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Posts tagged Op-Amp

Biquad Bandpass Filter System Schematic Block Diagram

The following schematic shows the system block diagram of 1 GHz Op amp-Based Bandpass Filter Chip. It relies on a 11-GHz unity-gain bandwidth, highly stable op amp implemented using a MOSHBT cascode stage with cascode p-MOSFET load and common-mode-feedback.

Circuit Diagram for Headphone Amplifier from RedCircuits

The following circuit diagram shows detail electrical schematic for high quality unit headphone amplifier. This circuit diagram consists of a log potentiometer, resistor, polyester capacitor, electrolytic capacitor, ceramic capacitor, low noise dual op-amp, NPN transistor and audio input socket. This headphone amplifier can be directly connected to CD players, tuners and tape recorders.