rf tube
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Antennas : Indoor- Shortened antennas
- Drawings of shortened antenna for indoor usage, using short pvc tubes for 2 , 20 and 40 MHz by f1rfm
[ Hits: 6845 | Votes: 3 | Rating: 4 ]
- Soft copper Tube Loops
- Air conditioning soft copper tubes are perfect for loop construction. If you want to try a loop you must have an air variable capacitor or a vacuum variable capacitor. Article by PY1AHD
[ Hits: 822 | Votes: 0 | Rating: 0 ]
- Antenna for deed restricted lots
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- An effective 10-20m DX antenna for deed restricted lots.
The article by K7ZB introduces a simple 10-20m DX antenna suitable for deed-restricted lots. The antenna, a 15' vertical design, facilitated contacts with over 200 countries worldwide. Its design employs a telescopic aluminum tube and radial wires for multi-band operation, requiring an external antenna tuner for optimal performance. The mounting scheme and construction details ensure effectiveness and ease of use.
[ Hits: 56269 | Votes: 13 | Rating: 6.46 ]
- Shortened vertical antenna for 7 Mhz
- A simple drawing of a shortened antenna for 40 meters by using a PVC tube
[ Hits: 3218 | Votes: 2 | Rating: 4.5 ]
- Discovery Power Amplifiers
- The Discovery series of amplifiers are designed and built in the UK by Linear Amp UK Ltd, one of the world's leading amplifier manufacturers, specializing in high power RF tube amplifiers.
The amplifiers use large GS31 or GS35 ceramic triode tubes. Band coverage 6m, 2m and 70 cms
[ Hits: 3036 | Votes: 2 | Rating: 4 ]
- Max-Gain Systems, Inc.
- Fiberglass for the antenna builder, Antenna Mart quads, Bandmaster quads, transmitting components, vacuum capacitors and relays, tower accessories, gin poles, remote RF coax switches, rotating side mounts, quad spreaders, quad parts, bristol wrenches, doorknob capacitors, transmitting electron tubes, and much more!
[ Hits: 7427 | Votes: 9 | Rating: 6.72 ]
- HD Communications
- Rf Connectors,RF Amplifiers,RF Filters,HF cable and accesories. Tower hardware valves and tubes
[ Hits: 2262 | Votes: 9 | Rating: 8.44 ]
- AMTOR demonstration
- Youtube video by PR7VX using AMTOR to test performance
[ Hits: 549 | Votes: 0 | Rating: 0 ]
- Ameritron AL-811H tube selection
- This article examines the performance of the Ameritron AL-811H amplifier with the supplied 811A tubes and with 572B tubes, and details a procedure for replacement of existing tubes.
[ Hits: 1364 | Votes: 3 | Rating: 9.67 ]
- YouTube - Yaesu ft-950 and ft-2000 review
- Comparing two wonderful radios by S52ow
[ Hits: 3213 | Votes: 4 | Rating: 5 ]
- RF Parts
- Antennas, books, rf parts, tubes,connectors and cables and many accessories at RF parts.
[ Hits: 5687 | Votes: 12 | Rating: 5.92 ]
- Radiodan - W7RF
- BIRD RF power measuring, new and used, HENRY RF power amplifiers (used HF amps), TOHTSU coaxial relays, SAMLEX power supplies, RFI chokes reduce interference, Parts parts, tubes, Used amplifiers, radios, antennas and accessories, Los Angeles, CA.
[ Hits: 2068 | Votes: 3 | Rating: 10 ]
- QRO-Parts.com
- Svetlana tubes also Russian capacitors,vacuum and coaxial relay, for RF Power Linear Amplifier builders. Amateur-Radio, Broadcast. Full Online Catalog.
[ Hits: 1212 | Votes: 99 | Rating: 8.88 ]
- HL1INF RF Amplifiers
- Circuits, pictures and data about toroids, tubes and home made power amplifiers
[ Hits: 2430 | Votes: 1 | Rating: 10 ]
- TANKIT
- A free design aid for vacuum tube linear RF power amplifiers. Determine plate circuit operating parameters and design pi or pi-L tanks quickly and easily.
[ Hits: 1935 | Votes: 3 | Rating: 10 ]
- How to select a tube HF amplifier
- Excellent article and guide to choose the best RF power amplifier that fit your needs by ON4SKY
[ Hits: 714 | Votes: 1 | Rating: 10 ]
- HF Power Amplifier by CT1FMS
- An RF power Amplifier for HF bands with 3 GI-7B tubes by CT1FMS
[ Hits: 1661 | Votes: 4 | Rating: 6.25 ]
- 4-1000A Tube RF Amplifier
- Home Brew a 4-1000A RF power amplifier project by W4NFR
[ Hits: 685 | Votes: 0 | Rating: 0 ]
- Vacuum Tube Amps
- How the tube converts DC to RF Power
[ Hits: 1446 | Votes: 1 | Rating: 10 ]
- Power Gride Tubes
- Article on tubes and their usage in power amplifiers design. Explain failures of tube in RF power amplifiers, a common problem in the SB-220 SB-221, TL-922 and other amplifiers.
[ Hits: 1002 | Votes: 2 | Rating: 6.5 ]
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