This signal multiplexer circuit for early low-frequency oscilloscopes was found in the May 1977 issue of Radio Electronics magazine. The circuit requires a symmetrical source.
This memory flip-flop must be powered by 5V voltage. The circuit stores 1 bit. ...
Originally designed for use in an FM receiver, this 1990 circuit can be adapted for other types of...
This circuit, found in ancient US documentation, allows you to switch the antenna from the...