Found in a 1967 General Electric documentation this circuit uses unijunction transistors that may be equivalent to those indicated. The number of stages can be modified.
A high-frequency square wave oscillator using an LC-tuned circuit is shown bellow. The upper...
This circuit can operate with 5 uV to 1 mV input signals from low impedance sources such as...
This amplifier with an OTA has a gain of 40 dB. The power supply must be symmetrical. Found in...