This old 1967 audio preamp uses germanium transistors. It was found in Japanese documentation at the time and has a gain of 70 dB, being powered by p V. The input sensitivity is only 12 mV.
This circuit generates a PWM control signal using TTL logic. We found this configuration in a 1976...
Applying a high voltage to a mixed lamp can obtain a bluish light with a decorative effect. This...
January 2017 - Mouser Electgronics has in its inventory the new CoolMOS transistors from Infineon to...