On Thursday, May 08, 1997 14:07 PM, Reid W
Simmons[SMTP:Reid_W_Simmons@ccm2.hf.intel.com] wrote:
> All;
>
> I know it is quite futile to ask if anyone has one of these 301s for
> sale so I will instead ask if there are any plans for Ten Tec to go
> into production on these again? There seems to be quite a demand. If
> they are not then does anyone have a schematic and parts list they can
> copy and send me?
>
> Thanks.
>
> Reid, K7YX
>
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>
>
Reid,
As far as I know and based on what Scott Robbins, Sales Manager
for Ten-Tec, says, there are no plans within Ten-Tec to go back to
producing the Model 301.
The parts list is extremely simple :
There are only 4 connections to the rotary decoder and
the cable connector. Otherwise, any box and knob will
do--my recommendation is a sloped front box and a $15
Omni VI main tuning knob from Ten-Tec.
>>
I don't know if you can buy the decoder directly from Oak Grigsby,
but you can ask. Also, Ten-Tec may have one on the shelf that
they might sell you (they are used in the Omni VI for VFO and RIT.
It will probably cost around 40-50 dollars.
You want the Oak Grigsby encoder, model 90Q125-02-00245.
The schematic is even simpler:
Encoder: - = (ground)
empty = nothing
A = (phase 1)
+ = (+5v)
B = (phase 2)
(-, A, +, B = pin identifiers on the encoder)
DB25(to radio): 1 and 14 = (ground)
6 = (Phase 1)
8 = (Phase 2)
16 = (+5v)
I made a y-cable with three DB25's: a DB 25 plugs into the radio, the other two
are well marked for (1) the remote vfo control and (2) the computer. That way,
I can use only the computer or only the remote vfo control or both.
I built mine from Ten-Tec purchased parts. I'm not sure how
many of the original parts from the 301 they still have. Basically,
all you need is the clamshell case, a weight for the base, the
encoder and the knob. You make up your own cable (any
reasonable length you need) and connector.
73,
Dale Martin, KG5U
kg5u@hal-pc.org
http://www.hal-pc.org/~kg5u
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