[Elecraft] Using SunSDR2 pro with KPA500

W4IEN w4ien at comcast.net
Tue Feb 5 19:25:29 EST 2019


You might want to try the forums for the SDR  radios because their have been discussions on this very topic.  Hope this helps.

72/73,
EM73vx
Robin
G-QRP #12386
W4IEN 
w4ien at comcast.net


> On Feb 5, 2019, at 18:37, Don Wilhelm <donwilh at embarqmail.com> wrote:
> 
> Stephen,
> 
> What is needed is a KeyOut from the driving transceiver - that is an output which is grounded when the driving transceiver goes to transmit.
> The KPA500 will frequency sense if it receives a short burst of RF, so the band data is not necessary, just connect the transverter and amplifier in the Basic Configuration.
> 
> You will have to consult with the SDR transceiver folks to see if there is a KeyOut connector (I did not see one when I looked a some of the ads).  Without that, the SunSDR2 cannot key any amplifier.
> 
> 73,
> Don W3FPR
> 
>> On 2/5/2019 1:15 PM, Stephen Prior wrote:
>> Does anyone have any experience of fully interfacing this SDR with the
>> KPA500 please?  I confess to be rather confused.  I am looking to configure
>> the Ext Ctrl tables with the BCD values that the KPA500 requires for band
>> switching etc.  I understand what BCD is, but in this context I'm confused
>> as to how to define it in the SDR's setup.
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