| 摘要 |
A signal amplifier circuit for USB port includes a USB controller, an amplifier circuit and a USB port. The USB controller includes a super speed transmitter differential pair and a super speed receiver differential pair. The amplifier circuit includes two first input terminals, two second input terminals, two first output terminals, and two second output terminals. The USB port includes two first differential signal receiving terminals and two first differential signal transmitting terminals. The super speed transmitter differential pair and the super speed receiver differential pair are electrically connected to the first input terminals and the second output terminals. The first output terminals and the second input terminals are electrically connected to the first differential signal receiving terminals and the first differential signal transmitting terminals. The amplifier circuit amplifies differential signals transmitted between the USB controller and the USB port.
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