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16 Precision 3-Wire Balanced Differential High-Speed Analog Output Channels 16-Bit Resolution; D/A Converter per Channel Dual Selectable 8th-Order Reconstruction Filters on All Outputs 66MHz PCI Bus Support Data Rates to 450K Samples per Second per Channel; 7.2 MSPS Aggregate Rate Software-Selectable Output Ranges of ±10V or ±5V Full Scale at 5mA with High-Level Option, or ±2.5V or ±1.5V at 30mA with High-Current Option Supports 50-Ohms Loads on ±1.5V Output Range Optional 2-Wire Single-Ended Analog Outputs 256K-Sample Output Data FIFO Buffer; Configurable as Open or Circular Simultaneous or Sequential Output Clocking Multiboard Synchronization Compatibility with Other GSC I/O Products Continuous and Burst (One-Shot) Output Modes Support Seamless Waveform Sequencing Data Rate Controlled Internally or Externally Software-Selectable Differential Clock I/O for Synchronizing Sigma-Delta A/D Boards High Accuracy Ensured by On-Demand Autocalibration of all Channels Remote Ground Sensing

16 Precision 3-Wire Balanced Differential High-Speed Analog Output Channels 16-Bit Resolution; D/A Converter per Channel 66MHz PCI Bus Support Data Rates to 440K Samples per Second per Channel; 7.04 MSPS Aggregate Rate Software-Selectable Output Ranges of ±10V, ±5V, ±2.5V or ±1.25V Optional 2-Wire Single-Ended Analog Outputs 256K-Sample Output Data FIFO Buffer; Configurable as Open or Circular Simultaneous or Sequential Output Clocking Multiboard Synchronization Supported Continuous and Burst (One-Shot) Output Modes Support Seamless Waveform Sequencing Data Rate Controlled Internally or Externally, Real-Time Rate Adjustment Supported Software-Selectable Differential Clock I/O for Synchronizing Sigma-Delta A/D Boards High Accuracy Ensured by On-Demand Autocalibration of all Channels Remote Ground Sensing Available on Adapters for Alternate Form Factors: PCI, cPCI, PC104-Plus

Precision 16-Bit analog outputs: DAC per Channel Software-selectable output ranges of ±10V, ±5V, 0 to +10V, or 0 to +5V. Output clocking rates to 500K samples per second per channel with all channels active 66MHz PCI Bus support with Block-mode and Demand-mode DMA transactions 256K-Sample output data FIFO buffer; Configurable as open or closed (circular) Simultaneous or sequential output clocking Settling to 0.01 percent in 4us Multiboard synchronization supported Continuous and Triggered-Burst output modes support seamless waveform sequencing Data clocking rate controlled internally or externally High accuracy ensured by on-demand Autocalibration of all channels, with outputs forced to zero during autocalibration. Available on adapters for alternate form factors, including PCI, cPCI and PC104-Plus, as well as PCI-Express, PCIX and cPCIX

16 Single-ended or 3-Wire differential 20-Bit analog output channels. Simultaneous Clocking; Individual R-2R 20-Bit DAC per output channel. Clocking rates from zero to 500KSPS Output ranges: +⁄-10V, +⁄-5V, +⁄-2.5V, software-selectable. 8th-Order reconstruction filter at each output. 256K-sample output FIFO buffer. Internal sample rate generator with 24-Bit rate divider. Hardware trigger and clock I/O for multiboard synchronization; Front-panel and Internal access. 8 Bidirectional digital TTL I/O lines. Conforms to PCl Bus Specification, Revision 2.3, 66/33 MHz 64-Bits, with Universal Signaling. PCI burst rates to 400MB/sec. Standard cPCI-6U form factor. (Call for availability in PCI and PCI-Express form factors). DMA Engine supports block-mode and demand-mode transfers in two DMA channels. On-demand offset and gain autocalibration of all channels. Software-controlled master-clock frequency fine-adjustment. Front-Panel system I/O connector.

