PDF(4528 KB)
Design of a high-speed multi-channel synchronous acquisition system
DONG Weitao, WU Yunsheng, XU Li, ZHANG Chao, LI Hangyu
Integrated Circuits and Embedded Systems ›› 2025, Vol. 25 ›› Issue (10) : 55-60.
PDF(4528 KB)
PDF(4528 KB)
Design of a high-speed multi-channel synchronous acquisition system
For application scenarios requiring multi-channel high-speed acquisition and stable synchronization between channels, a multi-channel synchronous acquisition scheme based on Field-Programmable Gate Array (FPGA) is designed and implemented. This scheme adopts FPGA as the control and processing core, employs high-speed Analog-to-Digital Converters (ADC) to build sampling channels, and designs a stable clock and synchronization scheme, thus realizing a multi-channel synchronous acquisition system under high sampling rates. The feature of this solution is that it can monitor and adjust the synchronization status among multiple channels in real time, and it can be conveniently extended to synchronous acquisition among boards. The test results show that the data collected across all channels remains stably synchronized every time the system is powered on or off.
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