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 1957 Raytheon transistor manual. The diode can be of general-purpose...
The circuit presented shows how to use a diode in temperature compensation of a push-pull output...
The circuit shown is from National Semiconductor's Linear Applications Handbook, published in...