[sdiy] name that chip?

[steven_thomas]

Hi ..thanks for the info..I guess the equipment i got it from just looked
like it was from the 70's!
It does have a fairly large profile ..so probably a hybrid IC as you say...

thanks
steveT




Synth-DIY pages:-
http://monopole.ph.qmw.ac.uk/~thomas/synthdiy/index.htm
----- Original Message -----
From: patchell <patchell at silcom.com>
To: steven_thomas <steven_thomas at ntlworld.com>
Cc: Synth-DIY <synth-diy at dropmix.xs4all.nl>
Sent: Saturday, September 29, 2001 12:18 AM
Subject: Re: [sdiy] name that chip?


>
>
> steven_thomas wrote:
>
> > Hi People..I have a couple of metal can type IC's I salvaged from some
old
> > (70's?)
> > lab equipment. They have 12 leads on them (grouped as 4x3) which made me
> > think they are quad
> > matched transistors perhaps?..but my attempts to verify this with my
> > transistor checker failed.
> > Anyway the chips are marked:-
> > 8922
> > EHOS-100AH
> > USA
> >
>
>     Well, whatever it is, it was made in the 22nd week of 1989, so, it is
not
> very old.  The package you describe sound like one that was very commonly
used
> to house small hybrid circuits.  Is the can on the oder of magnitude about
1/2
> of an inch in diameter?  If it is, it is probably a hybrid IC.  The rest
of
> the part number makes no sense to me.
>
> >
> > ring a bell with anyone? websearches drew a blank.
> > cheers
> > steve thomas
> >
> > Synth-DIY pages:-
> > http://monopole.ph.qmw.ac.uk/~thomas/synthdiy/index.htm
>
> --
>  -Jim
> ------------------------------------------------
> * Visit:http://www.silcom.com/~patchell/
> *-----------------------------------------------
> *I'm sure glad Merry Christmas comes just once a year
> * -Yogi Yorgensen
> ------------------------------------------------
>
>