This is a battery powered 3W power amplifier using germanium transistors. The circuit is from an English documentation from 1967. The transistors are from the time.
This circuit is the version of the previous circuit with a single source. The transistors are...
This circuit, which generates a linear sawtooth signal, can be used in a frequency-band...
This 5.1 MHz oscillator was found in a 1980s American documentation. The used operational...