Hello,

I am looking for some general info on the Eddystone 1650 receivers.
Specifically, I have an interest in the 1650/6 and 1650/7 models which
I own.

The model 1650/6 is intended for computer control and has only two
crystal filters installed (3kHz and 8kHz). It also has a 100kHz IF
output, however, I do not understand what this output was intended to
be used for. Was it for an external FSK demodulator?

Also, how does the 1650/7 model differ from the 1650/1, 1650/3,
1650/8, 1650/9 and 1650/10 models? Can someone shed some light on what
some of these numeric suffixes signify?

Any help would be greatly appreciated.

Thanks in advance!
--Richard Lukes (VE4AIV)
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