Four quadrant multipliers:Results of my searching

jh. jhaible at t-online.de
Sat Dec 23 20:48:57 CET 2000


Curious question:

What does the 633 have that you cannot get with a RC4200,
a LM13700 or a 1496 ?
Right, I see, minimum part count. But you can solder a lot
of resistors in the time it takes to track down such a rare chip.

Just my opinion.

JH.


-----Ursprüngliche Nachricht-----
Von: patchell <patchell at silcom.com>
An: <synth-diy at node12b53.a2000.nl>
Gesendet: Samstag, 23. Dezember 2000 16:41
Betreff: Four quadrant multipliers:Results of my searching


>     Well, here is what I have found out....
>
>     The only two multipliers that Burr-Brown has listed are the MPY-100
> and something else for very high frequencies.  The status of the MPY-100
> is "Not Recomended for New Designs".  Plus, it is not all that low in
> price.  $15 minimum in 1000's.  It seems that Burr-Brown is getting out
> of that type of market.  The AD633 is in "full production", which for
> analog devices at the moment, doesn't mean a whole lot.  In 100's the
> part is listed at $4.13.
>
>     If I can locate any of these little ....... uh..chips, is there
> anybody out there who would want any in lots of 10?  I would need seven
> or eight people who would be willing to commit to getting 10.  (that
> would be about $43-$45 depending on how much tax and shipping I would
> have to pay)
>
> --
>  -Jim
> ------------------------------------------------
> * Visit:http://www.silcom.com/~patchell/
> *-----------------------------------------------
> *If you didn't buy a home in Santa Barbara,
> * You didn't pay enough!
> ------------------------------------------------
>
>





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