A superhet converts the signal to an intermediate frequency [455 KHz?].
Sometimes it does it more than once, 2 or more IF's, many today have a
very high frequency first IF [70+ Mhz].
A DC receiver converts the signal once to audio. Regardless of the
mechanics [which these days can get very complex], that's really all
there is.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
On 9/9/2017 7:19 PM, K9MA wrote:
It's been a long time since I studied signal theory in college, but
I'm curious as to how AM is demodulated in a direct conversion radio
like the KX2/3. (SSB and CW demodulation I understand.) Does anyone
know, or have a reference?
73,
Scott K9MA
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