论文部分内容阅读
增益比较器是瞬时浮点放大器的核心部件,它在工作时既考虑子样电压的现时值,又考虑其未来预测值,这样做的目的是为了防止出现飞点。本文以DFS—V和SN338仪器为例,对时间预测和记录精度进行了较深入的研究,指出了时间预测对记录精度的不利影响,这种不利影响是由于预测时间过长和子样电压现时值参加比较造成的。本文设计一种单极性比较器,在该比较器中参加比较的子祥电压只是预测值,而且预测时间可以连续地调整到最佳状态,既可以防止出现飞点又能确保记录精度。
The gain comparator is a core part of an instantaneous floating-point amplifier. It takes into account both the present value of the sub-sample voltage and its future predicted value at operation, in order to prevent the occurrence of flying spots. In this paper, DFS-V and SN338 instruments, for example, to conduct a more in-depth study of time prediction and recording accuracy, pointed out that the impact of time prediction on the recording accuracy, this adverse effect is due to the prediction time is too long and the current value of the sub-sample voltage Participate in comparison caused. In this paper, a unipolar comparator is designed in which the comparators involved in the comparison are only predicted values, and the prediction time can be continuously adjusted to the optimum state, preventing the occurrence of flying spots and ensuring the recording accuracy.