由偏差和测量时间有限而引起的总误差与量化输入信号限幅电平有关。
The total error due to finite observation and bias is dependent on the limited level of the quantized input signal.
在此基础上提出了旨在减小杂散电平的电路优化设计方法，其中包括在满足上变额总增益要求的条件下，电路各级增益或衰减的配置、本振功率的确定等，最后给出应用实例。
On this base, the optimization of circuits for decreasing the spurious level including determination of stage gain. loss and LO power is proposed. Finially, the application example is given.
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