This circuit was suggested by General Electric in a 1969 documentation. The transistors are of the time and the power supply is not given. Note the high supply voltage.
Found in documentation from the 1980s, this amplifier uses an integrated circuit from the time....
This circuit is from a Radio Electronics from November 1957. The circuit uses a relay depending on the...
It is a simple blinker that simulates the action of an alarm when installed on the dashboard of a...