"COLIN LAMB" wrote in message
ink.net...
"Well, lots of receivers are single conversion on the
broadcast band and do not have image problems."

Well, that is true, but what I left out was that the if is
50 kHz. It is the only radio to my knowledge that runs 50
kHz ifs with single conversion.

The bandspread tuning is quite unique. There was supposed
to be a run of 1,000 - but I bet less than 100 are still
around. Maybe the other 900 are still in a warehouse and
will show up on the surplus market one of these days - ha.

I have one.

Colin K7FM
50Khz, I will have to look at the schematics. I knew
there was a low frequency IF involved in order to get sharp
selectivity using conventional components. 50khz _would_ be
likely to have problems with images.


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Richard Knoppow
Los Angeles, CA, USA




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Posted via a free Usenet account from http://www.teranews.com

It is dual conversion at some point, but not the lowest band.

Colin K7FM

It's single conversion on the two lower bands below 2.2 Mc, IF is 52Kc
on those single conversion and 1802 Kc with double conversion on the 4
upper covering up to 35.53 Mc. Hey an expensive Q5er!

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73
Hank WD5JFR

"COLIN LAMB" wrote in message
ink.net...
It is dual conversion at some point, but not the lowest band.

Colin K7FM