AL8XGTE-3 高速数据采集卡 允许同时瞬态记录和读出捕获的数据

>>>>>型号:AL8XGTE-3  高速数据采集卡 允许同时瞬态记录和读出捕获的数据

【功能描述】

AL8XGTE-3 是一款高速数据采集卡，专为 PCI Express x1 总线设计。它针对高速瞬态捕获进行了优化，具有多种采样率和重复频率。

以下是关于 AL8XGTE-3 的一些主要特点和规格：

双通道 A/D 板：AL8XGTE-3 是一款双通道的 A/D 转换板，这意味着它可以同时处理两个输入通道的数据。

采样率：该卡支持多种采样率，包括 1、1.5、2 或 3 GSsamples/s。这意味着它可以以非常高的速度捕获和转换模拟信号。

大型双端口板载缓冲存储器：AL8XGTE-3 配备了一个大型的双端口板载缓冲存储器，允许同时瞬态记录和读出捕获的数据。这种设计可以确保在高速数据采集过程中不会出现数据丢失或延迟。

后处理部分：该卡还具有后处理部分，可以用于提取多个门的峰值信息。这对于需要精确测量和分析的应用非常有用。

数据传输：采样数据通过 PCI Express 总线传输到 PC 的主存储器中。这种传输方式具有非常高的速度，无需 CPU 干预即可实现高传输速率。

模拟输入特性：模拟输入采用直流耦合，并以 50 欧姆阻抗端接。这可以在超过 1 GHz 的整个模拟带宽内实现高信号保真度。输入电压范围可以在 125mVp-p 至 2Vp-p 范围内编程。

A/D 转换器：AL8XGTE-3 可以配置为具有一个或两个分辨率为 8 位的 A/D 转换器。当配置为两个 A/D 转换器时，它们可以同时对两个输入通道进行采样，也可以以交错方式在同一通道上使用两个 A/D 转换器，以实现 2.0 或 3.0 GSsamples/s 的有效采样率。

采样数据存储：采样数据存储在最多 4 Gsamples 的板载内存缓冲区中。这决定了采集的最大长度。

触发和重复率：该板准备好在上一次采集结束后约 2 微秒接受触发，这允许短时间采集的重复率远高于 100 kHz。

采样时钟：采样时钟在电路板上生成，不能在外部提供。

较低采样率：750、500、375、333、250 Msamples/s 低至 244 kSamples/s 的较低采样率是通过从缓冲存储器中读取采样数据时抽取采样数据而创建的。从缓冲存储器中读取数据与采集同时进行，不会影响重复率。

【英文介绍】

The AL8XGTE-3 is a high-speed data acquisition card designed for the PCI Express x1 bus. It is optimized for high-speed transient capture with a variety of sampling rates and repetition rates.

Here are some of the key features and specifications of the AL8XGTE-3:

Dual-channel A/D board: The AL8XGTE-3 is A dual-channel A/D conversion board, which means it can process data from two input channels simultaneously.

Sample rate: The card supports a variety of sample rates, including 1, 1.5, 2 or 3 GSsamples/s. This means that it can capture and convert analog signals at very high speeds.

Large dual-port onboard buffer memory: The AL8XGTE-3 is equipped with a large dual-port onboard buffer memory that allows simultaneous transient recording and readout of captured data. This design ensures that there is no data loss or delay during high-speed data acquisition.

Post-processing part: The card also has a post-processing part that can be used to extract peak information for multiple gates. This is useful for applications that require accurate measurement and analysis.

Data transfer: The sampled data is transferred to the PC's main memory via the PCI Express bus. This transfer method has a very high speed, and high transfer rates can be achieved without CPU intervention.

Analog input characteristics: The analog input is DC coupled and terminated with a 50 ohm impedance. This enables high signal fidelity over the entire analog bandwidth of more than 1 GHz. The input voltage range can be programmed from 125mVp-p to 2Vp-p.

A/D converters: The AL8XGTE-3 can be configured to have one or two 8-bit resolution A/D converters. When configured as two A/D converters, they can sample both input channels at the same time, or they can use two A/D converters on the same channel in an interlaced fashion to achieve an effective sampling rate of 2.0 or 3.0 GSsamples/s.

Sample data store: The sample data is stored in an on-board memory buffer of up to 4 Gsamples. This determines the maximum length of the collection.

Trigger and repetition rate: The board is ready to receive a trigger about 2 microseconds after the last acquisition has ended, which allows for a repetition rate of much higher than 100 kHz for a short acquisition.

Sampling clock: The sampling clock is generated on the board and cannot be provided externally.

Lower sample rates: 750, 500, 375, 333, 250 Msamples/s Lower sample rates as low as 244 kSamples/s are created by extracting sample data when reading it from buffer memory. Reading data from the buffer is done at the same time as the acquisition without affecting the repetition rate.

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