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.
We found this circuit in a French technical documentation from 1982. The circuit can be...
This circuit was found on an old EDN and can be used as a shield. Optical couplers are from the...
We found this circuit in a Hands On Electronics from the 90s. However, the circuit can still be...