Each power amplifier is biased from a common internal regulator to provide high power supply rejection, and output Q point centering. The LM1877 is internally compensated for all gains greater than 10 ...

Andy recommends favorite resources for basic op amp circuits and includes a portion of TI's AN-20. Test your knowledge with our op amp quiz; answer explanations are included.

A new book authored by Robert N. Buono delves deeply into Class-D amplifiers, a crucial technology in audio designs. Buono ...

This year we have the evocatively titled Hi Power, and it looks pretty sweet, too. The Hi Power is pedal that is explicitly based on the Coloursound Power Boost and a 1970s Hiwatt tube amp, and ...

Also, the composite buffer in Figure 2 completely eliminates power-dissipation-related errors in the op-amp input.1 C9 and C10 can be replaced by adjustable shunt regulators and R3 and R4 by ...