Modular Systems > National Instruments > Timing and Synchronization Modules

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PXI-6683H, 5 SMB Male Connectors, RJ-45 Ethernet, PXI Synchronization Module

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PXI-6683H National Instruments Synchronization Module | Apex Waves | Image
PXI-6683H National Instruments Synchronization Module | Apex Waves | Image
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PXI-6683H National Instruments Synchronization Module | Apex Waves | Image
PXI-6683H National Instruments Synchronization Module | Apex Waves | Image
PXI-6683H New
PXI-6683H Refurbished

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National Instruments PXI-6683H PXI Synchronization Module

The National Instruments PXI-6683H Synchronization Module has a GPS receiver, which controls a dynamic GPS antenna and processes the RF signals (1.575 GHz) from the satellites. The GPS receiver then creates an extremely exact pulse per second (PPS) that the NI PXI-6683H uses to accomplish sub-microsecond synchronization.  

The GPS is an arrangement of more than 2 dozen satellites in medium Earth orbit that are continually transmitting signals down to earth. GPS receivers can distinguish these signals and determine area, speed, direction and time very precisely. GPS satellites are fitted with atomic clocks, and the signals they transmit to Earth contain timing data. This makes the GPS framework a precise timing and synchronization source.

IRIG-B IRIG is another important function on the NI PXI-6683H, which is a standard used to transmit exact timing data between instruments to accomplish synchronization. IRIG-B is a specific use of the IRIG standard, in which 100 bits of information are sent each second. Inserted in the information is a seconds' limit marker that the accepting instrument uses to synchronize its time-base to the IRIG source. Whatever is left of the information contains data, such as the time of day, days since the start of the year, and alternatively, control functions, and the quantity of seconds since the beginning of the day, encoded as a straight binary number. The NI PXI-6683H module is equipped for utilizing a PPS (pulse per second) signal for synchronization. Any PFI, PXI_Trigger or PXI_Star line can be configured as the PPS input terminal.

The chassis requirement for the synchronization module is a single 3U CompactPCI slot, a PXI slot, orv a PXIe hybrid slot. The front panel of the device feature a range of connector types, including 5 SMB male connectors and a single standard RJ-45 Ethernet connector. Two LED indicators on the front panel of the module provide a quick visual guide to the statuses of both the GPS and IEEE 1588 as well as the ethernet link speed.

The PXI-6683H is no longer available direct from National Instruments, but it will remain available in perpetuity with Apex Waves!

ModelPXI-6683H
ManufacturerNational Instruments
TypePXI Synchronization Module
Onboard Clock TypeTCXO
Onboard Clock Accuracy1 ppm
Supported ProtocolsGPS, IEEE 1588, IRIG-B, or PPS
Chassis RequirementOne 3U CompactPCI, PXI, or PXI Express hybrid slot
Front Panel LED IndicatorsGPS and IEEE 1588 status, Ethernet link status
TCXO Frequency10 MHz (Nominal)
Front Panel Connectors5 SMB male, 1 RJ-45 Ethernet
Chassis RequirementOne 3U CompactPCI, PXI, or PXI Express hybrid slot
Weight172 g
Warranty2-3 Year Warranty
PXI-6683H ManualUser Manual and Maintenance Manual Available for Download
PriceContact a sales representative for a quote.

Associated part numbers for PXI-6683H:

National Instruments PXI-6683H Frequently Asked Questions

 

Question: What type of front panel indicators are on the PXI-6683H?

Answer: On the PXI-6683H, there are two tricolor LEDs (Green, red, and amber) for GPS and IEEE 1588 status, as well as two Green/amber LEDs for Ethernet link status and speed.

 

Question: What is the input frequency range of the NI PXI-6683H?

Answer: The NI PXI-6683H has an input frequency range from DC to 50 MHz.

 

Question: What is the absolute maximum input voltage of the PXI-6683H?

Answer: The PXI-6683H has an absolute maximum input voltage of -0.5 V to +6.0 V.

 

Question: What is the square wave rise/fall time (10 to 90%) of the NI PXI-6683H?

Answer: The square wave rise/fall time (10 to 90%) on the NI PXI-6683H is <1 ns typical.

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Common Typos:

OXI-6683H, PDI-6683H, PXI-6Y83H, PXI-66O3H, PXI-6683B
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