This variable gain circuit for analog video signals was found in a 90s Linear Technology documentation. The circuit has an adjustable gain between -12 and +8 dB.
The duration of the output pulse in this circuit depends on C. This capacitor can have values in...
This circuit is from the time when cars used contact breakers. This 80's version measures the dwell...
We found this touch switch in a 1992 Electronics Handbook. The circuit can be assembled with 6 or...