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 simple circuit serves to demonstrate the working principle of a Set-Reset flip-flop (S-R or...
Found in Motorola documentation from the 1980s, this circuit employs an integrated device from...
This amplified circuit was found in a magazine for radio amateurs 73 of the 90s. The circuit uses an...