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N1055A Remote Head Module 35/50 GHz 2/4 Port TDR/TDT

Data Sheets

Keysight N1055A Remote Head

Module 35/50 GHz 2/4 Port TDR/TDT

For the 86100D DCA-X Series Oscilloscope Mainframe

Engineered for easy, accurate impedance and S-parameter measurements on multi-port 10/25/28 Gbps (40 Gb/100 Gb) designs

• Highest resolution TDR/TDT measurements

• Fast and accurate multiport S-parameters, up to 16 ports

• World’s easiest-to-use solution

Signal Integrity Challenges Abound

As new digital designs increase in data rates to 28 Gb/s and beyond, signal integrity issues become more challenging. Additionally, industry standards such as IEEE 802.3 ba/bj/bm (40 Gb/100 Gb Ethernet), Optical Inter-networking Forum (OIF) CEI 3.0, Fibre channel, PCI Express, USB, and InfiniBand require the use of TDR/TDT and S-parameter measurements to ensure compliance and system interoperability.

A fully-integrated 86100D TDR/TDT/S-parameter measurement system

Designed for both novice and expert users alike, the Keysight Technologies, Inc. N1055A remote head module provides time-domain reflectometry and transmission (TDR/TDT) capability for the 86100D DCAX oscilloscope platform, providing fast and accurate impedance and S-parameter measurements on highspeed designs that have up to 16 ports. The 86100D DCA-X oscilloscope mainframe can be configured with one to four N1055A TDR/TDT plug-in modules to provide a 2- to 16-channel TDR/TDT measurement system that is both economical and accurate. The 2/4 port TDR/TDT remote heads can be configured with sampler bandwidth of 35 GHz or 50 GHz, providing single-ended and differential measurement capability including True-Mode stimulus functionality.

Measurements include:

Time-Domain Reflectometry (TDR)

• Impedance measurements

• Locate the position and nature of each discontinuity

• Propagation/time delay

• Excess reactance (capacitance or inductance)

• Effective dielectric constant

Time-Domain Transmission (TDT)

• Step response

• Propagation/time delay

• Propagation velocity

• Rise-time degradation

• Near-end crosstalk (NEXT)

• Far-end crosstalk (FEXT)

• