This 2-tube amplifier was found in a Japanese publication of 1964. The circuit has excellent sound quality. The power supply is not given and must provide a voltage of 300 V.
Schmitt Triggers convert a signal of any waveshape in square signals or pulses. The circuit shown...
The transistors of this circuit may be the BC548 or BC549 and its power supply can be performed...
STMIcroelectronics automotive L9907 FET drivers can be purchased from Mouser Electronics. These...