[Moon-net] W6PO 2m Amp I/P circuit help.

David Anderson GM4JJJ david at gm4jjj.co.uk
Mon Jul 2 13:22:30 CDT 2007


I did have that info, but have lost it...

I know that was how GM4IPK eventually got his 8877 input cct to match  
- using a resistor and cap in parallel to simulate the 8877, so he  
could tweak it without power on.

If it helps Hugh, I have some photos of my amp's input cct.


On 2 Jul 2007, at 20:04, Kim Liljekrans wrote:

> HI Guys
>
> Do any have any idea/experienced what the input Z of a 8877 PA  
> cathodedriven
> Amp ??
>
> And secondly what can it be simulated with   5 ohms  ?? and somme  
> hundred nH
> ???
>
>
> I think that Hugh can use some experience here.
>
>
>
> Thanks, and VY 73  de  OZ5IQ, Kim
>

73
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David Anderson, GM4JJJ         E-mail: david at gm4jjj.co.uk
________________________________________________________________________ 
___
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