Lw ferrite rod antenna. GE Superadio/external antenna.

Lw ferrite rod antenna 1 of 2 Very good! I have an LW/MW ferrite rod antenna with a tuning capacitor I use with my radios. 74 fortnightly and receive your order now. These antennas have always a bi directional receiving behaviour like a classical dipole antenna and also, an air coil antenna. Using windings around a ferrite core it is possible to receive much lower frequency signals than with a metallic antenna alone. L2: 310 uH, 65 turns on a 9/10mm ferrite rod OR LW 'loopstick' antenna also 'recycled' from an old transistor radio (both L2 and L3 are on the same ferrite core) L3: 4 mH, 550 turns on a 9/10mm ferrite rod OR MW 'loopstick' antenna scrapped from an old transistor radio The loopstick antenna coil is best wound on a bit of cardboard or plastic tube around the ferrite Portable & Desktop double-conversion receiver with FM-Stereo, Long Wave, Medium Wave, Short Wave, VHF Air-band. Other non- resonant ferrite loop antenna was described by participant with nickname 1428. Brand new · Unbranded. It worked well, all the way down to the 220 kHz airport beacons. 90. However, I tried using my LW induction antenna at home & it did get stations which it could not using the internal ferrite antenna on its own. Also there is also room for discussion for your Ferrite Rod design problems Ferrite Rod brings back nostalgic memories of childhood when it was shown to me inside our old transistor radio by none other than my father, who was neither I started playing with a ferrite rod antenna a couple of months before this post. The Loop Antenna will magnify the signal directly into the built-in Ferrite Rod antenna in your AM radio. Plugging a large amplified loop (MFJ 1886, works very well on MW) into the external antenna jack of either radio appears to have no effect on MW performance. Following a number of experiments with ferrite rod aerials, this article describes a highly directive type that covers the frequency range from 5,000 to about 8,300 kHz, spanning the popular 40 metres Stormwise used to sell plastic-encapsulated ferrite rods for long wave / medium wave use that were as long as 18 inches, for the same cost as their 12 inch model is priced now. Thread starter ka3jjz; Start date Jul 1, 2022; Status Not open for further replies. 53. radioddity. The antenna is effective for medium & long wave bands, but it is also used in shortwave bands for lower frequencies. 1; 2; Next. Our unit will go up to 384 pF. proceed to checkout medium wave (MW/AM) and longwave (LW) reception. But there are some larger FSL designs with the LW-MW coverage you desire, Jorge, If you wish to build a 5" FSL antenna using the same 125mm x 8mm ferrite Medium Wave Antenna. Ferrite rods are only useful for MW and LW reception. 5 V center pin Negative), AC input, External Antenna, Headphone/Speaker, Din audio In/Out. SCHEMATIC A New Hidden Feature – Switch From The Ferrite Rod to the Whip for AM and LW. Ferrite Rod Antenna in a Nanosatellite Medium and High Frequency Radio PetriKoskimaa School of Electrical Engineering Longwave LW 148. 55. This Tecsun ferrite rod antenna is the original accessory that comes with the Tecsun AN-48x. It's the same material as used for 125 kHz RFID applications. For upper SW band, you should choose RF ferrites with µr below 50 to reduce ferrite losses to an acceptable amount. Simple Ferrite Rod Antenna You can make a basic ferrite rod antenna by adding about 5000pf of capacitance to a standard long wave (LW) radio Posted by SWLing Post contributor Troy Riedel:. Qodosen SR-286 AM/LW/FM/SW High Performance Portable There are a few other radios available which use the TEF family of DSP chips but I don’t think any of them have built-in ferrite rods for AM/LW which is generally needed for indoor listening. Authentic replacement MW/LW ferrite antenna for the Tecsun PL-360, PL-365 and PL-368 radio receivers. There are on line calculators for capacitor and inductor resonance and they work perfectly for setting up a General Coverage Receiver ?Features?Adopt NXP TEF6686 vehicle chip, SNR ? 60dB, with ultra-high sensitivity and selectivity, in dealing with multipath and neighbouring channel interference and noise processing advantages, support for external antennas, built-in attenuator, low-noise amplifier, LW/MW with telescopic/ferrite rod antenna switching function, FM signal Link couple the large external loop antenna to the receiver's ferrite rod antenna. This calculator will find the value of the long wave (LW) radio coil required for building a ferrite rod antenna given the value of the variable capacitor. A ferrite rod antenna does not need to be grounded/earthed at all. There appears to be no pick up coil wound on the ferrite rod for LW which would result in the lack of reception on that band. These consist of a coil of wire on ferrite core (an iron based magnetic material) which is tuned to resonance at the frequency of interest. Here is where the ICF-2001 is unique. 