This circuit provides a 5 V negative output with a maximum current of 1 A. The circuit is from the 1993 Linear Technology Applications and uses common components at the time.
This circuit was found in Popular Electronics. Its purpose is to warn the visually impaired when a glass...
This circuit was obtained from a Popular Electronics from January 1967. It has a...
This ultrasonic transmitter was found in a 1974 documentation. The receiver is the CIR11753 or...