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1. [TenTec] CW Audio Filter (score: 1): Author: Wj5mh@aol.com; Date: Mon, 22 Nov 2004 08:43:17 EST; 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; /archives//html/TenTec/2004-11/msg00492.html (6,510 bytes)
2. RE: [TenTec] CW Audio Filter (score: 1): Author: "NJ0IP" <Rick@DJ0IP.de>; Date: Mon, 22 Nov 2004 21:53:47 +0100; 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. Unfo; /archives//html/TenTec/2004-11/msg00517.html (7,719 bytes)
3. Re: [TenTec] CW Audio Filter (score: 1): Author: Wj5mh@aol.com; Date: Mon, 22 Nov 2004 19:30:16 EST; Hello Rick... What value are the feedback caps? Mine are .0022, and the output from each section is through a .1uf cap. The first and last sections also have a resistor to ground at the output of the; /archives//html/TenTec/2004-11/msg00523.html (7,260 bytes)

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