• Stereo Sound

    Stereo Sound
    Definition of stereo In fact, the natural sound we hear in daily life is stereo. However, the stereo sound in audio technology is not natural sound, but the sound obtained through recording, transmission and playback systems. In order for the listener to get the impression of the spatial distribution of sound and produce a sense of presence and three-dimensionality, it needs to undergo some...
  • TPA311x Introduction

    TPA311x Introduction
    TPA311x series analog input audio power amplifier is a small and medium power Class D audio power amplifier product launched by Texas Instruments. This product has SpeakerGuard ™ protection function and excellent EMI performance. It is very suitable for use in products such as flat-screen TVs and iPhone Docking. This article analyzes the principles and solutions of common POP sounds in combination with practical...
  • Precautions for making power amplifier

    Precautions for making power amplifier
    To make a power amplifier is not a simple matter. First, we must understand some basic requirements, then the manufacturing process, and finally the circuit design. Three basic requirements for making power amplifiers Have enough output power The 3dB pass band is 300 ~ 3400Hz, the output sine signal has no obvious distortion Maximum undistorted output power ≥1W Input impedance> 10kΩ, voltage magnification is...
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