Yaesu 817ND with LDG z817 Tuner that’s NOT working correctly.
Measurements made at the input and output of an antenna tuner at 20 meters. The antenna in this video is the G5RV Jr (short version) that is cut for 40 meters and up. I find the Wikipedia description a very good one on “Antenna Tuner”.
TMO's Mac & iOS Black Friday Guide
Elgato is offering $ 50 off the eyetv HD, a high definition video recorder for component video for your Mac, and the eyetv hybrid, a TV tuner stick for HDTV and analog TV for your Mac portable. The eyetv HD is $ 149.95 with the discount, while eyetv …
Read more on The Mac Observer
Humax Freesat freetime: Fixing broken TV
And all the regular Freesat programmes are there if you dish/antenna set up confirms to regulations. Remote. The main feature of the box is it's recording functions and dual-tuner Freesat PVR is easy to use. It's also quite clever in the way it groups …
Read more on LatestGadgets
Antenna Tuner MFJ 941 C Follow us at www.twitter.com See Appalachia where N4USA is located www.floydfolks.org http 1-540-808-2880 All about Voltage Standing Wave Ratio SWR – en.wikipedia.org All the Tuner theory you want to know – en.wikipedia.org MFJ Wikipedia en.wikipedia.org Subscribe to my Channel – www.youtube.com How to use an antenna tuner www.hamuniverse.com David started at age 8 building Using or teaching about electronic devices – that was 65 years ago. It started with a crystal radio then ham license at 14 yrs tinyurl.com , Navy electronics at 17ys , Field Engineer at 21yrs tinyurl.com , teaching ‘Electronics for Scientist’ at Virginia Tech at 29yrs , Director of ‘Foundation for Amateur International Radio Service’ (FAIRS) at 52 yrs and at 73 he is still busy with electronics. Collector of historical Microcomputers tinyurl.com & along the way David has small collection of tuners. This tuner minimizes the VSWR between the transmitter & the tuner- it does not reduce or change the VSWR in the feed line to the antenna, that is done by matching the feed line impedance at the antenna end of feed line. Many antennas have a matching network to couple the feed line to the antenna. A poor antenna & feed line is not improved with the tuner only power transfer is maximized – this works for receive and transmit – using impedance matching is always useful for maximum power transfer. Video produced by the LCF Group, LCF Group consist of David Larsen KK4WW, Gaynell Larsen …
icom 2200h, yaesu 757 gx, mfj923 antenna tuner uhf/vhf, alan 2000 antenna matcher box, and others
Video Rating: 0 / 5
Realizzazione casalinga di un Accordatore di Antenna per HF, realizzato con l’ausilio di materiale recuperato ea costo quasi zero.
A COLLECTION OF MURA SWR/ANTENNA TUNER METERS VINTAGE NEW OLD STOCK. ———— VERY RARE ————-
Video Rating: 0 / 5
The making of my single element Delta Loop antenna. Designed for 11m but can be used on 10 which is what I built it for originally but it works on 20m and even down to 80m although obviously a good antenna tuner is required. Ideal for short spaces. I was going to build this for 20m but the length of the rods would have made it dearer than I wanted to pay. This project was to come in under budget at £25. Full build details on www.open-channel.co.uk
Video Rating: 5 / 5
Video Rating: 5 / 5
Showcasing the classic Yaesu FT-840. A great radio which many wish Yaesu still manufactured.
Video Rating: 3 / 5
icom ic 7000 TV LCD 7″ dvb tuner rtty decoder
First experiment with an arduino and a servo with a variable capacitor connected to a Tp-Link Ps310U through ethernet. Power on Ethernet. Fast and fine manual tuning with a Griffin Powermate. It work very well! Also mouse wheel work. Pc software writed with AutoHotKey
Video Rating: 5 / 5
ATSC Centronics antenna tuner installed! Connected via the componant ports. Set can display in 1080i when a 1080i signal is present. Works great and I show the main features of the antenna tuner. The HD on the Sony Trinitron is fantastic. Free TV is back baby!! I’m approximate 20 miles from most of the transmitter towers. The stonger staions work verywell at night. Lets say after 7:00 PM. In the late afternoon, I get pixallation and drop outs. I think perhaps due to cars going by
Video Rating: 5 / 5
First test with Arduino tuner. The Lock button on FT817 is used to tune the capacitor. On 20 and 40 meters (actually) there is a fast tuning function. On different frequencies all the capacitors course are analyzed to find better SWR. Arduino is used to drive the servo,read frequency,swr and lock command from FT817 and set FM mode for tuning.At the end of tuning procedure Arduino set again LSB or USB depending the frequency. Based on Alain De Carolis project (alain.it)
This is a new Palstar AT2K tuner that I purchased, and I hope for it to be the last antenna tuner I ever buy. So far it’s living up to that reputation flawlessly. The construction is top notch, the level of attention to detail that Palstar has put into this tuner is stellar, and I wouldn’t hesitate to recommend this tuner to anybody, even with the most demanding antenna tuner needs.
