[Amps] PIN diode mods

[Tom W8JI]

> Maybe  Ulrich with his well respected HF credentials and 
> his vast
> experience with collocated HF transmitters and receivers 
> in military
> markets became  the main   focus   for all his  measured 
> improvements.
> The data measured  with very  wide spaced high 3rd order 
> intercept
> points may be valid using  better PIN diodes in  such a 
> severe RF
> environments. Only he could answer these questions.


My FT10000's sure didn't change a bit in any measured 
parameter, and I used the slowest diodes I had. Neither did 
my IC 751A.

I did two tone IMD and blocking DR tests both in an out of 
the roofing filter.

73 Tom