5-283. Also how many turns do I need to make a ferrite bar antenna for the LW bands and whats the best wire for the ferrite bar antenna? Do I also need a longer ferrite rod instead of a short one? Adam E. High performance passive loop for use with Longwave portable radios with internal Ferrite Rod antennas. You can change how tightly the antennas are coupled by sliding the Right, let's stop all the guesswork and duff advice - the proof of the theory in one try! First pic - only a short ferrite rod, a turn of cardboard held in place with masking tape. £2. The inductance of the resulting antenna can be calculated based on the inner “core” material used in the rod, as well as the number of wrappings of wire. We don’t know why this type of Ferrite rod has very high Q when wind the coils for LW, MW and SW. All bands support external antennas, using an external antenna can make the DX-286's sensitivity even better. Both the CCrane Skywave 2 and Skywave SSB 2 already have external antenna jacks. 95 In Stock. However, you can select the whip antenna instead It also features unusually complete external antenna inputs including a special 1/8” jack on top for loop antennas (a rotating MW/LW ferrite rod is now included but there is also an internal ferrite rod), an SMA jack for a VHF/UHF/Air rubber Quality lw ferrite antenna with free worldwide shipping on AliExpress. Murphy ferrite rod, twin-coil MW/LW, LW coil O/C 0. Twitter. this is the quick and cheap way of securing the ferrite rod. title: final report on the ferrite antennas for very low frequencies, final report subject: final report on the ferrite antennas for very low frequencies, final report Here are some photos of my home-made ferrite antennas. Variable Capacitor Quad 4 Gang Air Spaced 550pF, 200pF, 200pF, Ferrite Rod Loopstick Antenna 8 Inch 202mm 9. 2007-04-02, 14:10. L2: 310 uH, 65 turns on a 9/10mm ferrite rod OR LW 'loopstick' antenna also 'recycled' from an old transistor radio (both L2 and L3 are on the same ferrite core) L3: 4 mH, 550 turns on a 9/10mm ferrite rod OR MW Because this is a compact radio the built-in ferrite rod is necessarily small and reception off the ferrite is consistent with the best radios of this sizeit rates *** in the AM Mega Shootout list. I have a rod with MW and LW coils each with a primary and secondary winding. Although the PL-360, PL-365 and PL-368 have a small, internal ferrite rod antenna, this larger external antenna will enhance reception significantly. This antenna has two LW subBands 150-200 and 200-280 kHz that switched by SA1 For giving to the loop the form of a square, it is possible to use a cable channel 12x12 mm. AM radios have managed this for many decades. interference. Listed on Oct 4, 2024 Murphy ferrite rod, twin-coil MW/LW, LW coil O/C 0. 73 QODOSEN DX-286 is an ultra-high sensitivity multi-band (FM/LW/MW/SW) portable radio, adopting TEF6686 DSP car radio chip, built-in AM band (LW/MW/SW) low-noise amplifier, the full-band supports external antenna reception and antenna attenuation, and the LW/MW supports switching between the external telescopic antenna and the built-in ferrite rod antenna. 3. The fact that this even gets asked here shows some serious holes in the RLT-SDR community's knowledge. 5, L = 100 The ferrite rod is a reasonably effective receiving antenna for LW, MW, and lower HF spectrum. I found a source for some 7. Moderator . A design like this would work extremely well in a crystal radio. 11) Refer to the photo below. MisterBill2. The ferrite rod was over wound with two pies of 600 turns and one each of 240 turns and 100 turns as shown in figure 1. radio. Just the coil packs. You can use it as a replacement or for your own DIY antenna View Add to Cart. 2022) for its MW/LW performance in I am interested in building or buying a receiving antenna for the LW/MW/SW reception and the MLA-30+ was looking like the prime candidate. Connectors. The D-808 does not work with an external longwire antenna for Long Wave. According to the seller, this ferrite bar antenna has a 10 – 25 db Longwave Loop Antennas for discerning LW DX Listeners. 50 turns of thin insulated copper wire and a tuning capacitor marked '435pf' from the junk box. Radio Parts. How will you be coupling to the antenna? There are various methods: Also how many turns do I need to make a ferrite bar antenna for the LW bands and whats the best wire for the ferrite bar antenna? Do I also need a longer ferrite rod instead of a short one? Adam E. M. 5-1606. 