Analog Input/Output, 4-Channel, 60 Msps 

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Features

  • 4-Channel Analog Input and Output with IRIG Time Code Reader/Generator Analog Input/Output, 4 Channel, 60 Msps
  • Occupies Single PCI Card Slot
  • Operation to 60 Million Samples/Second/Channel
  • Supports IRIG 106 Chapter 10 Formats
  • Accepts and Reproduces IRIG A, B, and G Time Codes
  • Includes Both Standard Anti-Aliasing Filters and Data Reconstruction Filters

Introduction

The G2 Analog Input/Output board combines Analog–to-Digital and Digital–to-Analog conversion onto a single PCI slot.  The analog output with microsecond reconstruction fidelity is combined with an embedded IRIG Time module to provide high-speed operation with highly-precise time tagging support.

Allows 4, 8, 10, 12 Bit Encoding

The analog encoding and decoding capabilities of IMUX G2 allows selection of 4, 8, 10, and 12-bit encoding. When combined with the maximum speed of the card, support for analog signals from voice to second IF is supported. 

Filtering

Both the input/encoding and output/decoding processes are equipped with operator controlled filtering in order to control aliasing.  These filters can be optionally deselected in order to provide operators with the feature set necessary to optimize their installation.

Time Code Input/Output Functions

IRIG time code inputs are translated to digital time setups with a nanosecond resolution every 100 nanoseconds.  Time stamps are provided for each data transfer in either Packed or Unpacked modes via direct memory addressing (DMA) block transfers over the PCI bus.

Data Reproduction

A variable rate, on-board numerically controlled oscillator (NCO) resides on the card. It is slaved to the data reproduction and can faithfully reproduce analog data to within one microsecond interchannel time skew, relative to other recorded channels.

By occupying a single PCI bus card slot, the PCI Analog/Digital and Digital/Analog Record/Reproduce board provides remarkable flexibility for the system’s integrator while not compromising performance.

Analog-to-Digital Input Number channels Four independent data channels
  Programmability Each analog input channel independently programmed
  Levels Software selectable (all channels independent)
Single ended: ±2, ±1, ±0.4, ±0.2, ±0.1 volts
  Level Types Bi-polar by function, single ended as wired
  Resolution Software selectable (all channels independent)
Packed: 4, 8
Unpacked: 4, 8, 10, and 12-bit
  Impedance Software selectable (all channels independent)
Single ended: 50 ohm, 75 ohm, ?or 10 Kohm
  Operating Range Software selectable (all channels independent)
Minimum: 10 ksps
Maximum: 60 Msps
  Numbering Software selectable (all channels independent)
Offset binary or 2’s complement
  Circuit Protection Fuse protected each channel, independent
Processing Anti-Aliasing Software selectable (all channels independent)
26 MHz, 6 MHz, 1 MHz, 100 kHz, 10 kHz, 1 kHz, or bypass
  Installed Four Butterworth filters (6-pole) are installed to provide 1K, 100K, 1M, and 10 MHz low pass filters on the output in order to control sampling perturbations
Digital-to-Analog Output Number channels Four independent data channels
  Programmability Each analog output channel independently programmed
  Linearity Integral linearity error (INL) +/-1.6 LSB (max)
Differential nonlinearity error (DNL) +/- 1.0 LSB (max)
  DAC spec Settling time 11 ns (typical)
Integral linearity error (INL) +/-1.48 LSB (max)
Differential nonlinearity error (DNL) +/- 1.17 LSB (max)
  Level Accuracy +/- 4 LSB counts at 12 bits DC
  Time Data Resolution +/- 100 ns
  Levels Software selectable (all channels independent)
Single ended: ±2, ±1, ±0.4, ±0.2, ±0.1 volts
  Level Types Bi-polar by function, single ended as wired
  Resolution Software selectable (all channels independent)
Packed: 4, 8
Unpacked: 4, 8, 10, and 12-bit
  Impedance Software Selectable (all channels independent)
Single Ended: 50 ohm, 75 ohm, or 10 Kohm
  Operating Range Software selectable (all channels independent)
Minimum: 10 ksps
Maximum: 60 Msps
  Short Circuit Protection 110 mA continuous, 1A fuse
  DAC Low Pass Filter Selection Software selectable (all channels independent)
26 MHz, 6 MHz, 1 MHz, 100 kHz, 10 kHz, 1 kHz, no filter
  Level Accuracy +/- 4 LSB counts at 12 bits DC
  Interchannel Skew Less than 1 microsecond
  Modes Software selectable (system level setting)
Loopthrough of input signal (record time only) or play back from file
Input Signal - IRIG Time Number of Channels One independent time channel
  Programmability Time input channel programmed independently
  Time Input Source External or internal, programmable
  Level Signal level 0.5 to 10V peak-to-peak from mark; 3-1 nominal (mark-to-space relationship); external
  Impedance 10 Kohm
  Code IRIG A, B, G modulated carrier input.
  Internal Time On-board timer seeded from any source internal to computer; e.g., computer clock, GPS receiver, etc.
Output Signal – IRIG Time Number of Channels One independent time channel
  Programmability Time output channel programmed independently
  Time Code Rate IRIG A, B, G modulated carrier
  Level 7V peak-to-peak typical into 10-Kohm load (on mark)
Isolation Channel to Channel >60 dB
  Input to Output >60 dB
External 10 MHz Reference Frequency 10 MHz
  Source Internal or external, programmable
  Signal Type Single-ended sine wave
  Levels 1 to 8 peak-to-peak
  DC Offset <10% of peak-to-peak level centered around ground
  Input Impedance 50 ohm, 75 ohm, or 10 Kohm (programmable)
  SNR ≥ 50 dB
  Internal Clock Accuracy Factory tuned to <1 ppm
Drift over lifetime of 2 ppm
Interboard Time Bus Level  
  Max Daisy Chain Delay  
PCI Bus Throughput Max Record throughput 640 Mbps per board, 480 Mbps per channel
  Max Playback throughput 640 Mbps per board, 480 Mbps per channel
Electrical and Environmental Power Consumption 24 watts max
  Form Factor Full-length PCI card
  Connectors PCI-2.3 compliant edge connector for data bus
10-pin header for timing bus
DB37 for data I/O on PCI panel.
  Operating Temperature 32°F to 140°F (0°C to 60°C)
  Storage Temperature 14°F to 185°F (-10°C to 85 °C)
  Operating Altitude 0 to 10,000 feet (0 to 3,000 meters)
  Storage Altitude -1,000 to 20,000 feet (-300 to 6,200 meters)
Ordering Code    
G2-ANL-410-xx Analog Input/Output, 4-Channel, 60 Msps, 4 to 12-bit Diff

 

All specifications subject to change without notice.  
     
Tel 301.737.1555
Fax 301.737.1564

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Phone: 301.737.1555
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