This may not be ideal, there will be other mixer products present.
Perhaps precede the AM diode detector with a 12mhz LC bandpass filter?
Can't use the crystal filter, as it is too narrow for an AM signal.
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On Thu, Dec 28, 2017 at 10:20 am, Jerry Gaffke wrote:
I'd first try attaching the diode (1n34a, or perhaps a BAT54s) off of pin 2 of T5, where it drives the 12mhz crystal filter.
