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[time-freq] TADD-1 JP3 termination

John Ackermann N8UR jra at febo.com
Fri Jul 30 15:27:06 UTC 2010

If you're terminating the input signal into the TADD-1, then you would 
want to install JP3 to provide a 50 ohm load.  The unjumpered setting is 
for daisy-chaining multiple loads, or where the source is high impedance.


Trevor Smithers wrote:
> Have just completed the TADD-1 and I'm a bit confused as to what to do with JP3 - leave open 
> or short with the header.
> The intention is to use the 50R output from a Thunderbolt as the input to TADD-1
> Trevor  G0KTN
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