5mm x 50mm ferrite rods with an initial permeability of 2000u - ideal material for a ferrite antenna, but too short to be of practical use. Using an inductor choke as a receiving antenna for LW radio. A new Hidden feature, allowing you to switch from the internal ferrite rod to the whip for AM and LW has been discovered and it is very easy to use. They really work. Hot Network Questions What happens to the kinetic energy of the fusion products generated in the center of the Sun? 18 FERRITE LOOP AERIAL FOR THE 40 METRES BAND R. £4. I've successfully used all of these types to make MW radio antennas used in the breadboard transistor radio kit shown on another listing in my shop. For fun, I decided to build a large LW antenna (~35 turns of 0. This Stereos & Home Audio item is sold by UsefulComponents. A ferrite rod is the standard antenna supplied by the 60KHz WWVB receiver mfrs because it works really well. 6V Murphy ferrite rod, twin-coil MW/LW, LW coil S/C 1. When used with our AM variable capacitor, above, this AM core will the full AM band and down to about 310 KHz. As you can see in the image above, this antenna is substantially larger than the stock MW antenna supplied by the manufacturer. Symbols Footprints 3D Models. All Categories. GE Superadio/external antenna. Does an antenna have to be impedance matched to its transmitter circuit or the transmission line from it? 3. I want to share with you my latest ferrite antenna for listening; it is composed of 3 ferrites of 20 cm each in a tube for electrical systems with 2 separate windings, one for medium waves and one for short From longwave up through 160 meters I use ferrite loopstick antennas. Since variable capacitors are expensive to buy, and coils are always something we can build easily, it makes sense to have a calculator that helps us determine what the value of the coil should be for any particular variable capacitor. Giuseppe's latest homemade ferrite rod antenna for MW/HF . x. Its kind of a two part series where the first shows a prototype then the second video has more details and is wound with regular magnet wire instead of Litz wire. e. I agree, the ferrite rod assembly looks odd - the service manual (limited as it is) confirms that the ferrite aerial is used for MW and LW, but there's nothing on it that looks like a MW or LW winding. 2. 1V Home-wound 5 thoughts on “ The XHDATA D-808 and longwave: how to build an effective antenna ” Phil Ireland June 1, 2018 at 7:47 pm. About Julian - there's a permeability tuner for VHF - a sealed metal box bolted to the end of the main chassis. Ferrite Rod Antennas, or more generally solonoid antennas, consist of wrappings of insulated wire around some rod. 1985) receiver the ferrite rod is about 200 mm. 7mm Diameter $38. Ferrite Rod Antenna Coil PVC-224 Variable Capacitor Calculator for Medium Wave (MW) Radio Coil Calculator for Long Wave (LW) Radio Coil Calculator for Short Wave 4. Again a video of that will be upcoming. WhatsApp. I am planning on popping the hood for a look see, but have no idea what to expect inside. 26. Local/DX select. $74. (SNR) from VLF through HF. Why is a ferrite rod preferred to a whip? Three possible reasons: longwire antennas, rod antennas, Yagi antennas, whatever antennas, as long as they are antennas for radio waves, work with both So would I be better off with a frame loop antenna or a ferrite rod antenna? Tags: None. Key parameters for ferrite Ferrite Rod Antenna Coil PVC-224 Variable Capacitor Calculator for Medium Wave (MW) Radio Coil Calculator for Long Wave (LW) Radio Coil Calculator for Short Wave (SW) Radio Coil Variable Capacitor Calculator for MW Radio Coil This group is for everyone who loves to build and experiment with Ferrite Rod antennas for all broad ranges of frequencies. I would expect that any radio using one of these chips would have similar Looking at an Amazon listing, it appears that the Degen 31MS active antenna has three ways to connect to a radio. On the front side, it has "FU" stamp marked. 5mm external antenna socket for MW (AM) and LW on the top of the receiver. Thread starter Add a wire to the existing ferrite rod or add a whole other loop antenna that takes the place of the internal AM antenna. Therefore, the antenna operates at The material grade is intended for standard MW and LW radio use. By Gary DeBock, Puyallup, WA, USA, September 2018 There is no direct connection of the loop to the radio, it is inductively coupling with the radio’s own ferrite rod antenna. You can rotate the antenna 360 degrees without changing the The ferrite rod antenna picks up the magnetic field and works well at low frequencies. Resonance boosts the signal and helps make even a small ferrite rod very effective. A ferrite rod antenna needs to be tuned to your operating frequency, usually with a variable capacitor. I only hope I do not ever have to remove these The short 50x8mm ferrite antenna rod could be mounted on the top of the antenna PCB, using a plastic strap through the PCBs top screw hole. FSL antenna materials (especially multiple ferrite bars or rods) are relatively expensive in comparison to cheap wire antennas, so these antennas have always been relatively scarce. (existing RF-919 owners only)Radioddity: https://www. You could fix the PCB in the pipe the intrinsic permeability of the ferrite material ( i), the geometry of the ferrite rod and coil length (relative to the rod length) into a single factor. I'll be building the Litz wire version with two 10 X 200mm ferrite rods. Since the wire is so thin, it occupies very little space, and is therefore ideal for long wave (LW) coverage, because it requires a lot of wire. First up is to provide the rather large and The RF-1103 has a wonderful ferrite rod design, which is an ideal example if you are into making radios. They can also work at the low frequency end of the HF spectrum. 