preamplifier

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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 ]
Shopping and Services : Kits and Components
  • 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 ]
Technical Reference : Audio Technical Reference : Preamplifiers
  • 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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