High impedance stage (CB20564E)

This high input impedance amplifier stage was found in a 1963 documentation. The transistor germanium of the time.

12 V to 10 A power supply (CB1219E)
This power supply can provide 10 A currents. Its regulation is made by 7812 integrated circuit. The...
20 mA Current Source (CB13423E)
This source of constant current was obtained in an American documentation of 1973. The transistors can be...
MP23AB01DH Analog and Digital Audio MEMs Microphone - STMicroelctronics
In the MEMs line of the ST available on Mouser Electronics we highlight the MP23AB01DH audio...