[ARC5] Wanted to exchange. Neat command power supply for connector pins.

[J. Forster]

I am pretty sure you can buy stake-in mini-banana plugs from either Pomona
or HH Smith.

IMO, that is a much easier way to go.

-John

==============




> Les,
>
> Before you go to all the trouble to fabricate a complete connector insert
> from scratch, are you aware that the three plugs in the receivers onto
> which
> the RF coil rack is mounted are the same pin circle diameter and pin
> spacing
> as the outer six sockets in the receiver's rear connector?  All that you
> have to do to make the electrical part of the external power and control
> connector is to add the center pin.  And if you wish, fabricate the
> backshell.
> So each basket case ARA receiver and each basket case A-model SCR-274-N
> receiver will yield plugs for three receivers.  I say A-model because many
> (but
> maybe not all) B-model receivers do not have all of the pins installed -
> only
> the ones that are used.  Of course if you had the proper pins, you could
> also populate the empty holes, too.
>
> Also, the IF transformer plugs fit the AN/ARC-5 transmitters.
>
> Robert  Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
>
> In a message dated 04/25/2013 13:44:07 PM Central Daylight Time,
> jcoward5452 at aol.com writes:
>> -----Original Message-----
>> From: Leslie Smith <vk2bcu at operamail.com>
>> To: ARC-5 List <arc5 at mailman.qth.net>
>> Sent: Mon, Apr 22, 2013 5:14 pm
>> Subject: [ARC5] Wanted to exchange. Neat command power supply for
>> connector pins.
>>
>>
>>
>>   Dear List-members,
>>
>> I wish to fabricate a number of plugs to suit the rear panel connector
>> on the "command" receivers.  For this I need a suitable number of "pins"
>> that mate with the socket.
>>
>> I would like to swap one power supply to suit the command receivers for
>> a "suitable number" of "pins" that match the afore-mentioned socket.  I
>> will thow in a reasonable number of fabricated plugs when I have
>> machined the shell and added the pins.
>>
>> The power supply for exchange can be seen in the yahoo "groups"
>> ARC5-radio 'files' directory.
>>
>> To see the power supply: goto the "ARC-5radio" mailing list at
>> www.groups.yahoo.com and then find (or join) the ARC-5radio list.  Look
>> in 'files' and then in the folder 'ARC-5 power supply (PSU-611)'.  YOU
>> supply the 24V AC 1A plug pack used with the power supply.  I supply a
>> mating "green" 8 way connector and a 2.5mm power jack.
>>
>> As the card in the photo connects to the rear panel socket it
>> constitutes a way to run a "command" radio "stand alone".  You house the
>> power supply in a box, add a speaker (with a 600 to 8 ohm transformer),
>> then plug the lot into the command socket.  Add 10 foot of aerial wire
>> thrown across the room and you have a working command receiver.   Very
>> simple.  Add a simple three transistor down-converter and you have a
>> superb double-conversion 80m receiver.
>>
>>
>>
>> Any-one interested?  Then pls contact me (vk2bcu 'at' OperaMail 'dot'
>> com).
>>
>>
>>
>>
>>   73 de Les Smith
>>   vk2bcu at operamail.com
>>
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