Tuned Radio Frequency Receiver

Описание к видео Tuned Radio Frequency Receiver

For my nerdy friends only. It's Alive!
AM diode detector receiver coving 4.5 to 17 Mhz. Two high Q varactor tuned LC resonators (with tracking offset pots). 10dB bandwidth about 200 kHz (Loaded Q about 50). Variable linear coupling to the antenna and rotatable coupling between the two LC resonators. Precision 10 turn potentiometer.
Fun stuff but a lot of work.

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