[Premium-Rx] WJ DRO Connections.

[Nico van Dongen]

Hello Dave,

>From the RS-111-1B-12A manual

Connector J25
DAFC:
Pin 1; Gnd
Pin 2; DAFC input
VHF/UHF control setting:
Pin 3; 490 - 1000Mc
Pin 4; 235 - 500Mc
Pin 5;  control
Pin 6; 30 - 60Mc
Pin 7; 60 - 300Mc

Regards,

Nico - PA3ESA

On Fri, Sep 14, 2012 at 9:39 AM, David Schofield <davesc50 at tiscali.co.uk>wrote:

> Hi All,
>
> I've just acquired a WJ DRO-333A counter that I am going to use with my
> WJ RS-111-B-12 receiver.
> Whilst I now have it running and showing the tuned frequency correctly,
> I would like to use the DAFC feature as well.
>
> Unfortunately my RS-111-B-12 manual is for an older version of the
> receiver and does not include the DAFC connector info.
> The DRO-333A outputs the tuning correction voltage from a BNC on it's
> rear panel, but my RS-111-B-12 has a multi pin Mil-C connector on the
> rear labelled up as DAFC.
>
> Does anyone out there have the pin out's for the later DAFC input
> connector on the RS-111-B-12?
> It can only be two pins one for the control voltage and one for ground,
> but I just thought I'd ask before delving in to the receiver and tracing
> out the wiring loom.
>
> It will be good to stabilise the receiver as it's one of the most
> sensitive VHF units I have, but does have a tendency to drift all over
> the place. The counter alone makes a massive difference to it's
> usability, as at least I can keep it on frequency manually now.
>
> Thanks,
> Dave.S.
>
>
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