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Old 7th Nov 2018, 7:12 pm   #21
samoca58
Triode
 
Join Date: Sep 2014
Location: Ringwood, Hampshire, UK.
Posts: 29
Default Re: ZN414 and TA7642 radios

This is one of my TA7642 radio superhet experiments.
A dualgate mosfet as a self oscillating mixer feeding an IF transformer feeding a ceramic filter followed by another IFT feeding the TA7642.
Works very well . Sensitive and selective.
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