We found this circuit in a 1964 Electronic Design. It provides 0.5 V signals from 4 kHz subcarriers. Transistors are from the era.
Using 3 ports, this rectangular oscillator was found in the March 1996 issue of Electronics Now...
This circuit for analog video signals was obtained from a Linear Technology documentation from the 1990s. The...
The circuit shown simulates a programmable unijunction transistor (PUT). Transistors may be common...