If no one has an assembled board for you, I can probably at least help you out with a bare board and the two chips that have become hard to get - the NJM2211 demodulator chip and the optoisolator for talking to the loop. The rest is just plain passive components which should be in most junkboxes, and/or i can see what I can find.

eric

On 2023-10-13 09:13, [email protected] wrote:

Hi all:

 

I need some help.

 

I am looking for an EARLY  board by Eric Volpe. It is the one made in August 2011.

 

Has it really been that long?? :-)

 

It's the current loop ASFK demod board.

 

If you want to part with one, I would be most interested.

 

Please contact off list.

 

Thanks

 

Tom WB2TTY Tillson

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