Don Moman VE6JY wrote:
> Asking on behalf of a friend who is looking for a source of this IC ...
> I'll pass any info to him, thanks.
>
> 73 Don
>
> VE6JY
>
>
>
> Am trying to find a double balanced mixer that was made by Ferritronics
> many years ago, an FL2200M that is an 8 pin package in a metal case. Do
> you have any ideas as to a replacement for it? As far as I can tell the
> company is defunct! I am getting desperate!! Its a double balanced
> mixer from the early 70's and it was very popular at the time. I am
> trying to find a modern replacement for it if possible. This is out of
> the exciter for our 5KW SSB transmitter. It is an Aerocom 1330 and it
> uses a 4CX10,000 for its single final.
Use a 47R resistor and diode probe to measure the LO level, and then map
the pin connections. I'd be very surprised if Mini-Circuits didn't have
something that will drop in and work fine. I've always found their apps
guys very helpful.
Steve
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