This circuit was found in the January 1989 issue of Radio Electronics magazine. The circuit sends audio signals by modulating a low-frequency carrier through the power grid.
The gain of this amplifier is 10 times and the excursion to the output voltage is 6.0 V (peak to...
Using a 4046 PLL this circuit generates rectangular signals in three wavebands that depend on the...
The gated oscillator in the figure bellow tums on when a “0" Iogic Ievel is applied to its input....