U1084A Acqiris High-Speed PCIe Digitizer with On-Board Signal Processing

Main Features

• Highly flexible, high-speed data acquisition card with on-board FPGA for real-time data processing
• Dual- and single-channel acquisition modes
• Up to 4 GS/s sampling rate
• Up to 1.5 GHz bandwidth
• Processing memory options up to 512 MB
• High-speed PCI Express x4 bus transfers data up to 520 MB/s to a host processor
• Fully featured 50 Ω front-end with programmable full-scale, offset, and internal calibration
• Complete pre- and post-triggering
• Six I/O connectors for trigger, clock, reference, and control signals
• Built-in 15 ps Trigger Time Interpolator (TTI) for accurate timing measurements
• Low total power consumption
• Device drivers for 32- and 64-bit Windows and Linux
• Application code examples for C/C++

Keysight Acqiris High-Speed Digitizers

The proprietary ASICs in Keysight Acqiris high-speed digitizers are designed for the specific purpose of optimizing high-speed ADC performance. The analog front-end technology provides signal conditioning, amplification, and interleaving functions essential for achieving high-speed data acquisition at GS/s rates. The digital data handling components provide vital clock and synchronization signals to capture and memorize acquired data with maximum data throughput. Together these ASICS make low-power, high-fidelity data acquisition much more accessible and provide maximum data throughput to the host PC or processor to reduce the time and cost of measurement.

The Acqiris product line provides a range of high-speed digitizer cards with 8-, 10-, and 12-bit resolution, wide bandwidth, and large acquisition memory. These products, are used in research, and in ATE and OEM applications in industries such as biotechnol­ogy, semiconductors, aerospace, physics, and astronomy.

Embedding Extreme Data Acquisition into your System

The Keysight U1084A Acqiris high-speed data acquisition card allows you to leverage the performance of our leading edge technology and know-how to meet your most demanding requirements.

By integrating our proprietary technology into a standard PCIe card format, we help you reduce the risk associated with new product development, providing a state-of-the-art digitizer front-end that is easily integrated into more complex systems. This principle of using standardized, off-the-shelf, data conversion and signal processing platforms ensures cost-effectiveness, system longevity, and system flexibility, at low risk. Keysight high-speed digitizer products provide consistent quality and reliability you can depend upon.

Compliance, Reliability and Accuracy

As it is designed for OEM use, embedded in equipment that may well fall under RoHS compliance, the U1084A product uses only lead free components and non-toxic methods, to be fully RoHS compliant.

Using Keysight technology and know-how the component count on U1084A is kept to a minimum, increasing the opera­tional reliability of the card, and maximizing analog and digital performance.

Analog performance of the U1084A is such that maximum measurement accuracy performance is obtained over the full bandwidth of the analog front end. Lower noise and more effective bits mean less repeated measurements, reducing measurement time and lowering cost per measurement.

High-Speed Digitizers with Real-Time Analysis

The Keysight U1084A Acqiris high-speed digitizer is a dual-channel, 8-bit PCIe digitizer card with an on-board, high-speed, field programmable gate array (FPGA) component that is used for real-time data processing tasks. Featuring 4 GS/s sampling rates, the digitizer provides on-board real-time signal processing firmware for on-the-fly signal averaging.

Four firmware options allow the digitizer card to perform specific post-processing tasks which are easily uploaded into the FPGA under program control. The firmware options redefine the way in which data acquisition can be performed, allowing extremely flexible and easy reconfiguration for optimum data analysis.

Using the PCI Express® (PCIe®) bus maximizes the data through­put. Implemented in the base product as a 4-lane PCIe 1.1 card, the U1084A products provide data throughput at up to 520 MB/s

High-Speed Digitizer with On-Board Signal Processing

Front end mezzanine with ADC

The analog mezzanine contains the analog signal conditioning (amplification, offset, and channel interleaving) as well as the analog-to-digital converter (ADC) component. Impedance on the two input channels (CH1, CH2) is fixed at 50 Ω ± 1%. Either input can be used as a trigger source.

Normally the two channel inputs are sent to their dedicated ADCs and simultaneously sampled at 2 GS/s. Alternatively, with channel interleaving, the signal from either one of the channels can be sent to both ADCs to achieve sampling rates of up to 4 GS/s.

Trigger and clock

The trigger and clock circuitry provides access to trigger input and output as well as reference clock input. The clock circuit provides calibration signals and ADC clock signals for the analog mezzanine as well as the FPGA for data processing. The built-in 15 ps trigger time interpolator (TTI) allows for accurate timing measurements.

I/O control

Control over the trigger, time base, and data processing is made even more flexible by the addition of front-panel input/output connections.

The six MCX-type front-panel connectors can support an external clock (up to 2 GHz) or reference signal (10 MHz), an external trigger input, a trigger output, and three additional I/O digital control lines (I/O A, B, and C). The latter can be used for monitoring or modifying the card’s status and configuration. Trigger output can also be used as an I/O control.

PCI Express

The use of the PCIe x4 allows data rates up to 520 MB/s, increasing throughput to reduce measurement time over traditional PCI based technologies

Flexible data processing

The FPGA provides capacity for real-time processing of the acquired data. The firmware options loaded into the processing FPGA can provide either:

• Basic high-speed digitization with long acquisition memory (-DGT)
• Adding simultaneous acquisition and readout (-DGS)
• Real-time sampling and averaging (-AVG)

Compliance and reliability

The card uses only lead free components and non-toxic methods, to be fully RoHS com­pliant. Component count is kept to a minimum, increasing the operational reliability