This circuit is from Motorola's 1990 Linear Databook. The circuit employs a component that is no longer common today.
The current drained by this circuit, from a 1976 documentation, is 3 mA and the cut-off frequency is...
Based on the MC1488 or MC1489 operational amplifiers, this circuit has a 5000V isolation driving a...
With its high power and high performance, this power amplifier is ideal for high quality sound...