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Total 5 documents matching your query.

1. [TenTec] Poor sensitivity - Ten-Tec 574 (score: 1)
Author: Gary Tennyson <garyandjanice2@gmail.com>
Date: Thu, 14 Mar 2019 15:56:15 -0500
The 574 (Digital Century 21) has been sitting idle for several years. When I got it out the 2N3055 regulator had failed, putting about 17 Vdc on the (normally 13 V) regulated output. I replaced the 2
/archives//html/TenTec/2019-03/msg00057.html (7,155 bytes)

2. Re: [TenTec] Poor sensitivity - Ten-Tec 574 (score: 1)
Author: Gary Tennyson <garyandjanice2@gmail.com>
Date: Fri, 15 Mar 2019 20:26:21 -0500
Thanks. _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec
/archives//html/TenTec/2019-03/msg00065.html (8,280 bytes)

3. [TenTec] Omni VI with Option 3 for sale (score: 1)
Author: Gary Tennyson <garyandjanice2@gmail.com>
Date: Fri, 13 Sep 2019 16:51:50 -0500
I have an OMNI VI with Option 3. Ive packed it to move, but I realized that I rarely use it. I thought I might try to sell it. I dont have a firm price in mind, so Ill entertain offers. I bought it u
/archives//html/TenTec/2019-09/msg00038.html (7,100 bytes)

4. Re: [TenTec] Omni VI with Option 3 for sale (score: 1)
Author: Gary Tennyson <garyandjanice2@gmail.com>
Date: Sat, 14 Sep 2019 07:50:18 -0500
I suspect it has only whatever came standard. I need to unpack it to take pics. Is there a way to determine the filters without opening it up? _______________________________________________ TenTec m
/archives//html/TenTec/2019-09/msg00041.html (9,248 bytes)

5. Re: [TenTec] Century 22 circuit diagrams (score: 1)
Author: Gary Tennyson <garyandjanice2@gmail.com>
Date: Wed, 25 Aug 2021 17:32:12 -0500
It looks like IC3 has 4 op-amps that are used in the audio filter. This is page 17. These are four identical multi-feedback bandpass filters in series. Unless I made a math error, it looks like their
/archives//html/TenTec/2021-08/msg00035.html (10,118 bytes)

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