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.
This circuit was found in a 1980 publication. It uses only 3 easily obtainable transistors. It is a...
ON Semiconductor AMIS−3910XGEVB Evaluation Board demonstrates the features and capabilities of the...
The purpose of the practical circuit shown in the figure is to generate a pulse of programmed...