K2 Frequency Stability Data and AGC Action

Posted by Jack Smith-6 on Jan 17, 2007; 7:14pm
URL: http://elecraft.85.s1.nabble.com/KPA100-D1-D8-voltages-tp442843p442845.html

I've finished additional K2 receiver measurements and have posted them
to my web site, www.cliftonlaboratories.com. Specifically:

1. Frequency stability from a cold soaked start (K2 left outside
overnight, with a temperature low of 20 degrees F). This data can be
viewed at http://www.cliftonlaboratories.com/k2_freq_stability.htm

2. AGC performance, a comparison of audio output versus RF input for the
K2, the Drake R7 and the Racal RA6790/GM. This data can be viewed at
http://www.cliftonlaboratories.com/receiver_agc_curves.htm. The measured
data goes a long way towards explaining why a K2 receiver sounds
"different" than many other receivers.

There's also an update to measuring AM modulation percentages and other
things. The best way to find recent changes to my site is to start at
the updates page. http://www.cliftonlaboratories.com/Updates.htm

Jack K8ZOA
K2 5689
www.cliftonlaboratories.com
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