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February 3rd 07, 12:40 AM posted to rec.radio.amateur.homebrew

ken scharf ken scharf is offline

ken scharf is offline

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First recorded activity by RadioBanter: Jul 2006

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MC1350 IC's

wrote:
On Jan 31, 7:26?pm, wrote:
On Jan 31, 4:06 pm, wrote:

I have a bunch (50?) of MC1350's
I think they are 45 MHZ TV IF Amps.
anybody need some?
I'm interested in a half-dozen or so. Please forward details to
.

Thanks,

MC1350s are still being produced (!) and can be bought
from Jameco...www.jameco.com...$1.95 each, $1.85
quantities of 10. Jameco's catalog 271 has them as
"audio amplifiers" :-)

Those are the plastic-packaged offspring of the original
Motorola MC1590, intended for any sort of RF amplifier-
with-DC-gain-control from low AF on up to 70, 80 MHz.
Differential input, differential output, gain control to
beyond 50 db, very good constant input impedance on
each input side. Open-collector on output so there is
good flexibility in its load configuration. Turns out they
also make good limiters.

There was also the MC1351 which was a 'hotter'chip with more gain.

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