| 摘要 |
Examples of systems and methods are provided for tracking-and-holding an input signal. The system may produce a pair of differential voltage outputs responsive to a pair of differential voltage inputs. The system may couple, in response to a clock signal, an input amplifier circuit to an output circuit or decouple the input amplifier circuit from the output circuit. The system may couple the input amplifier to an electrical ground. The system may track values of a pair of differential voltage outputs when a switching circuit is in a closed position and to hold the values of the pair of differential voltage outputs constant when the switching circuit is in an open position.
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