This circuit can be used as an answering password system in a store, office, or other location. The circuit is from Intersil using components of the time. The circuit is from the 80's.
April 2017 - New Texas Instruments DRV8x brush motor drivers for 1.7 to 8 A currents and voltages...
This circuit is from the 80's documentation. The integrated circuit is from the time but can be...
We found this amplifier in a 1990 documentation. The transistors are common, having been made...