This General Electric circuit was found in a 1964 documentation. The circuit triggers a relay when the sensor is activated. Trigger adjustment is done in a trimpot.
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...