Found in a 1967 EEE, this circuit generates a constant amplitude signal, stabilized by a zener diode. The circuit can operate with voltages from 18 to 22 V.
Found in documentation from the 90s, this circuit makes use of components from the period....
The operational of this amplifier can be the 741 and the resistors R1 and R3 are of 10 k. R2B is...
This circuit immobilizes a vehicle approximately 1 minute after the theft. The circuit can also be...