[Elecraft] How low (V) can the K3 go?

[Chris Kimball]

I'm running a test on my K3 with Olivia 8/500 data mode at 40 W output. The
duty cycle is 1/3 transmit (4 min) and 2/3 receive.  A "LOW BAT" warning and
beep occur occasionally during transmit, however, the ALC remains at about 4
bars solid, one flickering.  The voltage during receive is more than 11 V,
but during transmit it drops into the 9.x range sporadically. 

The test is into a dummy load and I have no way to judge the signal quality.

When, at this power level, should I stop the test?  What's the best
indication that the voltage is too low for a clean and usable signal?

Chris
NQ8Z



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