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VHF FM converter circuit/s?
I'd like to build a simple tube-type FM broadcast tuner. So far it
looks like a 6BA7 is the best bet for oscillator/mixer but I need a circuit to avoid the pitfalls and/or reinvention of the wheel. Other possibilities are triode oscillator/mixers using 12AT7, and triode/pentode using 6BL8 or 6U8, even 6X9. 6HG8, which has very high transconductance and triode and pentode on a common cathode seems to have possibities too. I'd appreciate it if you could share your favorite VHF/FM converter circuits with me. Thanks, John VK3XAO |
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