The coils of this circuit will determine the transmission frequency of this device. The circuit is from the 1960 Mullard transistor reference manual and makes use of germanium transistors.
This circuit has some differences from the conventional types of control in which the delay in the...
This interesting AC / AC converter is only indicated for resistive loads and was obtained in a...
This circuit consists of an electret microphone amplifier powered by a 12 V voltage. A regulator is...