This car anti-theft circuit is from a Radio Electronics magazine from May 1986. The circuit inhibits the ignition system of cars with mechanical switching systems.
This circuit is from a 1978 publication, being connected to the contact breaker of cars that still...
Factor Q measures the selectivirty of a resonant circuit and also receivers. This circuits cen...
This circuit generates a 5.3 kHz linear ramp with the indicated components. The 7555 is the CMOS...