preamp
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Antennas : K9AY- K9AY 160m 80m receiving loop antenna
- A K9AY loop antenna project done with Far Circuits pc boards for the antenna switch and bandpass filter and preamp by K7SFN
[ Hits: 987 | Votes: 1 | Rating: 7 ]
- RX Flag Antenna FO0AAA 160-10 meters
- An HF bands receiving antenna, shaped in a delta-loop wire aerial with a total 28ft lenght.
[ Hits: 551 | Votes: 3 | Rating: 7.33 ]
- Dish Antenna for 2.4 GHz Satellite Reception
- Modified 80cm Offset Dish for 2.4 GHz Satellite Reception. This 50-ohm impedance antenna allows, when connected to 2.4GHz preamplifier and downconverter, to receive Amateur satellites with 2.4GHz transponders such as AO-40.
[ Hits: 317 | Votes: 1 | Rating: 5 ]
- Hamtech
- HAM-made engineering products supplies and produces coaxial relays, antenna switches, sequencers, roller inductors, variable capacitors, low noise preamplifiers, RF power rotary switches and coil bodies.
[ Hits: 191 | Votes: 0 | Rating: 0 ]
- Design Guidelines for JFET Audio Preamplifier Circuits
- Design Guidelines for JFET Audio Preamplifier Circuits By Mike Martell
N1HFX
[ Hits: 642 | Votes: 4 | Rating: 1 ]
- Kenwood Microphone MC60A Modification
- The Kenwood MC60A with preamp, suffers from RF feedback, a search on the web reveals the extent of the problem. This document explain how to fix this problem.
[ Hits: 393 | Votes: 0 | Rating: 0 ]
- 144 MHz Very Low Noise Preamplifier
- An home made low noise preamplifier project for 144 MHz, with detailed circuit diagram. The VLNA-144 preamplifier has been Published on DUBUS 4 2019
[ Hits: 420 | Votes: 2 | Rating: 10 ]
- Amateur Radio - Microphone Preamp
- Low signal, noise-high AC gain preamplifier
[ Hits: 1007 | Votes: 0 | Rating: 0 ]
- Mic Preamplifier
- Mic Preamp, schematic by Anthony Gargasz, KB8WOW
[ Hits: 572 | Votes: 0 | Rating: 0 ]
- U310 FET preamplifier
- Extremely reliable FET preamplifier can handle several watts directly into either the input or the output without failure
[ Hits: 1049 | Votes: 2 | Rating: 9 ]
- 432MHz Low Noise Preamp
- An easy to build with a cheap HEMT FET Transistor Low noise preamplifier with FHX35LG based on JH0WJF design
[ Hits: 763 | Votes: 1 | Rating: 10 ]
- GaAs FER Pre Amp Cookbook
- There are many designs for building preamps each with their own advantages and disvantages. In this PDF Article author reviews several different types.
[ Hits: 696 | Votes: 0 | Rating: 0 ]
- 50-70 MHz preamplifier
- A ham radio home made preamplifier for 50 MHz and 70 MHz bands
[ Hits: 155 | Votes: 1 | Rating: 1 ]
- A JFET preamplifer for 50 MHz
- The circuit is simple, designed with a low component count and an inherent simplicity in order to keep the cost of building the preamplifier low, and to assure low noise operation.
[ Hits: 95 | Votes: 0 | Rating: 0 ]
- 2m and 70cm Preamp
- Here are some hints and tips for construction of a good preamp for satellite work.
[ Hits: 99 | Votes: 0 | Rating: 0 ]
- Preamp for RTL SDR
- A High-End UHF Preamp for the VHF/UHF Dongle
[ Hits: 1411 | Votes: 2 | Rating: 3 ]
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