[Amps] Tubes, transistors, and 'abuse'

[Catherine James]

Manfred Mornhinweg <manfred at ludens.cl> wrote:
> So, this is basically a broadband push-pull amplifier using two IRF510 
> MOSFETs in class AB, powered from 29V obtained from 12V via a DC-DC 
> converter, to deliver roughly 20 to 45W RF output, depending on the 
> band. I will comment about it in two aspects: One is based on the specs 
> and data provided by the designer, the other is a partial explanation of 
> why the results are so poor.

Wow.  Just -- wow.

This is by far the most interesting and educational thing I have read on Amps since joining.  I now understand much better what's going on here.

THANK YOU MANFRED for taking the time to examine the design and walk me through it in detail.

73,
Cathy
N5WVR