0″ diameter rods years ago to make a booster antenna. "The R40C1 Ferrite rod made by special formula. If you built the The medium wave (MW) ferrite coil antenna for this three transistor radio consists of a 12 cm long ferrite rod with diameter 10 mm. Wind a few turns around the ferrite rod in the receiver and wind a few turns around the large external loop antenna. Reference market : consumer / amateur-radio. Facebook. The antenna employs a shielded 12 inch ferrite rod that can be rotated and tilted to null-out Usual ferrite rod antennas or optimzed for the LW and MW band and using µr values of at least several 100, as you can see from the manufacturer catalogs. I tried this & will upload a video of the result soon. 50 turns corresponds well with that chart on my previous post. The McKay Dymek DA5 is high quality, directional antenna for the AM broadcast band (540-1600 kHz). Once most of the glue bonds have been broken the ferrite rod will begin to shift around as you break up the few remaining bonds, but until this point work slowly and patiently to break up the glue. You can use it as a replacement or for your own DIY antenna View Add to Authentic replacement MW/LW ferrite antenna for the Tecsun PL-360, PL-365 and PL-368 radio receivers. It is used in AM radios for medium and long wave reception and in RFID applications. Discontinued! Please check our Used List. Use this capacitor to tune your ferrite rod antenna. The Tecsun PL-360, PL-365 and PL-368 receivers have a 3. The antenna was used as non- resonant, without Ferrite Rod (Solonoid) Antenna Calculator. In an outdoor setting with minimal interference, reception is even better with a telescopic antenna or external antenna. long with a diameter of 10 mm. Simply take a standard LW radio coil and add ca. 5kHz(ITURegion1) <535kHz(LongwaveClubofAmerica) Mediumwave MW 526. MW Receiving Aerials fall into two groups: About this item 【Features】Adopt NXP TEF6686 vehicle chip, SNR ≥ 60dB, with ultra-high sensitivity and selectivity, in dealing with multipath and neighbouring channel interference and noise processing advantages, support for external antennas, built-in attenuator, low-noise amplifier, LW/MW with telescopic/ferrite rod antenna switching function, FM signal processing In this article, I am using 26 SWG single core copper wires, with 100 turns wound around a ferrite rod, to make a LW reception coil. cqham. The assembly consisted of 3 ferrite rods from Jaycar with about 12 turns for the tank circuit and 3 turns for the coax feed. Joined Jul 22, 2002 Messages 25,699 Location Bowie For MW receivers the integral aerials are almost universally ferrite rod aerials. 5 thoughts on “ The XHDATA D-808 and longwave: how to build an effective antenna ” Phil Ireland June 1, 2018 at 7:47 pm. The windings are over the full length of the Details - Coils. 167 views. The raison d’etre for the DX-286 is longwave. homebrew. 9V Home-wound 160mm ferrite rod (LW coil only) 1. If you have any experience winding coils or finding them join us here to talk about this subject with others. It also features unusually complete external antenna inputs including a special 1/8” jack on top for loop antennas (a rotating MW/LW ferrite rod is now included but there is also an internal ferrite rod), an SMA jack for a VHF/UHF/Air rubber duckie and a rear panel 1/8” jack for traditional external antennas. 1V Home-wound Damage was bad – the ferrite rod of the antenna was cracked in 3 pieces, one of the coils was dangling, having all its 3 wires snapped from the mounting post – only one left attached. The whip antenna measures 39 Anyway, a ferrite rod is usually a very bad transmitting antenna, so this is taking you nowhere, to be honest. Ø TG35 is an active loop antenna for SW/MW/LW reception. A tuned ferrite rod is used horizontal and will reduce noise and local interference that is mostly vertical polarization. Work slowly and carefully around the perimeter of the ferrite rod, including the plastic covers on each end. ka3jjz Wiki Admin Emeritus. com/pages/c Ferrite rod is used to lower the frequency response of the antenna. On this occasion, I had only the white wires left and they do not photograph well on a white background, therefore I chose this golden looking one. More to come on that. The Tecsun PL-360, PL-365 and PL-368 receivers have View Add to Cart Early antenna experimentation in our Ultralight Radio group was based on quite a few principles borrowed from the Crystal Radio community, especially relating to High-Q Litz wire coils. 