Hi Joe,
I found the schematic of the model 224 Audio Filter for the Argosy.
It is a 4-pole filter with two bandwidths.
It looks to be the similar or same as the one I had in my 509 25 years
ago.
Unfortunately I can't find that schematic.
Perhaps someone else here can confirm if these two are the same or
different (other than the 3rd tap which you could add yourself).
If so, I can send you the schematic.
73
Rick
-----Original Message-----
From: tentec-bounces@contesting.com
[mailto:tentec-bounces@contesting.com] On Behalf Of Wj5mh@aol.com
Sent: Montag, 22. November 2004 14:43
To: tentec@contesting.com
Subject: [TenTec] CW Audio Filter
Need schematic for Ten-Tec 3 position CW audio filter for Triton or 509.
Read that it was the same as the Vectronics CW filter, but I traced my
circuit
out and it isn't. It's very close, but no match.
Thanks,
Joe
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