[Elecraft] K3: past chirp report

[Wayne Burdick]

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 <k2av.guy at gmail.com> wrote:

> On Thu, Jan 19, 2017 at 2:09 PM, Doug Smith <doug at w7kf.com> 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
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