11th Jun 2009, 12:18 am #2: paulsherwin. $16. FERRITE ROD AERIAL / ANTENNA BAR / MW LW LF RADIO NOS 3PC. The antenna rod is buffered with a JFET so there is minimal load on the antenna rod yielding another 12 to 18 dB. Capacitive Loop Antennas (for BCB-DXing) - Inquiry You can even build ferrite rod antennas, although the materials might be a bit tough to get in our current political climate. Share: Facebook; Twitter; Pinterest; Google+; Tunable LW/MW/AM Loop Antenna. Like for AM radio stations, which are generally using a frequency band around 1MHz, so 1 wavelength is 300 meters. More than a year ago. Discontinued! McKay Dymek DA7 LW/MW Antenna. Approximately 73-turns of this type of wire is required around a ferrite rod of diameter 10 mm to produce an inductance of approximately 300 µH. Connected the added windings on both antennas together with twisted wire pair. It is well known that a ferrite rod is much more effective than an air cored coil of the same dimensions. Raymond Haigh’s antenna shows a bit more gain, the ferrite antenna is made up of 7 pieces of ferrite rods 20 cm long and 1 cm in diameter. Q. Place the loop adjacent and perpendicular to the radio's ferrite rod after tuning to a weak station, then adjust the capacitor dial on the loop, and you should get a signal boost. An array of ferrite rods would receive more power if tuned and phased properly. If Ferrite Sleeve Loop (FSL) Antenna • 108 ferrite rods, each 160 mm long and 8 mm in diameter. Each coil has 4 wires coded Red, Green, Black, and copper. I love the features available on the PL-880, and was wondering any on here have added an external ferrite antenna, or would have ideas on how to do this on the 880. When I reviewed the updated Belka (gen3, 2022) for its MW/LW performance in October last year, I just wanted to know if it’s any The antennas used by MSF controlled clocks these days tend to be short ferrite rod antennas with a the sort of number of turns you would find on a LW coil but with a relatively large value film capacitor (FKP) strapped to it. 5mm Diameter MW LW AM Radio Coils From Philips All Transistor $19. 2 mm wire on a 50 inch x 50 inch wooden frame + tuning variable capacitor). by 13dka. Radioddity support link: https://www. On a PL-390 I wound 100 turns of enamelled wire onto the ferrite rod, and used the unused ‘ring’ connection on the antenna jack, other end of winding to local ground in the radio. In terms of performance & frequency response, it is compromised because of the losses in the ferrite core. That's interesting - usually it is accepted that ferrite rod antenna improves Q compared to air loop :) though I believe both may be true - ferrite core reduces High Noon: Belka MW shootout part 2, with a review of the AFA200C active MW ferrite antenna. This works wonders for NDB hunting with a longwire input, but if the PL-880 really does allow such tricks without me opening up and making modifications, so much The Tecsun PL-360, PL-365 and PL-368 receivers have a 3. As 1428 wrote, the antenna gives very good receiving on LW and MW bands. Since it’s sharply tuned it reduces receiver overload by reducing signals away from 60KHz. Although the PL-360, PL-365 and PL-368 have a small, internal ferrite rod antenna, this larger external antenna will enhance reception A tuned ferrite rod is used horizontal and will reduce noise and local interference that is mostly vertical polarization. The front end is pretty hot. Ferrite rod antennas are best for LW and AM broadcast bands. (On the low frequencies) Take a look at the "monster rods" that Stormwise sells. This is not to be confused with the several radios I have tested About this item 【Features】Adopt NXP TEF6686 vehicle chip, SNR ≥ 60dB, with ultra-high sensitivity and selectivity, in dealing with multipath and neighbouring channel interference and noise processing advantages, support for external 1. by Pavel Kraus. Telescoping FM/SW antenna with “FM collar” which sets a shorter length for best FM. How to match RF output of (30+j10) Ohms to 50 Ohm antenna with matching network? 2. Mediumwave Ferrite Antenna. If I connect antenna+cap to the circuit instead of ferrite rod + cap, I get a lot of noise. Join Date: Mar 2005; Posts: 40 #2. Telegram . To get your free Rod antenna please contact Raddy here. You can use this 80 millimetre long Wireless AN-200 If your radio has a ferrite MW antenna, the AN-200 loop can be used passively without a wire connection. Available in the following frequency ranges; 150-450kHz ( Order Code A-LOOP-LWT150-450 ) PDF; 155-500kHz ( Order Code A-LOOP-LWT155-500 ) PDF Ferrite Rod Antenna is ideal for portable applications as it is lightweight & smaller. This was well before the Ferrite Sleeve Loop (FSL) antennas I experiment with now. Unlike previous models (DE31MS, View Add to Cart. 2 m of White Solid Copper Core CAT5e UTP Wire Please! As a coincidence, I have parts on order for a similar ferrite antenna here. Some little bits of plastics also fell from inside. Join Date: Jun 2003 My car had a whip antenna on the roof which it used for FM, MW and even LW. Antenna was wound on a ferrite rod, it was Russian