Description

Acquisition Logic AL81G is a high-performance 1 GHz A/D converter board manufactured by Acquisition Logic(now part of UTEX Scientific Instruments).This single channel analog input board is designed specifically for high-speed data acquisition applications,capable of converting analog signals into digital data at extremely high sampling rates and resolutions.It plays a key role in scientific research,detection,and industrial fields that require precise and fast digital signal processing.

The core function of AL81G lies in its excellent analog-to-digital conversion capability,which can capture transient signals at a sampling rate of 1 GigaSample/second(GS/s)and 8-bit resolution.It is equipped with 64 MSamples(optional 256 MB)onboard acquisition memory,capable of storing large amounts of transient data and supporting fast data offloading while collecting,which is crucial for sustained high-speed data streams.The board is connected to the host system through a PCI interface and supports DMA(Direct Memory Access)transfer,maximizing data transfer efficiency.

This module is commonly used in applications that require high-resolution,high-speed signal digitization,such as ultrasonic testing,high-frequency signal analysis,radar,communication systems,and other scenarios that require capturing rapidly changing analog waveforms.

AL81G ACQUISITIONLOGIC

technical specifications

Product model:AL81G

Manufacturer:Acquisition Logic(UTEX Scientific Instruments)

Product type:1 GHz A/D converter board/high-speed data acquisition module

Number of channels:Single channel analog input

Sampling rate:1 GigaSample/second(GS/s)

Resolution:8-bit

Input impedance:50 Ohm

Input range:125 mV,250 mV,500 mV,1V(peak to peak value,selectable)

Bandwidth:DC to 350 MHz

Onboard memory:64 MSamples(standard),optional 256 MB

Interface type:PCI bus(32-bit,33 MHz)

Data transfer:PCI main mode operation,DMA transfer(supports Scatter/Gather),burst transfer rate up to 133 Mbytes/second

Connectors:BNC(analog signal input),BNC(trigger input/output)

Trigger source:signal threshold trigger,encoder trigger,software trigger,internal trigger,external trigger

DSP functions:interpolation(x2 and x4),programmable peak detector,fine offset and gain control

Power consumption:+5.0 V 2.0A;+3.3V 4.5A;+12V 0.1A;-12V 0.1A

Size:Approximately 9.35 inches x 4.2 inches(PCI card size)

Working temperature:0°C to+60°C

Storage temperature:-40°C to+85°C

Operating system support:Windows OS(requires installation of AL.net API and drivers)

Main features and advantages

The Acquisition Logic AL81G 1 GHz A/D converter board demonstrates significant advantages in various high-frequency and high-speed data acquisition applications due to its excellent performance and flexibility.

Ultra high speed and high-resolution data acquisition:The AL81G is capable of data acquisition at an astonishing 1 GigaSample/second sampling rate and provides 8-bit resolution.This feature enables it to accurately capture rapidly changing transient analog signals,which is crucial for applications such as high-frequency ultrasound,radar signals,and high-speed communication waveforms.A high sampling rate ensures the complete preservation of signal details,while 8-bit resolution provides sufficient dynamic range,suitable for various measurement and analysis scenarios.

Large capacity onboard memory and efficient data transfer:The board is equipped with 64 MSamples(optional 256 MB)onboard acquisition memory,which can record high sampling rate data for a long time.More importantly,it supports fast offloading while acquiring data during data collection,greatly enhancing the system’s real-time processing capability and data throughput.Through the PCI interface and DMA(Direct Memory Access)transfer mode,AL81G can achieve a PCI burst transfer rate of up to 133 Mbytes/second,effectively reducing the burden on the host CPU and ensuring efficient and lossless data transfer from the board to the host memory.

Flexible triggering options and signal processing functions:AL81G provides a variety of flexible triggering sources,including signal threshold triggering,encoder triggering,software triggering,internal triggering,and external triggering,which can meet the triggering needs of various complex applications.In addition,the board also integrates digital signal processing(DSP)functions such as interpolation(x2 and x4),programmable peak detectors,and fine offset and gain control.These functions enable preliminary processing of raw data at the board level,further optimizing data quality and reducing the processing load on the host system.

Industrial grade design and wide compatibility:AL81G adopts industrial grade design to ensure stable operation in challenging environments.It simulates signals and triggers input/output through BNC connectors,making it easy to connect with various standard testing equipment and sensors.As a PCI board,it is compatible with mainstream industrial computer systems and simplifies integration and development under operating systems such as Windows by providing corresponding driver and API support.

