This symmetric 30 mA x 15 V power supply was found in the Ferranti transistor manual from 1974. Transistors are common types at the time.
This unit is intended for powering low consumption devices. The operating frequency is...
This high-power amplifier was found in 2001 documentation. The output transistors must be equipped...
July 2016 - It can be obtained from Mouser Electronics new trinkets Adafruit. These trinkets are...