I liked both these videos. Mike WU2D really does a great job. He covers a LOT of technology and theory in two videos. Thanks Mike!
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SolderSmoke Daily News — Ham Radio Blog
Serving the worldwide community of radio-electronic homebrewers. Providing blog support to the SolderSmoke podcast: http://soldersmoke.com
Enjoyed muchly, just didn’t explain the role(s) of the filter and its relationship to the BFO/Carrier Oscillator for Rx selectivity and cutting both carrier and unwanted sideband on Tx. 1960s was likely too early for phasing (e.g. NZART/Break-In ‘Tucker Tin’). Modern ‘kits’ e.g. BITX are still ‘filter’ rigs just like this. FB and 73!
That was *remnant* carrier.