This is version 2 of my demo for an arduino antenna tuner. In this version I swapped the coil with a new, somewhat larger one, which has an extra connection about halfway. Using a relay (controlled by the Arduino) the inductance can be switched between half and full. In each position, the capacitor makes a full sweep, while the Arduino monitors the reflection (watch the right meter in the back!). After this, it puts the inductor and capacitor in the position with the lowest SWR. This demo is quite slow, I experimented with different speeds and was able to let it tune within 2 seconds! Details, pictures, schema and code: ernest.utreg.net
Video Rating: 5 / 5
Small demonstration of my QRP setup.
Video Rating: 5 / 5
Ok, this is just a concept, I just wanted to show how the Arduino could be useful for radio amateurs. The SWR meter (in the back) is hooked up to the Arduino, also a servo is attached which drives a capacitor. This capacitor forms a simple L-tuner, together with an inductor which you can’t see on this video. The Arduino does a full sweep on the capacitor while measuring the SWR. It stores the position with the lowest SWR and after the sweep it rotates the capacitor to that position. Mind the SWR meter (right needle) while the capacitor is rotating! Details, pictures, schema and code: ernest.utreg.net
www.hamradiofinds.com Here is a video showing the JW MIller AT-2500 HF Ham Radio Automatic Antenna Tuner..This tuner covers 80-10 meters & will handle 2Kw+ of power..It has one input & 5 outputs, including one long wire connection..It runs on 110VAC, but can be switched to run on 220VAC..The tank circuit is well constucted using heavy duty parts..This would make a great addition to any HF ham radio shack..Thanks for watching..73s, Mel, WA5UTK
Video Rating: 4 / 5
Watch HD ATSC/QAM TV on Your HDMI/DVI/VGA Monitors! You are not only converting your LCD monitor into a TV, but also, a digital photo frame. If this TVBox is brought home for entertaining your children, it is equipped with Parental Control Function.
List Price: $ 154.88
Price: [wpramaprice asin=”B002RL8I2W”]
[wpramareviews asin=”B002RL8I2W”]
[wprebay kw=”antenna+tuner” num=”10″ ebcat=”-1″] [wprebay kw=”antenna+tuner” num=”11″ ebcat=”-1″]
Pure, con Highway 300Di la vecchia autoradio diventa una console digitale
Highway 300Di è dotata di un doppio tuner (ricevitore): mentre uno è sintonizzato sulla radio in ascolto, l'altro aggiorna dinamicamente la lista delle stazioni radio digitali presenti nella zona, eliminando dalla lista quelle non più ricevibili nel …
Read more on Megamodo
Tutti gli articoli con tag pure highway 300Di
Il sistema è molto semplice: un'unità centrale, un display con comandi integrati ed un'antenna esterna compongono il kit che è installabile su tutte la autoradio. Il sistema deve però essere montato da un installatore che, oltre a cablare l'auto, …
Read more on Gadgetblog (Blog)
Highway 300di, Pure trasforma l'autoradio in un ricevitore digitale …
Highway 300Di è dotata di un doppio tuner (ricevitore): mentre uno è sintonizzato sulla radio in ascolto, l'altro aggiorna dinamicamente la lista delle stazioni radio digitali presenti nella zona, eliminando dalla lista quelle non più ricevibili nel …
Read more on Macity
KELLNER: Improving the TV-to-computer connection
What I did get, versus an over-the-air antenna, was quite a bit more: Broadcast channels from Washington and Baltimore, their HD “extra” channels, certain public-affairs and local-government-related channels (some of which can cure the most persistent …
Read more on Washington Times
LCD-, LED-, plazmatelevízió
Most már általában mindegyik tévében van DVB-T vagy DVB-C tuner, ugyanis ezt a két standardot alkalmazzák Európában. A MPEG–4 tuner, amit Szerbiában terveznek bevezetni, jelenleg még nincs beépítve az új tévékben. Ezt a technológiát egész Európában …
Read more on Magyar Szó
LG DM2350D: Recensione
LG Cinema3D DM2350D ha caratteristiche tecniche simili a un normale monitor per PC di ultima generazione, formato 16:9, 23 pollici di diagonale, risoluzione 1920×1080, un tempo di risposta di 5ms, tuner digitale terreste con supporto ai canali HD, …
Read more on Paperblog
238C antenna tuner Ten-Tec HF Recorded @ uStream.Tv
This is a troubleshooting video, I have an FT-450AT displaying a really strange issue. If you know what’s causing it, leave a message in the comments! Thanks!
