[Elecraft] KRC2 Band Decoder

[Vic K2VCO]

Iain MacDonnell - N6ML wrote:
> 
> 
> Vic K2VCO wrote:
>> Jack Smith wrote:
>>> Source = the device outputs current
>>> Sinks = the device pulls the current to ground.
>>
>> In practical terms, you can connect a 12v dc relay to a source 
>> terminal of the KRC2 and ground the other side of it.
>>
>> To use a sink terminal, connect +12v dc to one terminal of the relay 
>> and ground the other one.
> 
> Err, you mean connect the other one to the "sink terminal" :)
> 
> You should also have a diode across the coil of the relay, of course,
> so your "sink terminal" doesn't get slammed as the magnetic field
> collapses when it's turned off.

Yes, I meant that. Ground the relay through the sink terminal. And you are right about the 
diode.
-- 
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco