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Tuners antenne 7 MHz with only one CV
The balun is a simple balun 1: 1 to 3 son twisted on a toroid 200
post 12 Sep 2024
Antenna Transmatch tuner Links →
QRP hf antenna match
The tuned circuit inductor is a T130-red toroid core. This is close wound with 50 turns 20 gauge enamelled wire
Semplice Transmatch tuttofare
Un piccolo accordatore nella configurazione ad L
The ultimate transmatch
At the rear of the roller inductor is the 1-to-4 balun.the balun is set on top of a standoff isulated
Realisation coupleur par f4 dme diedier
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The tuned circuit inductor is a T130-red toroid core. This is close wound with 50 turns 20 gauge enamelled wire
Un piccolo accordatore nella configurazione ad L
At the rear of the roller inductor is the 1-to-4 balun.the balun is set on top of a standoff isulated
5W CW transceiver kit A feature-packed,high performance, single-band 5W CW transceiver kit, with WSPR beacon
Amateur radio kits by Kanga US
50MHz to 28MHz RX Converter The concept of the rx converter is quite simple and nothing really new. the local oscillator is a standard colpitts crystal oscillator producing the 22mhz lo signal