Search Results for "amplifier"619 links - and 19 categories
Antennas : Windom
- OH7SV Matti Hohtola Ham Projects
- The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO,
50 ohm to 200 ohm HF wide band transformers,
Wilkinson splitter for RX measurements,
Windom baluns 2001/2004,
Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver
[ Hits: 19341 | Votes: 28 | Rating: 7.90 ]
- Leitner Elettronica
- RF Amplifiers for HF VHF UHF
[ Hits: 7760 | Votes: 12 | Rating: 8.76 ]
- WD7S Productions
- A collection of kits for control and protection of homebrew linear amplifiers
[ Hits: 9623 | Votes: 10 | Rating: 8.20 ]
- Empower RF Systems
- We offer a large selection of standard and custom High Power RF and Microwave amplifiers for broadband, general communication, matched band, and personal communication markets.
[ Hits: 2829 | Votes: 3 | Rating: 8.33 ]
- How to select an amplifier
- Thierry LOMBRY, ON4SKY, develops in three long articles all you need to know about amplification, and how to seletc an HF and a solid-state amplifier, with pictures.
[ Hits: 5231 | Votes: 5 | Rating: 6.40 ]
- The Quack Shack CB Shop
- CB Radio and Ham Radio outlet. Accessories, amplifiers, mounting brackets, power supplies, GMRS, FRS, scanners, microphones,and more
[ Hits: 4711 | Votes: 496 | Rating: 7.96 ]
- QRO via Russia
- Power amplifiers from amateur radio operators around the world which are designed/built using Russian tubes.
[ Hits: 8300 | Votes: 8 | Rating: 6.25 ]
- 11Meter Amps
- This group is here to discuss linear amplifiers used on the 11 meter citizens band.
[ Hits: 22807 | Votes: 20 | Rating: 6.64 ]
- Tube Amplifier data and tech info
- Source of common model manuals and amateur help on amplifier problems for the amateur bands, Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement.
[ Hits: 4598 | Votes: 0 | Rating: 0.00 ]
- SP5GJN - HF Power Amplifiers
- HF home meade power amplifiers by SP5GJN
[ Hits: 25522 | Votes: 27 | Rating: 6.37 ]
- MOSFET amplifier for 80 mt.
- Picture index of 150W MOSFET linear amplifier for 80m 1996, includes photos and schematics
[ Hits: 17447 | Votes: 21 | Rating: 4.67 ]
- W7IUV HF Preamplifier
- Schematic and pictures of a W7IUV preamplifier
[ Hits: 2488 | Votes: 2 | Rating: 1.00 ]
- 2m Band VHF antenna pre-amplifier
- Homebrew pre-amp for 144-146 MHz amateur band and OSCAR Satellites, using BF981
Dual-gate MosFet. Gain ~15 dB, NF=1dB.
[ Hits: 11703 | Votes: 94 | Rating: 8.59 ]
- VHF UHF preamp
- ON6MU project for a vhf uhf preamplifier
[ Hits: 13361 | Votes: 20 | Rating: 3.70 ]
- 144 MHz preamplifier with BF981
- Design of a preamplifier for 144 MHz with 1 dB NF and 23 dB gain using BF981. This amplifier is using a low cost silicon MOSFET (BF981 from Philips) to give more than 20 dB gain with around 1 dB noise figure on 2 meter.
[ Hits: 16743 | Votes: 27 | Rating: 6.00 ]
- Low noise preamplifiers
- Lot of projects of preamplifies from HF to VHF and UHF by yu1aw
[ Hits: 20126 | Votes: 14 | Rating: 3.86 ]
- U301 FET preamplifier
- This FET preamplifier has been around for almost 25 years. It is extremely reliable and can handle several watts directly into either the input or the output without failure.
[ Hits: 7636 | Votes: 3 | Rating: 6.33 ]
- 23 cm GaAs FET preamplifier
- On 23cm the best way to obtain a good RX-sensitivity is to use a GaAs-FET in the front-end, since these devices show very low noise figures.
[ Hits: 3736 | Votes: 5 | Rating: 5.20 ]
- Receive only processing equipment
- One of our most popular products, receiving preamplifiers are used for achieving top signal band performance in competition operating, low noise longwave reception, repeater applications into the UHF region, or lab use
[ Hits: 1900 | Votes: 0 | Rating: 0.00 ]
- Tube Amps forum
- Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement
[ Hits: 10154 | Votes: 3 | Rating: 3.67 ]
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