Found in American documentation from the 1980s, this circuit operates in the frequency range 0.5 to 20 MHz. The power can be between 5 and 15 V.
This circuit is from a 1995 Electronics Now. It generates a 1 kHz sinusoidal signal. See in the...
This circuit provides just over ½ W to a small speaker. We found this configuration in an old...
With a 120 ohms resistor this circuit can also be used as a shield for 3.3 V output voltages. The...