[GreenKeys] Looking for a stand-alone Loop Power Supply
David Effa
wd9itr at arrl.net
Sun Jun 29 18:07:09 EDT 2008
Thanks Don. I will keep an eye out for one of these.
Dave, WD9ITR
On Sat, Jun 28, 2008 at 2:33 PM, Don Cunningham <wb5hak at martineer.net> wrote:
> David,
> Find an old ST-6 RTTY converter or the likes. All that, including the
> "motor relay with autostart" will be built in!! They can usually be found
> for $50 or less.
> 73,
> Don, WB5HAK
> ----- Original Message ----- From: "David Effa" <wd9itr at arrl.net>
> To: <greenkeys at mailman.qth.net>
> Sent: Saturday, June 28, 2008 2:26 PM
> Subject: [GreenKeys] Looking for a stand-alone Loop Power Supply
>
>
>> Hi Greenkeys,
>>
>> I am looking for a stand-alone Loop Power Supply that can convert
>> RS-232 or MIL-188-114 signals into high voltage current loop signals.
>> I would also like it to have a motor relay with auto-start
>> functionality. Commercially on the web I found the HAL Comm. sells
>> the LP1200A which fits the bill perfectly. I did e-Mail HAL to see if
>> they had or could part with an old demo or other such type units unit
>> at low cost, but I had no reply. But I did not expect one either. I
>> know they just deal with commercial entities and in large quantities
>> of units. I have not seen anything like this show up under eBay or
>> found any kits that I could build. I do not have many tools so
>> building a chassis for a kit board would be a problem.
>>
>> Thanks,
>>
>> Dave, WD9ITR
>> _______________________________________________
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>> GreenKeys at mailman.qth.net
>> http://mailman.qth.net/mailman/listinfo/greenkeys
>>
>
>
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