In today's fast-paced technological landscape, the integration of automated instruments and control systems relies heavily on signal acquisition. As the speed and accuracy requirements of signals continue to rise, the challenge lies in efficiently and seamlessly incorporating this functionality into existing systems.
To address this need, ZLG Zhiyuan Electronics has developed the ZSDA1000 high-speed signal data acquisition module. This compact yet powerful device connects to the host via a PCI Express 2.0 interface, offering a 350 MHz bandwidth and a sampling rate of 1 GSa/s. With its dynamic link library (DLL), users can easily control data acquisition and processing, making it ideal for applications such as mass spectrometry, radar signal capture, and material analysis.
The ZSDA1000 is designed with a robust analog front-end that allows for precise signal conditioning. After the input signal is selected through channel coupling, it undergoes offset adjustment before being amplified and sent to the ADC and trigger module. The trigger module compares the signal against a set threshold, enabling accurate triggering for data capture. Once processed, the data is passed to the onboard FPGA for high-speed handling, ensuring real-time performance and efficient data transmission.
The overall architecture of the ZSDA1000 features an advanced FPGA as the central processor, responsible for managing ADC data acquisition, PCIe communication, and system control. It includes two high-speed 8-bit ADCs operating at 1 GSPS, along with 1 GB of DDR III memory for onboard storage. Communication between the module and the host computer is facilitated through a PCIe x4 interface, ensuring fast and reliable data transfer.
Key specifications of the ZSDA1000 include:
- Vertical resolution: 8 bits
- Maximum sampling rate: 1 GSa/CH
- Number of channels: 2 CH
- Signal input range: 100 mVpp to 5 Vpp
- Analog bandwidth: DC to 350 MHz
- Dead time: 10 μs
- Onboard memory: 1 GB DDR III
- Communication interface: PCI Express 2.0
One of the key applications of the ZSDA1000 is in mass spectrometers, where it plays a crucial role in converting physical characteristics into electrical signals. The ion detector generates varying voltage levels and timing information, which must be accurately captured and processed. The ZSDA1000 excels in this task, thanks to its wide analog bandwidth, high sampling rate, and extensive voltage range.
Under PC software control, the ZSDA1000 adjusts signal amplitude through attenuation and amplification, then sends the signal to the ADC for conversion. Simultaneously, the built-in trigger module ensures that only the relevant portions of the signal are captured, improving efficiency and data quality. The FPGA-based design enables real-time processing, including up to 65,535 averages, which helps reduce noise and enhance measurement accuracy.
With its high-performance capabilities, user-friendly interface, and comprehensive software support, the ZSDA1000 offers a fast and reliable solution for integrating high-speed signal acquisition into your system. Whether you're working on scientific research, industrial automation, or advanced instrumentation, this module provides the precision and flexibility needed to meet modern demands.
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