Emitter Follower Complementary Stage (CB25623E)

This circuit was found in the October 1993 Electronics Now magazine. The circuit can be used in a small audio amplifier.

Simple AC DC Converter (CB15885E)
The base of this circuit consists of two operational amplifiers of the type LMI101A. The first...
Sound Metronome (CB13509E)
We found this circuit in a 1977 Radio Shack brochure. Transistors can be the most modern BC548 for NPN...
Sequential 100 LEDs (CB17483E)
This circuit causes the LEDs of an array of 100 LEDs to flash sequentially along the lines. The...