全差分运放(fully differential operation)相对于单端输出电路来说，不仅输出摆幅更大、共模噪声抑制更好，还能消除高阶谐波失真。
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全差分运算跨导放大器 Fully-differential OTA
在带宽限制放大器电路的设计中使用了全差分运放结构，能有效抑制电路的共模噪声。
A fully differential operational amplifier is introduced in the design of wideband limiting amplifier which can restrain the common noise effectively.
在电路设计中主要包括开关电容采样的全差分运放组成的采保增益电路和两相时钟控制的带预放大器的锁存比较器。
The key circuit design includes a sample-and-hold gain circuit using switched-capacitor to sample or hold the signal and a preamplifier-latch comparator using two-phase clock.
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