Eight Single-ended or 3-Wire Differential 20-Bit analog output channels. Simultaneous Clocking; Individual R-2R 20-Bit DAC per output channel. Clocking rates from zero to 500KSPS. Software-selectable fullscale output ranges: ±10V and ±5V; Optionally ±5V and ±2.5V. 256K-sample output FIFO buffer. Low Glitch Impulse; Typically 3.8nV-Sec on ±5V range. Low-Noise DACs and output sections produce 95dB SNR. Clocking from either external or internal sample rate generator. Hardware trigger and clock I/O for multiboard synchronization; Selectable as LVDS or TTL. 8 Bidirectional TTL Digital I/O lines. PCI Express version conforms to PCI Express Specification revision 1.0a for short cards Optional Outputs Disconnect feature supports multiple card redundancy, and ensures quiet outputs during autocalibration and selftest operations. Same pinout as that used for the PCIe-18AO8, with similar software interface. Available also in 16-Channel configuration in full-length format, as well as in PMC and PCI formats DMA Engine supports block-mode and demand-mode transfers. Remote ground sensing to minimize single-ended errors. On-demand autocalibration of all channels.

32 Single-Ended or 16 Differential Analog Input Channels 16-Bit High-Speed Scanning ADC Scanning Rates to 350K Channels per Second (500KSPS Sampling Rate in Single-Channel Mode) 1024-Point Scan List Controls Channel Sequence and Range 32K-Sample FIFO Buffer Optional 16 Current Inputs; 4-20ma, 0-20ma 4 Analog Output Channels 16-Bit Dac per channel 400 KSPS Clocking Rate per Channel Open and Circular Buffer Operation 32K-Sample FIFO Buffer Software-Selected Analog Ranges: �2.5V, �5V, �10V, 0-5V, 0-10V 8-Bit Bidirectional Digital I/O Port 512 Byte FIFO I/O Buffer Supports Pattern Generation 66 MHz PCI Support

16 Single-Ended or 8 Differential Analog Input Channels 16-Bit High-Speed Scanning ADC Scanning Rates to 350K Channels per Second (500KSPS Sampling Rate in Single-Channel Mode) 1024-Point Scan List Controls Channel Sequence and Range 32K-Sample FIFO Buffer Optional 8 Current Inputs; 4-20ma, 0-20ma 4 Analog Output Channels 16-Bit Dac per channel 400 KSPS Clocking Rate per Channel Open and Circular Buffer Operation 32K-Sample FIFO Buffer Optional 4-20ma Current Outputs and Internal Loop Supply Software-Selected Analog Ranges: �2.5V, �5V, �10V, 0-5V, 0-10V 8-Bit Bidirectional Digital I/O Port 512 Byte FIFO I/O Buffer Supports Pattern Generation 66 MHz PCI Support

16 Single-Ended or 8 Differential Analog Input Channels 16-Bit High-Speed Scanning ADC Scanning Rates to 350K Channels per Second (500KSPS Sampling Rate in Single-Channel Mode) 1024-Point Scan List Controls Channel Sequence and Range 32K-Sample FIFO Buffer Optional 8 Current Inputs; 4-20ma, 0-20ma 4 Analog Output Channels 16-Bit Dac per channel 400 KSPS Clocking Rate per Channel Open and Circular Buffer Operation 32K-Sample FIFO Buffer Optional 4-20ma Current Outputs and Internal Loop Supply Software-Selected Analog Ranges: �2.5V, �5V, �10V, 0-5V, 0-10V 8-Bit Bidirectional Digital I/O Port 512 Byte FIFO I/O Buffer Supports Pattern Generation 66 MHz PCI Support

Eight Differential Low-Level 16-Bit Analog Input Channels Software-selected ranges: 10mV, 100mV, 1.0V, 10V Expandable to 128 Channels with Companion Expansion Boards 16-Bit Scanning ADC Instrumentation Amplifier per Input Channel Scanning Current Excitation; Adjustable 0-2.00ma Thermocouple Cold-Junction Compensation Input Flexible Scan Sequencing with 1024-Point Scan List Lowpass Filters: 2Hz, 10Hz, 100Hz or 200Hz, (Selectable In/Out, Fixed Frequency) Scan Rates to 50K Channels per Second 66 MHz PCI Support

16 Low-Level Analog Input Channels Occupies One Input of Analog Input Board (3A or 3B) Optional Scanning Current Excitation; Adjustable 0-2.00ma. Supports Thermocouple Cold Junction Compensation Input Scan Rates to 50,000 Channels per Second Lowpass Input Filters: 2Hz, 10Hz, 100Hz or 200Hz Software-Selected Input Ranges: 10mV,100mV, 1.0V, 10V Powered From Host Input Board or external +5VDC. 66 MHz PCI Support