A demonstration of the Emtech ZM-2 Z Match antenna tuner tuning a short end-fed wire on 20m, 40m and 80m.
Yaesu FT-450D Deluxe HF All-mode Amateur Band Transceiver with built-in DSP signal processing.
* Features include CW beacon function, 500 memories , ctcss, & Built-in Automatic Antenna Tuner.
* Output is 100W CW-FM-SSB, & 25W AM carrier.
* Includes hand microphone.
* Receives 0.30 – 54Mhz, Transmits on the Amateur radio bands between 6-160 Meters.
* Requires 12 – 13.8Vdc at 22 Amps minimum for power hookup. Use an Optional regulated 13.8Vdc 25A or 30A Power supply for Home
List Price: $ 1,095.00
Price: [wpramaprice asin=”B004SHVZBO”]
[wpramareviews asin=”B004SHVZBO”]
[wprebay kw=”antenna+tuner” num=”8″ ebcat=”-1″] [wprebay kw=”antenna+tuner” num=”9″ ebcat=”-1″]
Find More Antenna Tuner Products
The L-network 238B antenna tuner, vs. T or Pi network tuners
Video Rating: 4 / 5
Nokia 801T: Symbian per la Cina con dual mode, NFC e TV Tuner
Nell'immagine, infatti, è possibile notare anche un'antenna estraibile per ricevere, appunto, il segnale televisivo. Il design è ben curato, cosi come i materiali utilizzati per la costruzione: il corpo è interamente in alluminio, che dona una certa …
Read more on Cellulari.it
Jaguar XJ by Startech
L'ammiraglia della Casa inglese dopo l'incontro con il tuner tedesco si presenta come una berlina sportiva dotata di molti gadget tecnologici. Il tuner tedesco Startech ha presentato il suo ultimo lavoro dedicato all'ammiraglia Jaguar XJ: si tratta di …
Read more on Motori.it
DVB-T és az RTL
Vettem egy médialejátszót ami DVB-T tuner is (olyan olcsó volt hogy gyakorlatilag kiraboltam a kék gazdaságost), mindent kezel, szóval nem bántam meg. Egy baja van, mig nem kötök rá antennát addig minden indulásnál egy varázsló idegesití a felhasználót …
Read more on PC Fórum
LG Innotek Selects Fresco for 2012 Tuner Products
TORONTO, Dec 20, 2011 (MARKETWIRE via COMTEX) — Fresco Microchip Inc., a developer of leading-edge RF, mixed-signal, and digital signal processing integrated circuits (ICs), today announced that LG Innotek (LGIT), a global leader in the design and …
Read more on MarketWatch (press release)
Cantor Fitzgerald Analysts Now Covering Ceva Inc (CEVA) Stock
CEVA licenses a portfolio of digital signal processor (DSP) cores, subsystems and platforms to semiconductor and original equipment manufacturer (OEM) companies worldwide, which include a family of programmable DSP cores, DSP-based subsystems and a …
Read more on LocalizedUSA
MFJ-969 300W P.E.P Roller-Inductor All-Mode Tuner
Features Built-in Dummy Load, Antenna Switch, Built in 4:1 Balun, bypass & More!
Meter illumination requires optional 12Vdc.
