6U cPCI, multichannel, GPS-disciplined, precision clock generator

The ADACSync is a 6U, cPCI (PXI compatible), GPS-disciplined, precision low-jitter clock generator specifically designed to help synchronize multichannel system clocks, such as when synchronizing several digitizer boards or daisy chaining ADACSyncs to yield more channels (with an external input clock).
The ADACSync is also equipped of a GPS module, enabling the onboard VCxO to continuously match the GPS reference (a process referred to as "GPS-disciplined clock"). The GPS position/time information is also available for DAQ applications.

Highlights

  • Five, independent programmable clock outputs
  • Output range from 31.25 MHz to 350.00 MHz
  • Less than 0.1 ppm, GPS-matched, onboard reference 10 MHz VCxO
  • Distribution buffer with eight frequency-synchronous channels (programmable CLK0)
  • Four, independently buffered outputs (programmable CLK1–CLK4)
  • Reference clocks—External, onboard, or onboard GPS disciplined
  • 1 pps GPS outputs
  • GPS time/position-stamp at GPIO-32 output
  • Stand-alone configuration through the onboard EEPROM
  • Easy-to-use programming application

Applications/Fields

Telecommunications

  • MIMO
  • 802.11n
  • Adaptive beamformers
  • Base transceiver stations
  • Routers
  • Triple play
  • Quadruple play
  • Software-defined radio
  • WCDMA
  • WiMAX

Military and aerospace

  • Digital communications
  • Software-defined radio

Medical imaging

  • Positron emission tomography
  • Gamma ray detection

Industrial

  • Channel analysis
  • Channel simulation

Characteristics

Form factors

  • 6U cPCI
  • 6U PXI

Functions

  • Clock generation
  • Clock distribution
  • GPS reference clock
  • GPS time/data stamping

LITERATURE

Demos

MIMO FlexOFDM demo

Help file of the Simulink model supplied with the demo (license sold separately).

Whitepapers

Frequency-domain characterization of broadband indoor MIMO channels using a 4x4 testbed

Success stories

Gedomis

The Generic Hardware Demonstrator for MIMO Systems (GEDOMIS) hosts a real-time implementation of the IEEE 802.16e-2005 physical layer featuring a 2×2 MIMO configuration and a high 20 MHz bandwidth. The algorithms of the mobile WiMAX receiver were modeled with MATLAB, designed with custom VHDL and implemented in FPGA devices operating in real-time using Lyrtech’s VHS-ADC and SignalMaster Quad. The VHDL code was integrated to the target boards with Lyrtech's own BSDK. For details about GEDOMIS, click here.

Software development tools

Software development tools

  • Board software development kit (included)
  • Model-based design kit (optional)

Downloads

 

Multimedia

MIMO FlexOFDM demo

Video

Model-based design implementation of a flexible MIMO OFDM testbed (FlexOFDM)

GEDOMIS

Video

The Generic Hardware Demonstrator for MIMO Systems (GEDOMIS) hosts a real-time implementation of the IEEE 802.16e-2005 physical layer featuring a 2×2 MIMO configuration and a high 20 MHz bandwidth. The algorithms of the mobile WiMAX receiver were modeled with MATLAB, designed with custom VHDL and implemented in FPGA devices operating in real-time using Lyrtech’s VHS-ADC and SignalMaster Quad. The VHDL code was integrated to the target boards with Lyrtech's own BSDK. For details about GEDOMIS, click here.

 

Documentation

Specifications sheet - ADACSync (hi_res).pdf
Specifications sheet - ADACSync (lo_res).pdf


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