[AMPS] Parasitic suppressors/another question,

[km1h@juno.com]

On Wed, 07 Apr 1999 01:51:09 -0700 "Michael J. Baker" <K0qz@primenet.com>
writes:
>
>Ok, gang, while the pot has been stired again, let me ask a related
>question of the group of experts.
>	Without access to a spectrum analyzer, how does one determine 
>what
>frequency your new amp has any parasitic oscilations occuring on, if
>any? 

A GDO in diode mode will work with reasonable accuracy if you have it set
for minimum coupling.
Follow Peter's suggestion also.



 I realize that keeping an eye on a TV in the room while the amp 
>is
>running into a dummy load might be one way, 

Yes, if you tune thru the channels and can seperate real harmonics and
overload from parasites.


but if parasitics ARE
>generated, then don't you run the risk of blowing up switches, etc in
>the "finding" process?

Depends, again Peter pretty much hit on the main points.
If it is a commercial amp, measuring the existing suppressor R is a first
step.

73  Carl  KM1H


>	What are your suggestions?
>	OOHHHH KAAAAAAHHHH!  Flameproof skivies on!  Let loose the 
>dogs of
>war!!!
>
>	Mike Baker  KØQZ/7
>
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