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July 2025
N4962A
Keysight N4962A, Differential or Single-Ended Output, PRBS Generator, Serial BERT
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
✔ Free Domestic Ground Shipping
✔ NIST Calibration Available
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Keysight N4962A Serial BERT
The Keysight N4962A is a Serial Bit Error Rate Tester with a compact pseudo-random bit sequence (PRBS) generator that also provides a built-in error detection unit for fast, automated testing of high-speed digital interfaces. This portable unit is designed to be installed as part of production floor automation and/or used in R&D applications. It operates using GPIB control from .5 to 12.5 Gbps. The compact size of the unit makes it possible to install it near the unit being tested, reducing cable loss and maintaining signal quality within tight test environments.
The N4962A's built-in PRBS generator produces five different PRBS patterns (2^7 - 1 through 2^31 - 1); each of these patterns may be selected by user choice. Additionally, users are able to adjust the mark-space ratio as well as the amplitude of the output. When performing receiver stress testing, users may inject jitter into the internal clock and trigger outputs. This jitter may be produced internally using a modulated DC to 100 MHz signal and will produce up to 5 UI of jitter at lower frequencies. The unit may operate using its internal synthesizer, which ranges from 9.90 to 11.35 Gbps, or the user may supply an external clock source, allowing operation over the entire range of .5 to 12.5 Gbps. Both differential data I/O and single-ended clock inputs are available through SMA connectors located on the front panel. Therefore, the user has flexibility when connecting with active probes, fixtures, etc., or backplane traces.
On the error detection side, the input stage of the N4962A provides phase adjustment capability ranging from 0° to 360° with a two-degree resolution for speeds greater than 5 Gb/s, making it easy to align to closed eye signals. Additionally, a dedicated receiver clock input accepts directly 0.5–12.5 GHz, and trigger outputs are provided for synchronized reference signal generation at both full rate and divide by 16. This makes the N4962A ideal for use in automated manufacturing cells to characterize transceivers, backplanes, cables, and optical modules. It is used for receiver jitter tolerance compliance testing, quick go/no-go screening, and long-term bit-error-ratio logging.
| Model | N4962A |
|---|---|
| Part Type | Serial BERT / Bit Error Rate Tester |
| Manufacturer | Keysight |
| Data rate range | 0.5 to 12.5 Gb/s |
| Clocking method | Internal synthesizer or external clock |
| Internal clock range | 9.90 to 11.35 Gb/s |
| External clock input range | 0.5 to 12.5 GHz |
| PRBS formats | 2?−1 patterns: n = 7, 10, 15, 23, 31 |
| Output style | Differential or Single-Ended |
| Output amplitude control | Programmable |
| Jitter injection bandwidth | DC to 100 MHz |
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