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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
23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency
50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection
Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free