Jon Noring writes:

David wrote:

The fixed-step (10 kHz) tuner is what killed music on AM radio. You
can get a much more pleasant sound by detuning a few 100 Hz. This
PLL crap sounds like ****.

Hmm, and I thought it was a phase noise problem. A lot of these radios
used a 10kHz reference frequency, multiplied up to the LO, giving lots of
close in phase noise. Due to FM/AM conversion, this then showed up in
baseband.

Jon-- are you the originator of this thread?

Steve.

--
Steven D. Swift, , http://www.novatech-instr.com
NOVATECH INSTRUMENTS, INC. P.O. Box 55997
206.301.8986, fax 206.363.4367 Seattle, Washington 98155 USA