Relaxation Neon Oscillator (T1248E)

This well-known neon lamp relaxation oscillator setup was found in a 1948 documentation. The circuit is intended to be used as a signal injector.

Dual Voltage Reference LT1112 (CB4924E)
We found this circuit in an American 80's documentation. The resistors must be of high precision...
Static switch (CB7294E)
This circuit was suggested by General Electric in documentation from the 80s. SCRs are common...
Colpitts Oscillator (CB4735E)
This is a possible setting for a Colpitts oscillator operating in the audio track. The shunt coil...