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US5363061A Operational transconductance amplifier with matched outputs 失效
具有匹配输出的运算跨导放大器

Operational transconductance amplifier with matched outputs
摘要:
A multi-output integrated circuit amplifier (500) consists of a first primary current mirror (510), and a plurality of secondary current mirrors (520). The first primary current mirror (510) implemented in a single substrate and having a first primary input (511). The first primary current mirror (510) generates a plurality of first inverted primary current outputs in response to a first current signal coupled to the first primary input (511). The plurality of secondary current mirrors are implemented in the same single substrate and each has a secondary input coupled to a unique one of the plurality of primary current outputs of the first primary current mirror (510), each of said plurality of secondary current mirrors (520) having a gain, and each of said plurality of secondary current mirrors (520) generating an inverted secondary current output signal, the magnitude of which is determined substantially by the unique one of the plurality of primary current outputs coupled thereto and the gain thereof.
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