This 5 W transistor amplifier for the car was found in an English documentation from 1969. The transistors are from that time and the transformer is of a special type.
For a negative voltage of -48 V, this circuit from the 2005 Linear Technology manual makes use of an...
This circuit is indicated to power TTL circuits with current drains up to 500 mA. The transistor...
The number of pulses produced by this circuit depends on the switch pressed. The circuit is from...