Ripple Filter (CB6724E)

This circuit was found in a Delco 1965 publication. Transistors may be current equivalents according to the desired output voltage and current.

| Clique na imagem para ampliar |

Simple Timer 555 (CB19025E)
This timer was found in the Texas Instruments 1996 linear applications manual. The relay must be...
Photoelectric comparator (CB7508E)
This circuit compares two light intensities, providing the indication on an analog instrument. The...
Transistor Voltmeter (CB16238E)
This circuit was obtained in a 1983 publication. It is a 1-transistor voltmeter, capable of...