This transistor amplifier was published in Radio Electronics magazine in July 1965. It used newly released silicon transistors with excellent sound quality.
This circuit was found in the November 1992 issue of Radio Electronics magazine. It uses...
This multivibrator has its frequency controlled by a crystal. Other frequencies can be generated by...
We found this preamplifier circuit with high input resistance, on the order of 30 M ohms, in an...