"Thom Kouwenhoven" wrote to "Mike Ross" (01-04-03  03:07)
 --- on the topic of "I/F"

 TK> Nope...it was really a plain simple NPN bipolar transistor
 TK> Actually...to be honest..it was a CA3046 which is a chip
 TK> with 5 NPN transistors on board....i was amazed it worked
 TK> at all....but it did :-)

 TK> I made a little ascii drawing (hope you can read it...I'm a
 TK> terrible ascii artist) in a mail to Roy

For simple on/off control okay but not for continuously variable...?
Sure, I've seen bipolar transistors used as muting switches too.

 Mike
 ****

... That was a fascinating period of time for electronics

--- Maximus/2 3.01