This circuit was found in an old documentation for radio amateurs. The circuit makes use of an uncommon integrated today. The circuit converts telegraph signals to be used on the computer.
This amplifier provides a maximum power of 7 W, depending on the supply voltage. The integrated...
Found in a 90s R-E Experimenters Handbook, this circuit amplifies signals from 100 Hz to 3 MHz....
The gated oscillator in the figure bellow tums on when a “0" Iogic Ievel is applied to its input....