This high input impedance tone control circuit was found in American documentation from the 1980s. Equivalent operational amplifiers and FTEs can be used.
We found this circuit in a 1964 publication. The circuit is both an amplifier and an oscillator for the...
This circuit was obtained from the 2005 manual of Linear Technology LT1306. The formulas for...
This is a traditional complementary configuration that provides good audio power with excellent...