Low frequency multiplier (CB8239E)

This circuit was found in a 90s Electronic Design. The integrated circuits are from that time. Frequency multiplication can be done for odd integers.

| Clique na imagem para ampliar |

Temperature Sensor I (CB5050E)
Taking advantage of the comparator setting, we can use the Norton amplifier as an over temperature...
Light Activated AC Switch (CB25875E)
Using a CA3059 this circuit was found in the July 1995 Electronics Now magazine. The triac must be...
Audio Wattmeter (CB826E)
This circuit can measure audio output power up to 50 W. The circuit is wired to the output of an...