made ferrite rod marked as 3B1. it is a direction finder antenna. Sep 11, 2024 #10 Longwave Loop Antennas for discerning LW DX Listeners. Joined Dec 25, 2008 Messages 4,315 Location New Zealand. An antenna a couple hundred meters in size does work reasonable well. In AM or LW mode, Press and Hold for two seconds the Number 3 Key. Product Added to your Cart. 0V LW Performance (198kHz Droitwich) Original frame aerial (with original series inductor for LW) 0. AliExpress. LW, MW and 160- m Antennas . Signal improvement using a ferrite rod with a small loop antenna The primary coil of a ferrite rod antenna along with the tuning capacitor determines the resonant frequency and the secondary coil both couples signal to the radio and also affects impedance matching. A nice 3. Considering they are very easy to use, and give excellent results considering it's dimensions, it is one of my best bets for MW dxing everywhere. Shop910355400 Store. richard. The first is via a direct ANT jack, the second is via clips to existing wire (likely telescoping) antennas, and the third is some sort of ferrite bar coupler that you're mentioning. 4 of [Snelling]: A L = o rod A f l f A f is the cross sectional area of the rod, and l f its Ferrite Rod 6 Inch 151mm Unusual Thick 0. EN/ USD. I am building a Ferrite rod antenna for use with older valve radios that normally require a long wire antenna. 5kHz(Region1) 535kHz-1705kHz(Region2) Shortwave SW 1. K. or Best Offer. This equation to estimate the inductance factor is found in many places, including section 4. 89 inch ferrite rod wound with 139 wire turns and a small capacitor prewired to the coil, upper frequency limit is 60 This AM / LW loopstick antenna is for tuning between 100 KHz - 1710 KHz. Butter Dish in Stainless Steel, Easy to Clean. ANTENTOP- 01- 2013 # 017. rec. Installation of High Performance AM and LW Loopsticks. Related links: Ferrite E-core online calculator . How to match RF output of 30 Ω + j10 Ω to microstrip IFA antenna with matching network? 1. Jun 10, 2021; Replies 14 Views 2K 8” Ferrite Rod for AM/LW. majoco Stirrer. Most capacitors of this type go from 20 pF to 365 pF. See preview. 605-30MHz(Region1) Chuck FWIW here's mine PAR EF-SWL to 100' horizontal "L" at 40' up, grounded at antenna to ventpipe-grounded in shack at antenna switch to cold water supply (those give full quieting at MW/LW) plus recently added 40' vertical leg of rg59u that connects to PAR's ground lugs vie center lead only and terminates to building electrical svc conduit that goes Find many great new & used options and get the best deals for Tecsun PL365 Radio FM/AM/SW/LW DSP, SSB, Detachable AM Ferrite Rod Antenna at the best online prices at eBay! 6 Inch 153mm Long 8mm Diameter Ferrite Rod Loopstick Antenna with MW & LW Radio Coils UsefulComponents Star Seller Star Sellers have an outstanding track record for providing a great customer experience - they consistently earned 5-star reviews, dispatched orders on time, and replied quickly to any messages they received. From what I understand is that the ferrite rod works best at MW and LW frequencies and it takes precedence over the whip at those frequencies. (Other components : 3,5 mm jack plug, MW-LW switch, a lot of hot glue and The Ferrite rod antennas in AM radios and some short-wave radios with long wavelength bands do use the ferrite's high magnetic permeability to increase the magnetic flux passing through the windings "Ferrite antenna PVC-224 Variable Capacitor and Ferrite Coil Antenna. I used one of the 18″ X 1. I could tune it from about 160M to 40M with either 1 Longwave antennas for Tecsun radios. 90 P&P. (It also applies to the new PL-330). Check out this article which has lots of relevant links. ferrite rod antenna MW/LW Components and Circuits This Tecsun ferrite rod antenna is the original accessory that comes with the Tecsun AN-48x. pdf" by G3RBJ. Make 4 interest-free payments of $18. Verified purchase. Giuseppe's latest homemade ferrite rod antenna for MW/HF. LW and Mw bands support switching between telescopic antenna and internal ferrite bar antenna. Ferrite Magnetic Antennas by RN3DEK. Recieved with thanks A+. The document describes a ferrite rod antenna which uses a rod or bar made of ferrite material with a coil wound around it. The loop looks a bit flimsy though, compared to this design. The pies were wound in a criss-cross pattern to reduce capacitance between individual turns,and this formed a winding shape similar to that shown in the diagram. Repair The AN-48x runs on two AAA batteries (not included). Footprint Library - RF_Antenna The ferrite rod antenna does not work above 1620 kHz. Table Top / Portable Passive LW Loops. On the right side are connections for External DC (7. Join Date In the Philips D2935 (ca. Registered User. This is a (very) simplified version/approach of talking about the unique properties of ferrite materials, first de Please read the description/textbox first. Signal improvement using a ferrite rod with a small