This transformerless 16-ohm speaker circuit was found in a Radio Electronics from October 1963. The circuit is powered by 12 V and the gain is 50 dB.
The 50 kHz signal generated by this circuit is applied to a low impedance inductive transducer. A...
This circuit can also use other series operational amplifiers such as MC33172, MC33174, MC35171,...
This circuit was found in an Analog Devices publication from the 1990s. The circuit performs input...