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Author Topic: External AM detector circuit?  (Read 3060 times)
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WA2SQQ
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« on: March 27, 2015, 10:26:05 AM »
Recently upgraded my Flex 5000 to the 6500. Just read that the 6500's Monitor function is sampled before the EQ, so any adjustments can't be heard. My faithful HQ-180 does not have the bandwidth to really hear how it sounds. Does anyone have any circuits for a decent (external) AM detector that I can feed into an external amp and monitor myself on a pair of headphones? Obviously I can use a 1N34 and a few caps, but I'm thinking that there is something better that would allow be to hear the full audio pass band.
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VE3ELQ
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« Reply #1 on: March 28, 2015, 05:32:04 PM »
Years ago I used a MC1330 video detector chip for AM detection. It worked great.
http://www.classiccmp.org/rtellason/chipdata/mc1330.pdf
73s  Nigel
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