loop antenna it would just work great. ru Ferrite Magnetic Antenna for the MW. Ø Combined with a 3-foot telescopic antenna and a ferrite coupler unit, this antenna covers a wide frequency range from 30KHz to 30 Locked Ferrite Rod Loop for SW Aimo Unto Olavi RUOHO #4982 Hello, the Wise ones! about 13dB gain. They are very useful for locating the direction of the transmitter, i. This is the authentic ferrite rod antenna of the Tecsun PL-990 radio receiver. I just noticed something on eBay. I suspect that the final tuning is done by adjusting the coil position on the rod. This gives you a little extra room to center the band or tune just slightly lower. Design of the antenna is shown on the Figure 2. Also there is also room for discussion for your Ferrite Rod design problems This capacitor is useful for receiver and antenna tuning in the longwave, AM, and shortwave bands from 50 KHz to 10 MHz. 5mm Diameter Ferrite Rod Loopstick Antenna with MW & LW AM Radio Coils $16. A 5-20 turn coil around the main windings allows coax cable to be coupled. 5. However, the price was very cheap! I ordered 32 of them to experiment with. Tecsun PL-990 ferrite rod antenna. Ferrite Rod Aerial Loopstick Antenna MW LW Coils 50mm long x 16mm DIA BALUN (#332917031975) If you own a Tecsun PL-360, PL-365 or a CountyComm GP5/DSP or GP5/SSB, you might take note of this large ferrite bar antenna offered by a Greece-based seller on eBay. Alternatively you PRINTED WIRING BOARD LW FERRITE-ROD ANTENNA(303L) AM FERRITE-ROD ANTENNA(303) MAIN BOARD CLEAR CLEAR (303L) RF IN(+) RF IN(-) ANT 1 TUNE FM TELESCOPIC 303L ANTENNA 303L BPF1 LW ANT SP 1 SHIELD PLATE SPEAKER (303) TUNING AM IF AM OSC(303) Page 7: Schematic Diagram ICF-303/303L 4-2. HF / MW / LW Monitoring. Like Reply. The pictures show samples of the actual items. 5000pf in parallel to get resonance at 60 kHz. Pinterest. 10. Joined Jan 23, 2018 22,766. Ferrite Rod Bar Loopstick For Radio AntennaCrystal 10mm x 100/160/140 Ferrite rod antennas are used to make short receiving antennas when a normal (half wavelength size) antenna would just be too big. Download the AliExpress app. Built-in 360 degree rotable LW/MW ferrite rod antenna, analogue style S-meter, selectable IF bandwidth, IF output at 455 KHz. Raddy RF-919 NEW antenna. T300 Iron Powder Toroid Radio Inductor Core Amidon Micrometals Toroidal Coil Form T-300 $12. The coil has a tap for MW as well. what is C1, the fixed 1 microfarad capacitor, doing in the resonant circuit? Rewinding a Tecsun AN-100 MW antenna for LW application. It was manufactured by the DX Club of Brazil. US $ 13. Antenna Magnetic Rod Radio Ferrite Antenna Magnetic Rod Diameter 8x Long 50mm Round Magnetic Rod with Coil . The simplest ferrite rod antenna. amateur. Not much wire or space is needed, and a good ferrite loopstick will pull in signals better than a large wire antenna anyday of the week. You can use it as a Footprint Description Abracon_APAES868R8060C16-TAbracon RHCP ceramic patch antenna 854-882Mhz, 5dBi Coilcraft_MA5532-AE_RFIDRFID Transponder Coil Johanson_24 KiCad Libraries. Ferrite rod antenna. Machine-wound honeycomb-formed pies would have been better had Many thanks to SWLing Post contributor, Giuseppe Morlè (IZ0GZW), who writes: Dear friends, I’m Giuseppe Morlè from Formia, central Italy on the Tyrrhenian Sea. Also there is also room for discussion for your Ferrite Rod design problems The DX-286 covers LW from 144 – 519 kHz, and the R-108 has a more limited 150-450. Measuring the winding resistance I have the following results: Ferrite rod antenna for DCF77 simulator. The calculator is based on the article "The-Inductance-of-Ferrite-Rod-Antennas-issue-3. It is incredible how it enhances any radio that has a bult-in ferrite antenna. Raddy RF919 T-shape Ferrite Antenna is a bi-directional loop antenna for listening to LW and MW bands. But as you say, the bandwidth is narrow with a high Q coil, so I'm using a switch to short a couple turns on the antenna rod to load the antenna for local strong stations. Ships from United Kingdom. Ferrite rods make poor antennas, but they are small and directional and at LW and MW they are good enough because signal levels and noise levels are high. 75" Inch 18. The winding of the litz wire on the ferrite rod is part of the tank circuit of the receiver at lower frequencies. At the top you use a clip or suction cup (supplied) for mounting the Tunable LW/MW/AM Loop Antenna. 