LM1875 amplifier production ----- LM1875 Power Amplifier

LM1875 amplifier production, LM1875 Power Amplifier Keywords: LM1875 amplifier production LM1875 amplifier production LM1875 is a very old integrated block, but performance is very good, the voice has always been called, seeing a power amplifier doing abroad, has no double-sided PCB board, just a thoughtful thing for design, made The finished performance is very good, and people have to admire. Many of the domestic designs are double-sided PCB, because the wiring is simple, few people have spend my mind to design a single-sided PCB. The indicator given by this board will estimate the 1875 power amplifier of many panels. Frequency response range: 14Hz ~ 100kHz harmonic distortion: "0.04% signal-to-noise ratio: 105dB Rated output power: 20W Through the above circuits, several features of the circuit design: 1, signal ground and power supply add a 10-euro isolation resistor, which is beneficial to improve signal-to-noise ratio. 2, the split power supply, the rectification filter is another circuit board, which is conducive to improving the signal-to-noise ratio. 3, the input terminal adds the bandpass filtering circuit, which is used to filter out ultra-high and ultra-low signals, improve signal-to-noise ratio and prevent self-excitation. Be Be This is my reference to the PCB board design above, huh, it looks good! This is a power amplifier plate, putting the housing holder on the power board.

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