This low power bass booster is from the 1977 National Semiconductor Audio Handbook. The circuit is powered by 6 to 9 V voltages and the feedback determines the enhanced bass range.
This code practice oscillator was found in an English publication from the 80's. The circuit can...
This crystal oscillator is indicated for the calibration of IF steps of common radio receivers. The...
In the figure we have the simple way of controlling a load or having a signal from an optical...