X100 amplifier with the L161 (CB9011E)

This circuit is from old documentation. The operational amplifier is uncommon nowadays. The circuit has a gain x bandwidth of 20MHz.

Switching Regulator (CB5450E)
This switching regulator circuit with less than 100 mV ripple was found in a 1980s documentation. The...
Wien Bridge Oscillator (CB9040E)
This circuit has a frequency range of 30 Hz to 100 kHz with an output signal of 1 Vrms. We found...
100 Hz pulsed alarm 555 (CB8439E)
Using 555 integrated circuits, this alarm circuit was found in a 90s American documentation. The signal...