This 80's General Electric circuit is guarded by the noise-guard for operating current. The circuit has an input sensitivity of 3 pA. The font must be symmetrical.
This circuit was found in the October 1994 issue of Electronics Now magazine. The 40446 IC is a...
This car alarm was found in an American '80s documentation. The circuit automatically activates...
This circuit was obtained in an old Elektor. It is a reference, since the integrated products of the...