AL81G ACQUISITIONLOGIC

application area

The Acquisition Logic AL81G 1 GHz A/D converter board is widely used in multiple technically demanding fields due to its outstanding capabilities in high-speed and high-precision data acquisition

In the field of non-destructive testing(NDT),especially ultrasonic testing and imaging,AL81G is the core component.It can digitize ultrasonic pulse/echo signals with high precision,thereby achieving:

High resolution automated scanner:used to detect internal defects(such as cracks,inclusions)in materials and provide detailed internal structural images.

High resolution thickness measurement:Accurately measure the thickness of thin layer materials,such as coatings and films.

Defect detection in advanced metals,coatings,and laminates:capable of capturing weak ultrasonic signals generated by small defects.

Ultrasonic microscope:used for surface and near surface defect detection with sub micron resolution.

Laboratory scanning system:Conduct material characterization and defect analysis in the research and development environment.

In scientific research and laboratory applications,AL81G is used for:

Transient signal analysis:Capture and analyze rapidly changing physical phenomena,such as laser pulses,electromagnetic waves,shock waves,etc.

High frequency sensor signal acquisition:Connect to various high-frequency sensors,such as pressure sensors,accelerometers,etc.,for accurate data recording.

Signal integrity testing:used in electronic design and testing to verify the signal performance of circuits.

In communication and radar systems,it can be used for:

High frequency signal digitization:used for baseband signal acquisition in SDR(Software Defined Radio),radar signal processing,and communication systems.

Pulse analysis:Detailed time-domain and frequency-domain analysis of radar echoes or communication pulses.

Related products

UTEX Scientific Instruments Pulser Receivers(such as UT340):These are ultrasonic pulse transmitters/receivers used in close cooperation with AL81G to generate and receive ultrasonic signals,which are then digitized by AL81G.

UTEX Winsect/InspectionWare software:These are professional ultrasound data acquisition and analysis software provided by UTEX,used to control the AL81G board and process,image,and report the collected ultrasound data.

Other high-resolution A/D converter boards:There are other brands and models of high-speed A/D converter boards on the market,such as those from National Instruments,Spectrum Instrumentation,etc.,which may have similar performance parameters or specific application optimizations.

PCIe data acquisition card:With the popularity of PCIe interface,many modern high-speed data acquisition cards have turned to PCIe interface to provide higher data transmission bandwidth.

Industrial PC or embedded system:AL81G,as a PCI board,is usually installed in industrial PCs or embedded motherboards running Windows operating systems.

Signal generator and oscilloscope:commonly used laboratory equipment for testing and calibrating AL81G.

Installation and maintenance

Preparation before installation:Before installing the Acquisition Logic AL81G 1 GHz A/D converter board,please strictly follow all electrical safety regulations and the detailed installation manual provided by the manufacturer(UTEX Scientific Instruments or Acquisition Logic).Ensure that the power supply of the host computer has been completely cut off and appropriate’shutdown/hanging out'(LOTO)measures have been taken to prevent accidental power on.Read the product manual in detail to understand PCI slot compatibility(AL81G is a 32-bit,33MHz PCI card)and the physical connection method with the host system.Ensure that the installation environment meets the technical specifications of the board,including operating temperature,humidity,and electromagnetic compatibility(EMC)requirements.AL81G should be installed in a computer case with sufficient heat dissipation capacity and ensure good airflow.When inserting the board into the PCI slot,ensure alignment and gentle insertion to avoid damaging the connector with excessive force.After the hardware installation is completed,it is necessary to follow the instructions in the manual to first install the AL.net API and corresponding drivers,and then attempt to interact with the board.Connect the analog signal input BNC line and trigger input/output BNC line correctly,and ensure good grounding.

Maintenance suggestion:In order to ensure the long-term stable operation of the Acquisition Logic AL81G board and the accuracy of data acquisition,it is recommended to develop and implement a regular preventive maintenance plan.This includes regular visual inspections of the physical condition of the board,checking for dust accumulation on components or connectors(especially heat sinks and BNC interfaces),and checking for loose or corroded connectors.It is crucial to keep the interior of the host computer clean,as dust and pollutants can affect the heat dissipation of the board and may cause electrical failures.Through software provided by UTEX(such as Scope 3 program or AL.net API),perform regular functional self checks and status monitoring on AL81G,check its sampling rate,memory usage,and trigger status,and promptly identify and resolve potential performance issues or fault alarms.When carrying out any maintenance operations,especially those involving replacing boards or adjusting jumper settings,it is necessary to strictly follow the manufacturer’s official operating procedures,ensure that they are carried out in a power-off state,and use original or certified compatible spare parts.Regularly check and update the driver and software versions of the board to obtain the latest features and performance optimizations,ensuring the best performance of AL81G.

AL81G ACQUISITIONLOGIC

Product Guarantee

Acquisition Logic(now under UTEX Scientific Instruments)provides a solid guarantee for the excellent quality and reliability of the AL81G 1 GHz A/D converter board.