Re: yoke resonant frequency

Zonn wrote:
>
> At 04:37 PM 9/3/97 -0400, you wrote:
>
> >So from the big picture, each axis can be viewed as an op-amp configured as an
> >inverter driving the coils. (Note: This is from year old memory, it may be
> >non-inverting. I'm going to have to dig out the schematics back out.)
> >Of course, there is also the ancillary spot killer stuff, but that is an
> >add on. This design should be somewhat linear, depending on the overall
> >OTA gain.
>
> It's non-inverting, the inverting input is used as the error correction's,
> negative feedback. But other than that, you got it. :^)
>
> -Zonn

To put it in a simple form, its like a voltage controlled electromagnet.
The signal
coming into the deflection circuit is used to control the amount of
current applied
to the yoke. You just need to find an amp circuit efficient enough to do
the job.
Received on Wed Sep 3 17:41:42 1997