Found in an Electronic Design from 1968 this circuit generates a linear sawtooth signal modulated by an input signal. The transistors are from the era.
This circuit was found in a 1966 EEE. Transistors support modern equivalents and the waveforms are...
This circuit is from an 80's component manual. The components are from the time, but the circuit...
This flasher with a small incandescent lamp was obtained in a documentation from the 80's. The...