Digest for sci.electronics.repair@googlegroups.com - 2 updates in 1 topic

Bill Gill <billnews2@cox.net>: Dec 26 08:02AM -0600

On 12/25/2022 12:34 PM, micky wrote:
> keep pushing until it works. The speaker switch OTOH has a spring that
> pushes it out, past its sweet spot, so now it's hard to get to connect
> at all.
Not a problem. There are 2 different problems that you may be talking
about. The difference in phase of the RF signal will have no effect.
The RF part of the signal is taken out in the receiver and only the
audio is there to be affected by the location of the 2. And that will
have no effect, because the wavelength of audio signals is over 9 miles
for the high end (20 kHz) frequency and goes up from there as the
frequency goes down. There will not be enough difference to have
any effect.
 
And it isn't even April 1.
 
Bill
micky <NONONOmisc07@fmguy.com>: Dec 26 11:01AM -0500

In alt.home.repair, on Mon, 26 Dec 2022 14:49:54 +0200,
>audio inverting stages) the radio may produce opposite phase audio on
>FM. One might have the local oscillator (LO) below the received
>frequency (RF), while in the other the LO is above the RF frequency.
 
Thanks everyone. Clive raised points that I had thought of -- that was
reassuring -- and everyone else gave me plenty of information to think
about.
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