This two-year-80s circuit consists of a solution for a small portable recorder powered by cells, as it was used at the time. The circuit can serve as a reference for the recovery of old equipment.
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....