This circuit is from the 1992 Radio Electronics Handbook. The components used are from the period, with emphasis on the 2-digit display driver.
This circuit has a thermal chamber that acts as a stabilizer, compensating for the ambient...
Other operational amplifiers in the series, such as the MC34072, MC34074, MC35071, MC35072,...
September 2017 - Texas Instruments' new TPS720 and TPS720-Q1 low dropout voltage (LDO) linear...