PWM Control (CB21096E)

This circuit for low voltage motors was found in an Electronics Now from the 90's. The transistor must be equipped with a heat sink.

Head or Tail (CB20332E)
This simple transistorized game that appears in other versions in this section and website, was...
Microsemi Le87557 Differential Amplifier
Microsemi Le87557 Differential Amplifier Mouser Electronics offers Microsemi Le87557 single...
Monostable Touch Relay 555 CMOS (CB15870E)
In the figure we have an interesting configuration in which we took advantage of the very high...