Found in a 1960s RCA manual, this circuit uses components from the era. For the indicated circuit R1 is 28ohm and R2 is 1 k.
This is a circuit with a period component that consisted of a voltage reference. The circuit is...
This experimental circuit was found in a technical publication from 1976. The diode can be of...
Tone controls for audio applications can also be considered filters that must attenuate certain...