发明授权
US07535258B1 Programmable current output and common-mode voltage buffer 有权
可编程电流输出和共模电压缓冲器

Programmable current output and common-mode voltage buffer
摘要:
A buffer for a programmable logic device has programmable current sink and source circuitry and an independently programmable common-mode voltage reference source. An amplifier, responsive to a common-mode voltage detector and the voltage reference source, forces a common-mode voltage of an output signal from the buffer to approximate the voltage from the common-mode voltage reference source.
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