Found in the August 1993 Electronics Now magazine, this circuit employs two symmetrical source 741 op-amps. The output is fed to a true RMS measurement circuit.
This amplifier provides 20 W of power on each channel, containing separate filters to power a...
This circuit of a few watts of power shows a typical configuration from the 70s using driver and...
We found this circuit in a 1980s Motorola documentation. The circuit makes use of common operating...