readout_program/chapters/05-04-exct-waveform-store.md

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## 5.4. 波形仓库定义
* ASIC平台下每个时钟周期对应8个采样点采样点个数需要为8的整数倍数据更新率为6 Gsps每个采样点持续时间为167 皮秒(6 GS/s)。
* 在FPGA平台下每个时钟周期对应16个采样点采样点个数需要为16的整数倍数据更新率为 4 GSps每个采样点持续时间为250皮秒。
* 每个采样点为16比特的二进制补码数据
* 波形仓库的容量为128 KB在FPGA平台和ASIC平台下最大分别支持16 us和10 us波形输出。
对于EXCT输出频率$F_{out}$例如6.7 GHz在本振为$F_{LO}$(例如5.5GHz)本振频率下,
则存储区描绘的基带波形频率$F_{s}$为1.2 GHz $F_s = F_{out} - F_{LO}$。