This circuit was found in an Electronics World of 1968. Its purpose in triggering a relay when the circuit receives signals from a vibration sensor. The circuit is used in emergency situations.
This circuit allows linear brightness control of an LED from an input voltage. The power supply must...
This 3-and-a-half-digit voltmeter was obtained in a 1991 documentation. Actuating integrated...
We found this circuit in the Linear Applications Handbook of the National Semiconductor of 1994....