[ARC5] transistors

J. Forster jfor at quik.com
Fri Oct 1 15:22:43 EDT 2010


Those potted modules were discrete component on a small PCB.

Burr-Brown tended to be rectangular; Analog Devices and Philbrick tended
to be square.

They needed few pins:

+15
GND (sometimes)
-15
+ Input
- Input
Output
Trim (sometimes)

-John

==================



> I still have some OPAMPS here which are exactly the same form
> factor as a domino but are 3 times as thick. They have gold plated
> pins, but only about 7 of them, and are "potted" in some form of
> black epoxy.
>
> These were used in a USGS seismic amplifier. Can't remember
> who made them, but it may have been Burr-Brown...
>
> They work quite well, although their bandwidth is somewhat
> limited.
>
> Ken W7EKB
> ______________________________________________________________
> ARC5 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/arc5
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:ARC5 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>




More information about the ARC5 mailing list