This circuit was found in an Elektor from the 90s. The circuit is critical, requiring a very well-planned layout for correct operation.
The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a...
This is a circuit for testing small lamps and LEDs. The lamps that can be tested are the ones...
This TTL circuit generates an 18 MHz signal modulated at 300 Hz. Its main use is as a test...