Pulse Scrambler (CB20547E)

This circuit assumes that a pulse produced by S1 has a constant duration determined by R1 and C1.

One Transistor High Power Switch (CB990E)
This circuit can handle 25 A unde a 32 V voltage using a hight power old transistor. This...
Telephone line monitor (CB10149E)
We found this circuit in a 1980s publication on telephony. The circuit uses an integrated...
Photo Astable Multivibrator (CB507)
The frequency of the square signal produced by this circuit depends on the light falling onto the...