[hpsdr] ALC and power control

Jim Sanford wb4gcs at wb4gcs.org
Thu Nov 22 06:36:30 PST 2018


All:

I have been reading an interesting discussion on a solid-state KW Pwr 
Amplifier board regarding the transmit power spike produced by so many 
of the commercially available radios.  (Power spike killing devices in 
the PA.)

This generates two questions:

1.  How does HPSDR (with Munin) control power -- does it ramp up, or 
start at full power and ramp down based on drive setting?  (I have never 
seen any spikes .)

2.  Does HPSDR (with Munin) accommodate an ALC input from an external KW 
amp?  I don't recall seeing anything about this online or in the various 
manuals, but may have missed it.  (Don't have access to manuals for a 
few days.)  If it does, what are the specs/limits/setup?

Happy Thanksgiving to those in the US!

Thanks & 73,

Jim

wb4gcs at amsat.org



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