This circuit is from the Motorola Linear Databook of 1990 and can be implemented with other operational amplifiers. The power supply must be symmetrical.
Found in an Electronics World of 1968 this circuit can use any SCR and diodes depending on the...
This 1 kHz triggered oscillator was found in an Electronics Now from the 90s. The circuit fires off...
We found this amplifier in an English publication from 1993. The circuit can be assembled today...