摘要:
This application report compares two possible blocking or coupling capacitor configurations for stereo headphone amplifiers operating from a single supply voltage. The report demonstrates that the standard two-capacitor configuration can be replaced by a single-capacitor configuration with little or no perceivable difference in sound quality. The primary advantage of a single-capacitor system is that only one large capacitor is required. In many compact multimedia systems like those in personal digital audio players, wireless phones, and personal digital assistants (PDA), these capacitors can be the largest components on the board. Therefore, eliminating one of the bulky coupling capacitors reduces cost and minimizes the area needed on the circuit board.
文档:sloa043.pdf
链接:http://www.ti.com.cn/general/cn/docs/litabsmultiplefilelist.tsp?literatureNumber=sloa043
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