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1. [TenTec] Schematic for 311 Band Data Decoder? (score: 1): Author: Eric Rosenberg <ericrosenberg.dc@gmail.com>; Date: Thu, 18 Jun 2009 14:46:20 -0400; TT says they don't have a schematic for the 311, which apparently isn't really a Band Data Decoder, but rather an inverter. Have any of you opened up the box and looked at it.. or reverse engineered; /archives//html/TenTec/2009-06/msg00098.html (7,006 bytes)
2. Re: [TenTec] Schematic for 311 Band Data Decoder? (score: 1): Author: "Phil Chambley Sr." <k4dpk@comcast.net>; Date: Thu, 18 Jun 2009 15:12:22 -0400; Eric.... I've built a couple of interfaces for guys to bandswitch the Herc II with Yaesus. I'll see if I can find my notes. Phil C. Sr. k4dpk -- Original Message -- From: "Eric Rosenberg" <ericrosenb; /archives//html/TenTec/2009-06/msg00099.html (8,193 bytes)
3. Re: [TenTec] Schematic for 311 Band Data Decoder? (score: 1): Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>; Date: Thu, 18 Jun 2009 14:28:26 -0600; http://www.tentecwiki.org/webarchive/311/ Says its an inverter. Takes open collector lows from the Orion and pulls its outputs high using a surface mount 2N3906 PNP transistor on each line. Probably; /archives//html/TenTec/2009-06/msg00101.html (8,381 bytes)
4. Re: [TenTec] Schematic for 311 Band Data Decoder? (score: 1): Author: "Phil Chambley Sr." <k4dpk@comcast.net>; Date: Thu, 18 Jun 2009 18:02:12 -0400; As I remember, the ones I built used BCD input from the rig, and open collector 2n3904s driven by a BCD to 7-segment display driver. Phil C. Sr. k4dpk -- Original Message -- From: "Dr. Gerald N. John; /archives//html/TenTec/2009-06/msg00102.html (9,600 bytes)

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