This TTL delay circuit has long delay times which can be determined by R1 and C1. The base is in common TTL and Maxim's MAX907.
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...