MOSFET Stage (CB25576E)

This circuit shows how to use the 4007 MOSFETs in an amplifier stage. We found it in an Electronics Now issue from May 1993.

Alarm Oscillator (CB21233E)
This variable oscillator with power step for alarms was found in an American documentation from...
Tuned filter with the 741 (CB7521E)
Found in an English documentation from 1982, this circuit can be changed to operate in a different...
1 kHz Pass Band Filter MC34071 (CB14478E)
The circuit is suggested by Motorola in its 1990 Linear Databook but operating from the same...