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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>
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