In today’s fast-paced technological landscape, the need for efficient signal acquisition has never been more critical. With automated systems and control mechanisms becoming increasingly sophisticated, the speed and accuracy of signal collection have risen significantly. The challenge lies in seamlessly integrating high-speed data acquisition into existing systems—quickly, easily, and effectively.
ZSDA1000 is a high-performance signal data acquisition module developed by ZLG Zhiyuan Electronics. It connects to the host system via a PCI Express 2.0 interface, offering a bandwidth of 350 MHz and a sampling rate of up to 1 GSa/s. This module simplifies the integration process, as users can dynamically control data acquisition and processing through a dynamic link library (DLL). It is ideal for applications such as mass spectrometry, radar signal capture, and material analysis, where precision and speed are essential.
The ZSDA1000 features a robust analog front-end that allows for flexible signal handling. After the input signal is selected and adjusted for vertical offset, it is amplified and sent to the ADC and trigger module. The trigger module compares the signal against a set threshold, enabling precise control over when data is captured. Once processed, the data is sent to the onboard FPGA for real-time analysis and storage.
Figure 1 shows the physical layout of the ZSDA1000 module, while Figure 2 illustrates the analog block diagram. The overall architecture, shown in Figure 3, highlights the use of an advanced FPGA as the core processor. This FPGA manages high-speed ADC data reading, PCIe communication, and system control. The ADC used is a dual-channel 8-bit high-speed converter with a sampling rate of 1.0 GSPS. The module also includes 1 GB of DDR III memory for efficient data buffering and transmission.
Key performance specifications 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 ZSDA1000 is in mass spectrometers, which are used to analyze the composition of substances by separating ions based on their mass-to-charge ratio. In this process, the ion source generates charged particles, which are then analyzed by the mass analyzer and detected by the ion detector. The signals from the detector vary widely in amplitude and timing, depending on the sample being analyzed.
To accurately convert these signals into digital form, the acquisition system must offer high bandwidth, high sampling rates, and wide voltage ranges. ZSDA1000 excels in this regard, delivering exceptional precision and speed. Under PC software control, it automatically adjusts gain based on the input signal level, ensuring accurate digitization. The built-in trigger module ensures that only relevant data is captured, improving efficiency and reducing unnecessary data processing.
The FPGA-based design enables real-time data reception, storage, and mathematical processing. ZSDA1000 can process up to 65,535 averages, which helps reduce noise and improve measurement accuracy. Its PCI Express 2.0 interface and comprehensive software support make it easy to integrate into various systems, shortening development cycles and enhancing user experience.
Whether you're working on scientific instruments, industrial automation, or high-speed data analysis, ZSDA1000 offers a powerful and flexible solution for high-speed signal acquisition. With its combination of performance, ease of use, and versatility, it's the ideal choice for engineers looking to quickly implement advanced data acquisition capabilities.
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