This circuit is from 1999 documentation. The integrated circuit used is not very common today. Both transistors are used if the motor current is greater than 500 mA.
In the figure we show how to add a 100k ohms potentiometer to implement an oscillator controlled by this...
In a reflex receiver, the detected audio signal is applied back to the circuit input to receive new...
The amplifier shown in figure 2 is based on the MAX9715 integrated circuit from Maxim...