This circuit uses uncommon Texas Instruments components today. The circuit is from an American documentation. Transistors are commonly used PNP. The display is 7 segment multiplexed.
This circuit, from an American publication of 1974, provides a 0.005% regulation with a variation of...
This basic circuit is from an old documentation. The relay must be 50 mA maximum and must have a...
March 2017 - Texas Instruments LM5166 Synchronized Buck Converters are available at Mouser for 3V...