This circuit is from an article about operations in a Radio Electronics magazine from around 1968. The transistors are types of the time and the power is not the greatest.
This inverter circuit was found in a Radio Electronics. It shows the basic configuration of a...
This circuit was obtained from a Texas Instruments 1985 document. The circuit is powered by 1.5 V...
This circuit reproduces the dial noise in a small speaker. The transistor can be a general-purpose type....