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.
In the figure we show another configuration for a crystal-controlled overtone oscillator using a...
This circuit tests the offset current of an operational with the aid of an oscilloscope. The...
This capacitor leak detector was found at Popular Electronics in June 1991. The magazine no longer...