List Price: $ 219.98
Price: [wpramaprice asin=”B0053ZDGMQ”]
[wpramareviews asin=”B0053ZDGMQ”]
More HF Antenna Products
Some cool Antenna tuner images:
Zippos Radios
Image by KN6KS
Video Rating: 5 / 5
WinTV-Aero-m is an external USB2 TV Tuner for PC laptops or netbooks. WinTV-Aero-m is dual band technology and can receive both ATSC digital TV signals and the new ATSC M/H mobile TV signals, over the air. Live TV received by WinTV-Aero-m can be watched in a window, so you can work on your laptop or netbook while watching uninterrupted live TV. Simply plug WinTV-Aero-m into the USB port on a Windows based laptop or netbook, extend the antenna, and scan for over-the-air TV channels being broadcas
List Price: $ 79.99
Price: [wpramaprice asin=”B00519EIAS”]
[wpramareviews asin=”B00519EIAS”]
[wprebay kw=”antenna+tuner” num=”6″ ebcat=”-1″] [wprebay kw=”antenna+tuner” num=”7″ ebcat=”-1″]
U.S. Patents Awarded to Inventors in Maryland (Nov. 16)
At least a first tuner of the plurality of tuners is operatively coupled to a radio frequency transmitter of the set top box. The radio frequency transmitter is configured to utilize an antenna to communicate a radio frequency signal for wirelessly …
Read more on Targeted News Service (subscription)
Pure launches second-generation in-car digital radio adapter
The original Highway relied on a simple wire antenna that was designed to be attached to the inside surface of the windscreen but the 300Di has a robust external aerial, which should greatly enhance reception. The 300Di is permanently installed in the …
Read more on The Independent
Homebrew antenna tuner project for HF. The roller controlled by the switches in the black box with limit switch.73′ de ik6bgj,Justin
Video Rating: 2 / 5
Video Rating: 0 / 5
New Palstar HF-AUTO Automatic Antenna Tuner. New HF-AUTO will have some of the following specs that supercedes the already complex design of the AT-AUTO with new and innovative design improvements. The HF-AUTO will function fast and flawlessly with ANY transmitter without plodding through menus and cables, that in most cases will not work with other accessories. Specifications: – 1 Watt to 2500 watts….average, peak, and peak-hold – Load into a 10:1 SWR from 1.8 to 54 Mhz – NO CI-V cables required – Tunes on SSB – Digital Display…no analog metering – Remotable… up to 400′!
N7TFP reviews the Palstar AT2K Antenna Tuner.
Video Rating: 5 / 5
A few nice Antenna tuner images I found:
Roller Inductor
Image by LostBob Photos
Continuously variable roller inductor. It’s a Barker & Williamson model 3852. 0 – 15 µH. used in Collins Radio Transmitters and Antenna Tuners. It needs a new home.
Roller Inductor
Image by LostBob Photos
Continuously variable roller inductor. It’s a Barker & Williamson model 3852. 0 – 15 µH. used in Collins Radio Transmitters and Antenna Tuners. It needs a new home.
HDTV and Home Theater Podcast – Podcast #504: New ways to watch TV
Boxee Box owners will soon be able to watch live television through the device using a special USB tuner dongle for free over-the-air HD TV signals. Boxee is taking us full circle, Boxee and an Antenna coule be all you need. The Boxee model is unique. …
Read more on HDTV Magazine
Humax HDR-7500T digital set-top box and PVR (500GB)
There are two digital tuners in the HDR-7500T that allow you to record up to two services at once, and this allowed us to record four shows at a time. If that sounds confusing, maybe it's because it sort of is. Each tuner can record two shows as long …
Read more on PC World Magazine
Reduces stress on transmitter, prolonging the life of your radio. Maximizes transmitted signal strength by reducing reflected power, resulting in longer range. Can be used with or without a linear amplifier. Will handle up to 1,000 watts peak power without signal degradation. Insertion loss of less than 1/4 watt. Does not need additional ground wires. Compatible with any antenna system – single or dual antennas.
List Price: $ 44.99
Price: [wpramaprice asin=”B005ALCX72″]
[wpramareviews asin=”B005ALCX72″]
[wprebay kw=”antenna+tuner” num=”2″ ebcat=”-1″] [wprebay kw=”antenna+tuner” num=”3″ ebcat=”-1″]
Find More Antenna Tuner Products
The L-network 238B antenna tuner, vs. T or Pi network tuners
Video Rating: 4 / 5
This is a big random wire antenna tuner for amateur radio.
