This circuit was suggested by a 1967 General Electric manual. The waveforms of the generated signals are shown next to the diagram. Equivalent modern SCRs can be used.
The transmitter can be that of CB9574E. This receiver uses a PLL to directly trigger a sensitive relay....
This circuit can be used in alarms to generate a warning signal. The circuit is from a 1960s...
Author: Newton C. Braga Published:August 1, 1998 Formato:Book and e-Book Pages:...