Found in old American documentation, this receiver transmits signals via the power grid. We can use it on links or remote control. The components admit equivalents.
This circuit generates ladder-like signals whose frequency depends on R1 and C1. The unijunction...
WWV is the prefix for the United States' time and frequency patterns station. These signals can be used...
In this circuit, a switch, reed-switch or sensor is used to control a half-wave alternating...