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- W2146850032 abstract "To minimize the effect of cross talk in monolithic stereo class D power amplifier, one improved scheme in stereo application with dual-chips is presented. Pulse Width Modulation (PWM) in master and salve chip should be synchronized each other for decreasing distortion, so a Phase Locked Loop (PLL) -based synchronous oscillator is designed in class-D power amplifier chip. When power supply is 5.5V, input frequency is 1KHz and output power is 3.7W in 4 Ohm load, the Total Harmonic Noise (THD) of amplifier is less than 1% and efficiency is about 90%. The class-D amplifier quiescent current is 1.9mA and shutdown quiescent current is 0.5μA." @default.
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- W2146850032 date "2009-10-01" @default.
- W2146850032 modified "2023-09-23" @default.
- W2146850032 title "Design of PLL-Based Synchronous PWM Oscillator in Class-D Power Amplifier" @default.
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- W2146850032 doi "https://doi.org/10.1109/cisp.2009.5304837" @default.
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