This circuit was found in documentation from the 90s, being indicated for the deflection of cathode ray tubes. It consists of a DC voltage amplifier and operates at frequencies up to 1 kHz.
In this circuit, a switch, reed-switch or sensor is used to control a half-wave alternating...
This residential alarm circuit was obtained in a 1991 publication, but it is still up to date due...
This circuit is from 1995 documentation. It consists of a battery of 4 instruments driven...