The MC33079PG is a high quality monolithic quad Operational Amplifier employing bipolar technology with innovative high performance concepts for quality audio and data signal processing applications. This incorporates the use of high frequency PNP input transistors to produce amplifier exhibiting low input voltage noise with high gain bandwidth product and slew rate. The all NPN output stage exhibits no dead-band crossover distortion, large output voltage swing, excellent phase and gain margins, low open loop high frequency output impedance and symmetrical source and sink AC frequency performance.