Integrator (CB23711E)

This pulse integrator was found in Radio Electronics magazine from November 1960. The components are from the time, especially the integrating diode.

Binary Divider (CB6609E)
This circuit was obtained from a 1967 General Electric documentation. The circuit makes use of...
TTL Astable 7401 (CB19417E)
This configuration uses the 4 gates of a 7401 integrated circuit. The capacitors determine the...
60 Hz Rejector Filter (CB13588E)
This filter can be used to eliminate hum in sound equipment. Operational amplifiers can be 741 and...