This is a precision half-wave rectifier, suggested by Texas Instruments. Diodes are commonly used, and resistors can have signal values. The power supply must be symmetrical.
This regulator for switching sources up to 3 A was suggested by the Linear Applications Handbook of...
This circuit provides a high intensity pulsating signal to a speaker. The circuit is from an...
This circuit was obtained in a 1998 publication, but it can be easily assembled. The circuit...