Video Rating: 5 / 5
The DAIWA Model CNW-518 is rated @ 2.5 kW RF PEP output for the Ham Bands of 3.5 to 30 mHz. This antenna tuner has be modified to include some of the out of band frequency in the upper bands from 20 meters to 10 meters. This mode was probably made for MARS operation. This mode does not include 11 meters. This video clip shows tuning the tuner into a Cushcraft R5 vertical antenna (20 to 10 meters coverage) The RF is being supplied by an Yaesu FT-890 Transceiver.
Video Rating: 5 / 5
Here is a creation built by Dave – VO1TTU nearly 10years ago, and it works just as good today as the day the tuner was built.
Video Rating: 5 / 5
Video Review of a Palstar AT2K Antenna Tuner Tuner Details: Max Rated Power Handling – 2kW Designed for 160-6m Feature two variable capacitors and a roller inductor Relay controlled inductor for extra inductance on 160m Two coax outputs plus balanced line output and long wire output Various active power meter adjustments Check out the eHam reviews… www.eham.net
Video Rating: 4 / 5
Antenna tuners that were built by Dave – vo1dv
Video Rating: 5 / 5
HF Radio Antenna Tuner matcher for HF frequencies between 1.8-60Mhz.
* Requires Optional Patch cable with PL-259 connectors for hookup to transceiver.
* Features Cross-needle SWR/Power meter ( 300W & 30W scales), meter illuminates if hooked up to 12Vdc.
* 300W max input. SO-239 input for antenna. With instructions.
List Price: $ 124.95
Price: [wpramaprice asin=”B004EK7EG0″]
[wpramareviews asin=”B004EK7EG0″]
The Sherwood RX-4109 receiver is designed and built in-house with the same quality and attention to detail we have been bringing to our audio gear for the last 50 years.
List Price: $ 179.95
Price: [wpramaprice asin=”B000MBUSD6″]
[wpramareviews asin=”B000MBUSD6″]
A few nice Antenna tuner images I found:
Inductors and Capacitors
Image by ab9kt
I could make one heck of an antenna tuner!
The MFJ-941E is designed to match virtually any transmitter to antenna, including dipoles, inverted vees, verticals, mobile whips, beams, radom wires, and others fed by coax lines, balanced lines or a single wire. An eight-position antenna-selector switch provides versatile antenna selection. The MFJ-941D will handle up to 300 watts of transmitter RF output power. The MFJ-941 employs a cross-needle meter so forward power, reflected power and SWR may be read simultaneously. This tuner is in “MINT” condition. The tuner is very clean both inside and outside it’s cabinet. The cabinet has be taken down to bare metal and repainted with RUST-OLEUM “Hammered” finish. All of the position “dent” switches have been sprayed with DeoxIT D5. This spray is very popular and rejuvenates, lubricates and protects electronics. DeoxIT states more than a Contact Cleaner and chemically improves electronic connections. All of the tuner’s components have been tighten and re soldered (as to need) to restore as of just leaving the factory. The tuner shows no appearance of any burnt conditions from any type of arcing either RF output or lightning. The meter lamp can be powered by a 12 Vdc source. Use a 2.1 coaxial plug with the center conductor of the plug connected to the positive and the sleeve connected to ground. Please note: This cable and plug has been constructed and will come with the tuner. The Meter Lamp ON/OFF switch will activate the meter lamp. The MFJ-941E utilizes a cross-needle meter …
Video Rating: 5 / 5
SiriusXM Launches 2.0 Service, Tuner
The car docking kit includes magnet-mount antenna and dock that turns a vehicle's electrical wiring into an antenna that re-transmits the satellite programs to a vehicle's FM tuner. Channels are broadcast over the company's XM satellites. …
Read more on Twice
Drew Edwards: Who knew grandpa's rabbit ears could offer high-def happiness
All you need is an antenna — your grandpa's rabbit ears will do — and a digital tuner if you have an older TV. They can be had for between $ 50 and $ 100. No way, I figured. Too good to be true. Reluctant to invest anything resembling real money, …
Read more on Waterloo Record
Elgato HDHomeRun Network Dual Tuner
The HDHomeRun is a tiny box that connects to one's cable or antenna, and then connects to one's router. With the Windows 7 and Mac software, a user can stream digital television, and record TV shows, at the same time in full HD. …
Read more on Coolest Gadgets
