matching unit

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matching unit

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Antennas : Antenna Calculators

  • Full Wave Loop Antenna Calculator - Use this online calculator to determine the length of a full-wave loop antenna from the frequency. Both metric and English units of measurement are supported. Quarter-wave matching section lengths are also calculated.
    [ Hits: 929 | Votes: 5 | Rating: 8.2 ]
Antennas : Baluns Antennas : End-Fed Antennas : End-Fed : End Fed Half Wave Antenna
  • EFHW matching unit - End-Fed Half Wave matching unit project, based on a FT140-43 with SWR plot tests made using capacitor and without.
    [ Hits: 902 | Votes: 2 | Rating: 10 ]
  • End-Fed HalfWave Matching Unit for SOTA operations - An end-fed half wave antenna matching unit made of 3:24 turns ratio on a FT140-43 toroid with a 150pF capacitor across the input.
    [ Hits: 259 | Votes: 0 | Rating: 0 ]
Antennas : Tuners
  • A Portable Antenna Matching Unit - A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
    [ Hits: 15342 | Votes: 7 | Rating: 5.14 ]
  • Budget-Friendly QRP T-Tuner and SWR Bridge - In the pursuit of an affordable matching and SWR indication solution for the Pixie-based transceiver system this T-Tuner and SWR bridge unit, while not groundbreaking, proves to be a cost-effective performer. With real-world impedance testing yielding a worst-case loss below 0.9 dB, the unit efficiently matches all bands on 80 M to 10 M ham bands, making it a valuable addition to the QRP system.
    [ Hits: 49 | Votes: 0 | Rating: 0 ]
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