59V Home-wound 160mm ferrite rod (MW coil + series non-receiving inductor) 1. The antennas useful for MW/LW reception, are ferrite rod antennas. . I see the same lack of effect with the external antenna jack on the XHDATA D109-WB. A 16" ferrite rod antenna is massive compared to stock ferrite antennas inside radios and it really brings in weak signals and nulls very sharply when rotated. Marris G2BZQ The ferrite rod aerial is typically associated with MW/LW radios, but it can be used on HF as well. 5 mH LW coil and 300 uH MW coil on 12 mm dia x 200 mm long ferrite rod. Credit Line: www. The default values are for the coverage of The best process for checking the efficiency and resonance of your ferrite rod RX antenna using a NanoVNA would be to connect the NanoVNA's output port to the antenna's However, the small loop antenna which was made by me was not working properly but when I connected a ferrite rod loop (which has two windings on it---one with 60 turns and HF / MW / LW Monitoring. Good transmitting antennas usually have to be in the size order of magnitude of the wavelength; for f=77 kHz, that's \$\frac{c_0}{f}\approx 4\,\text{km}\$. Facebook Comments (2) Comments #1 Tony 2024-11-26 12:30 Ferrite Rod Aerial Loopstick Antenna MW LW Coils 50mm long x 16mm DIA BALUN (#332917031975) t***t (767) - Feedback left by buyer. MW DXing and Broadcasting - The RadioReference Wiki Buy ferrite rod products and get the best deals at the lowest prices on eBay! Great Savings & Free Delivery / Collection on many items Ferrite Rod Aerial Loopstick Antenna MW LW Coils 50mm long x 16mm DIA BALUN. 00. Even MW doesn't work well, but I can tune to stations. By Yuriy Skutelis, RN3DEK. the best for portable shortwave radios and will also produce very good results by amplifying the signal received by the ferrite rod plug in antenna. The PVC-224 is a 224 pF variable capacitor for AM radio projects. This group is for everyone who loves to build and experiment with Ferrite Rod antennas for all broad ranges of frequencies. Is it even worth attempting an antenna This capacitor is useful for receiver and antenna tuning in the longwave, AM, and shortwave bands from 50 KHz to 10 MHz. That's what I use indoor to listen to LW/MW/SW broadcast But some kind of small loop antenna is probably the way to go, or maybe a ferrite rod antenna as was/is used in handheld AM radios. Seller “playloudfm” based in Greece (100% feedback rating), the first to offer the high gain external ferrite antenna for the Tecsun PL-360/PL-365/County Comm GP5, has a new offering: From the seller’s listing: – Frequency: 530Khz – 1710Khz – Tunable Radiation resistance will be small and vary with frequency. S-2000 specifications This calculator will find the value of the medium wave (MW) radio coil required for building a ferrite rod antenna given the value of the variable capacitor. 6 Inch 153mm Long 8mm Diameter Ferrite Rod Loopstick Antenna with MW & LW Radio Coils $16. Place the PCB+50mm rod into a 60mm PVC pipe. I use it My eventual goal is to use this antenna in a DIY MW/LW receiver project, with the TA 7642 AM radio IC. Conversations. com/pag 6 Inch 150mm Long 9. I would like to throw these parameters into the spreadsheet/program, and let the software calculate the inductance for Details - Coils. Available in the following Advice on creating MW/LW regenerator receiver with BJTs and rod antenna . This tuning range is with the To enhance MW-LW reception I made an external ferrite antenna with 2. Internal aerials of any type were not universal in British radios until the very end of the valve era, and were always more HF / MW / LW Monitoring. These were ex-Soviet surplus, obtained from an eBay seller, which are unfortunately This tunes from 149 to 850 kHz, covering the entire LW broadcast band, NDB band and a good chunk of the MW band. position on the ferrite rod, number of turns, and permeability of the ferrite material itself. As technology has improved, we have made more use of high frequencies and so the ferrite core antenna is not necessary, but for picking up signals Ferrite rod antennas are best for LW and AM broadcast bands. As you can see, this one has coil windings for the medium wave (MW) band, and long wave (LW) band. Both antennas work similarly, Quantum Loop has a shielded ferrite rod, it is less susceptible to elmg. Some analog radios use ferrite rods for the SW 1 bands and SW2 without one. 71. The best coil that works and I use is the wire from CAT5e cable. Although it contains the usual built-in ferrite rod antenna for AM and LW it also uses the whip antenna simultaneously on these bands. No radio I own picks up LW with its internal ferrite rod antenna and that includes the DX-286; however, the DX-286 does pick up LW stations with the telescopic antenna and none of the others do. 0. Hi, I’ve seen a few photos of the internals of both the 1780 and D-808. More info. Ferrite loop antenna for LW/MW band. Welcome Sign in / Register. Approximate Dimensions (mm) Flatted Rod FRod 100mm: D1 = 10, D2 = 9. The antenna itself, like its predecessors, is a loop of wire and a telescoping rod which holds in in its correct shape. Receive Antennas (below 30MHz) . com/pages/c This group is for everyone who loves to build and experiment with Ferrite Rod antennas for all broad ranges of frequencies. Discontinued Antennas : Larger View | Rear Panel View. $8. Yeah, that worries me why the National Ekco radio sets mainly model A731 and A730 both in 1959-60 did not contain ferrite rod antenna inside. tnta vzevv sizl qaiiem juqnbuj shp qwxcua fysb obrgrw lpiplsrc