Would not the same band info work for the Herc II Amp? It's a daisy chain
with the 253. Thanks, Bob K4BG
--------------------------------------------------
From: "Dave AA6YQ" <aa6yq@ambersoft.com>
Sent: Friday, May 20, 2011 19:08
To: "CSM(r) Gary Huber" <glhuber@msn.com>
Cc: "TenTec Reflector" <tentec@contesting.com>; <w9aml@yahoogroups.com>;
<Ten-Tec-Omni-VII@yahoogroups.com>
Subject: Re: [TenTec] Commander - Unified Microsystems BCD-10 - Model 253
> Nice work, Gary!
>
> 73,
>
> Dave, AA6YQ
>
> -----Original Message-----
> From: CSM(r) Gary Huber [mailto:glhuber@msn.com]
> Sent: Friday, May 20, 2011 6:16 PM
> To: Dave Bernstein
> Cc: w9aml@yahoogroups.com; Ten-Tec-Omni-VII@yahoogroups.com; TenTec
> Reflector
> Subject: Commander - Unified Microsystems BCD-10 - Model 253
>
>
> Dave,
>
> I recently completed a band decoding interface for the TenTec model 253
> Automatic Antenna Coupler. The 253 requires a voltage of +10 to +14 VDC
> at
> 3 ma on one of seven pins to select the preset tuning information for up
> seven memories on each of four switch positions (28 memories). Originally
> the voltage and pin selection was provided by the TenTec transceiver, but
> the OMNI-VII does not.
>
> I used Commander to provide BCD via the computer parallel port to the
> (solder pads ABCD) UM BCD-10, the band is decoded (J1 1-9) which then
> pulls
> down pin 2 of the selected (band) 8L01 DIP Relay, which upon contact
> closure
> outputs +12 VDC on pin 14 to one of seven Band Select pins on the
> #86027-26
> to the 15 pin Molex® on the rear panel of the model 253 tuner. Pins 6 and
> 8
> of the 8L01 DIP Relay are at +12 VDC supplied by +VR of BCD-10. The UM
> BCD-10 receives +12 VDC from the OMNI-VII Power Supply.
>
> references:
> Model 253 Operators Manual pages v, 2-4, 2-5
> 8L01-DIP-Relay-PDF page 27
> http://www.unifiedmicro.com/decoder.html (bcd1.jpg)
> http://www.dxlabsuite.com/commander/Help/index.htm
>
> Best regards,
>
> CSM(r) Gary Huber - AB9M
> 9679 Heron Bay Rd
> Bloomington, IL 61705
> (309-662-0604)
> www.csm-gh.com
> glhuber@msn.com
> gary.huber@us.army.mil
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>
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