This is the typical circuit of a local oscillator for a superheterodyne FM receiver. The circuit was found in a 1980s documentation and is typical of early and early receivers.
This circuit generates a pulse of duration determined by the capacitor when an object interrupts the...
This inverter circuit was found in a Radio Electronics. It shows the basic configuration of a...
This was a very popular instrument in the workshops of the 60s and 70s. It was a "top of the line"...