[Amps] Initial RF testing of 4CX1000A amplifier

[Vic K2VCO]

My meter reads -10 - 0 - 40. Actually it is a normal meter with a new scale. There is a 10 
mA bleed which brings the pointer to zero when there is no screen current. Very clever 
idea by GM3SEK.

I'll be testing with full drive soon.

On 11/5/2013 8:23 AM, Bill Turner wrote:
> ORIGINAL MESSAGE:          (may be snipped)
>
> On Mon, 04 Nov 2013 21:40:48 -0800, K2VCO wrote:
>
>>    I  am  not sure the large negative screen current is normal with these
>>    conditions. What do you folks think?
>
> REPLY:
>
> Negative screen current is normal under conditions of low drive. At full
> power it should be positive.
>
> I highly recommend a zero-center meter for screen current.
>
> 73, Bill W6WRT


-- 
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/