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 |

Regulated power supply (CB23598E)
Using power transistors of the time, this source was published in Radio Electronics magazine in...
Phase Shift Oscillator (CB25642E)
The network formed by resistors and capacitors determines the frequency of this sinusoidal...
Parallel Port Optical Sensor (CB15666E)
The sensor in this circuit is an LDR and the potentiometer serves to control the sensitivity...