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LOW-POWER HIGH-SWING PAM4/PAM8 FAST DRIVER
LOW-POWER HIGH-SWING PAM4/PAM8 FAST DRIVER
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机译:低功耗高摆幅PAM4 / PAM8快速驱动器
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摘要
A driver for performing efficient low-power high-swing modulation, which comprises a first plurality of N controllable switching elements and introducing low impedance between the contacts in response to a low control level and vice versa; a second plurality of N controllable switching elements and introducing high impedance between the contacts in response to a low control level and vice versa; a DC power supply for feeding the driver, the positive port of which is connected to the common contact of the first plurality and the negative port of which is connected to the common contact of the second plurality; a plurality of N voltage dividers, each divider consisting of two serially connected resistors connecting between a free contact of a controllable switching element from the first plurality and a free contact of a controllable switching element from the second plurality, where each two controllable switching elements connected by a voltage divider forming a pair; a plurality of N control inputs, each of which jointly controlling the control inputs of a different pair; and a common output connecting between all N common points of all pairs of serially connected resistors forming the N voltage dividers.
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