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Product Range of Operation Internal/External Clock PRBS/Memory Data Differential Outputs/Inputs Built-in Jitter injection Clock data recovery built-in Enhanced Measurements
N4903B J-BERT high-performance serial BERT up to 7 Gb/s and 12.5 Gb/s with complete jitter tolerance N4903B J-BERT high-performance serial BERT up to 7 Gb/s and 12.5 Gb/s with complete jitter tolerance
opt. C07: 150 Mb/s to 7 Gb/s; opt. C13: 150 Mb/s to 12.5 Gb/s; opt. D14: extension to 14.2 Gb/s for pattern generator Yes, and subrate clock output,and external clock divider. SSC and residual SSC (opt. J11)
 Yes, 2n-1 and 2 n, pattern memory 32 Mbit for each channel, up to 120 blocks and loops for pattern Yes Yes, via external delay control input. Built-in & calibrated jitter (opt. J10): PJ,PJ2,SJ,RJ,sRJ, BUJ,
Interference (opt. J20): ISI, S.I. 		Yes, with tunable loop bandwidth always included Yes, plus: quick eye diagram, eye mask, BER contour, pattern capture, bit recovery mode
N4906B Serial BERT N4906B Serial BERT
opt. 003: 150 Mb/s to 3.6 Gb/s; opt. 012: 9.5 Gb/s to 12.5 Gb/s; opt. 102: 150 Mb/s to 12.5 Gb/s Yes Yes Yes No opt. 012: in combination with opt. 101; opt. 003: No opt. 012: in combination with opt. 102; opt. 003: No
N5980A Manufacturing Serial BERT N5980A Manufacturing Serial BERT
Fixed rates between 125 Mb/s to 3.125 Gb/s Yes only PRBS No No No Yes
N2101B PXIT Bit Error Ratio Tester N2101B PXIT Bit Error Ratio Tester
Fixed rates between 155 Mb/s - 10.3125 Gb/s yes yes yes no no BERTScan and eye width
N4960A Serial BERT 32 and 17 Gb/s N4960A Serial BERT 32 and 17 Gb/s
Opt. P17/E17: 4 to 17.0 Gb/s
Opt P32/E32: 5 to 32.0 Gb/s 		Yes, and jittered, delayed and divided clock outputs Yes, 2n-1 (n=7 to 51), 8 Mbit pattern memory Yes Yes, built-in & calibrated jitter No Yes, with N4980A
N4962A Serial BERT 12.5 Gb/s N4962A Serial BERT 12.5 Gb/s
0.5 to 12.5 Gb/s Internal clock 9.85 to 11.35 Gb/s.
External clock required for < 9.85 and > 11.35 Gb/s e.g. N4963A		 PRBS only (2n-1) Yes No (external with N4963A-101) No Yes, with N4980A
N4956A 12.5 Gb/s Error Detector Remote Head N4956A 12.5 Gb/s Error Detector Remote Head
1.5  to 12.5 Gb/s External clock required e.g. N4972A PRBS only (2n-1) Yes No (external with N4972A-CJ0 or -CJ1) No Yes, with N4980A
N4955A 12.5 Gb/s Pattern Generator Remote Head N4955A 12.5 Gb/s Pattern Generator Remote Head
1.5  to 12.5 Gb/s External clock required e.g. N4972A PRBS only (2n-1) Yes No (external with N4972A-CJ0 or -CJ1) No Yes, with N4980A
N4965A Multi-Channel BERT 12.5 Gb/s N4965A Multi-Channel BERT 12.5 Gb/s
1.5  to 12.5 Gb/s External clock required e.g. N4972A PRBS only (2n-1) Yes No (external with N4972A-CJ0 or -CJ1) No Yes, with N4980A
N4967A Serial BERT System 40 Gb/s N4967A Serial BERT System 40 Gb/s
22 to 44 Gb/s Yes, internal single-frequency oscillator for 25, 28, or 40 Gb/s data rate. External half-rate clock required for all other data rates PRBS only (2n-1) Yes No No Yes, with N4980A
N4980A Multi-Instrument BERT Software N4980A Multi-Instrument BERT Software
n/a n/a n/a n/a n/a n/a Yes. Remote (PC) GUI for N4960A, N4962A, N4965A, N4967A BERTS
N4916B De-emphasis Signal Converter with Optional Clock Multiplier N4916B De-emphasis Signal Converter with Optional Clock Multiplier
660 Mb/s to 14.2 Gb/s for de-emphasis output, 1 to 7.5 GHz input frequency for clock multiplier n/a No, but transparent to jitter at data and clock inputs Yes, differential outputs n/a n/a n/a
N4951B Pattern Generator Remote Head 32 and 17 Gb/s N4951B Pattern Generator Remote Head 32 and 17 Gb/s
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N4952A Error Detector Remote Head 32 and 17 Gb/s N4952A Error Detector Remote Head 32 and 17 Gb/s
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N4951A Pattern Generator Remote Head 32 and 17 Gb/s N4951A Pattern Generator Remote Head 32 and 17 Gb/s
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N4917A Optical Receiver Stress Test Solution N4917A Optical Receiver Stress Test Solution
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