LED Flasher Unijunction (CB22144E)

The frequency of this circuit depends on the capacitor. The unijunction transistor can be the 2N2646.

TTL Astable 7401 (CB19417E)
This configuration uses the 4 gates of a 7401 integrated circuit. The capacitors determine the...
Half Wave Rectifier (CB15767E)
This is a precision half-wave rectifier, suggested by Texas Instruments. Diodes are commonly used,...
DC Motor Control LM2917 (CB14298E)
This circuit is suggested by National Semiconductor in its 1994 Linear Applications Handbook. The...