Found in a 1967 EEE, this circuit generates a constant amplitude signal, stabilized by a zener diode. The circuit can operate with voltages from 18 to 22 V.
This amplifier uses common transistors in a phase inverter configuration. Transistors must be...
This circuit generates a linear ramp whose frequency depends on the capacitor and the setting. The...
We found this circuit in a Popular Electronics from the 90s. Transistors can be modern...