This circuit is from a Radio Electronics from the 90's. The integrated circuit is from the time and the boost gain is 20 dB.
The output transistor used in this amplifier must have Vce of at least 200 V and Ic of 1 A and...
This circuit is suggested by the Linear Applications Handbook of National Semiconductor, being used...
The circuit shown in the figure was found in the Linear Applications Handbook by National...