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N4955A 12.5 Gb/s Pattern Generator Remote Head

Product Status: Eingestellt | Support verfügbar
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Key Features & Specifications


  • 1 to 12.5 Gb/s Pattern Generator remote head
  • Integrated two-tap or four-tap de-emphasis signal conditioning
  • Programmable generator output parameters
  • Transparent jitter pass-through
  • Remote head allows placement of signal very close to DUT



The N4955A is an affordable and compact pattern generator remote head available in two-tap and four-tap de-emphasis configurations. Compatible with the N4965A Serial BERT controller, it is an ideal solution to test up to 12.5 Gb/s per channel for characterizing multi-lane serial data channels. The N4955A pattern generator supports PRBS, clock, and DC logic patterns and operates up to 12.5 Gb/s with differential of single-ended connections. The remote head allows the test equipment to be located very close to the device under test, eliminating the need for long cables that degrade signal quality.


  • Serial data receiver characterization up to 12.5 Gb/s
  • Multi-lane device characterization
  • Crosstalk characterization