Found in Popular Electronics from the 90s, this 1.5 A power supply can supply voltages selected by a switch. The splitter resistors determine the output steps.
This voltage regulator for automotive use was found in a Radio Electronics from the 80s. The Q3...
This instrument was found in a publication for radio amateurs in 1973. The tuned circuit consists of...
This circuit is found in a 2005 Linear Technology application manual. The circuit monitors the High...