[Elecraft] K1 DC voltage check

[Don Wilhelm]

Mark,

You are effectively reading the voltage drop across D16.
That 600mV drop across D16 will not drastically affect the operation of 
the K1.
If you would like a bit higher voltage on the PA transistor, you can 
increase the voltage of your power supply a bit (the K1 upper voltage 
spec is 15 volts).  If you are running on batteries, it will make a 
little difference.
If you would like a lower voltage drop across D16, replace it with a 
95SQ015 which is available from Elecraft as p/n E560009 (it is used in 
the K2 as the series reverse voltage protection diode.

73,
Don W3FPR

On 2/27/2016 2:32 PM, Mark Petrovic wrote:
> I'm performing the DC voltage checks (page 30 of the instructions), which occur immediately after installing the power switch on the RF board.
>
> P1 pin 16 is supposed to be supply minus 300mV, but I get 600mV.  Is this a cause for concern?
>