This is not a factor in synthesizer switching. Both the old and new synths incorporate their own voltage regulators, preserve identical signal integrity down to a power supply voltage of around 9 VDC. That's about as low as the radio can go in any case.
Wayne N6KR On Jan 19, 2017, at 2:11 PM, Guy Olinger K2AV <[email protected]> wrote: > On Thu, Jan 19, 2017 at 2:09 PM, Doug Smith <[email protected]> wrote: >> 2) Voltage at the K3S is 13.8 key up and 13.2 key down; seems OK. Power >> supply is a switcher which I’ve used for some years. >> >> 3) K3S is drawing 21.96 amps key down. (Not running 100 watts into the amp.) > > 2) that's too much of a drop. Running 40 watts out to drive my Alpha > 8410, the voltage is 14.1 key up and 13.9 key down reading from the > transceiver display. 3) 40 watt current draw is 10.8 amps. > > You should run your power supply at 14.2 volts out, use a short cord to the > K3S. > > 73, Guy K2AV > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
