AD633 specs

[Buck Buchanan]

Hi all,

> Plus.... DC offset trim, is it really neccessary?... AC breakthough on the X
> input could be lower... is there an easy way to kill this by putting a
> differential amp subracting from the output?...Looking at it, at the kind of
> frequencies I tend to operate in the Y input isn't too bad...

My sence of wanting to do everything as "right" as possible makes me
wanna say you gotta have the trimming.  
But in my initial experimenting with mine on a white proto-board thing,
I was not able to *much* improve the rejection by DC trimming.... though
maybe it was the effects of the proto-board I was seeing.

I wound up using OP07s for input buffers and going with no trim and it
works pretty darn well given its simplicity.  Bleedthrough on Y is
virtually non-existant but yes, X could be a tad better. but it still
outperforms most other ring mods I've heard.  Since typically (for me at
least) I use one intermittent signal and one continous signal, I give
the Y input to the continous signal I don't want to hear at all.  "Use Y
for max rejection" it says on the pannel.

The next one I build up will have trimming even though for my use I
don't really need better peformance.

Maybe there should be an AD633 fan club!

Buck