preamplifier
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Antennas : Satellite- 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 ]
- Transistor Audio Preamplifier Circuits
- Design Guidelines for Bipolar Transistor Audio Preamplifier Circuits By Mike Martell N1HFX
[ Hits: 1814 | Votes: 3 | Rating: 4.33 ]
- Mic Pre Ampllifier
- A microphone preamplifier schematic for hand-helds by ON6MU
[ Hits: 1669 | Votes: 3 | Rating: 6 ]
- Design Guidelines for JFET Audio Preamplifier Circuits
- Design Guidelines for JFET Audio Preamplifier Circuits By Mike Martell
N1HFX
[ Hits: 642 | Votes: 4 | Rating: 1 ]
- LF/MF Preamplifier
- A universal LF/MF preamplifier by Lyle Koehler, K0LR
[ Hits: 2163 | Votes: 2 | Rating: 4.5 ]
- Improving Receiver Noise on 50 MHz
- Tests on a preamplifier for 50 MHz installed right at the feedpoint of the antenna.
[ Hits: 990 | Votes: 0 | Rating: 0 ]
- 137 kHz antenna preamplifier
- A simple 137 kHz antenna preamplifier to make your FT-817 (and others) useable on 2200m band.
[ Hits: 1183 | Votes: 3 | Rating: 6.67 ]
- 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 ]
- 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 ]
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