We found this circuit in an Electronic Design from 1965. The 4-layer diode is an unusual component these days and can be used in its place with a diac.
This circuit is from a 1972 Motorola publication. Some of the used transistors can still be found,...
This circuit can be found in a 1970 Motorola documentation. The circuit can be implemented with general...
The voltage gain of the circuit shown in the figure is 10 times. This gain is given by the ratio...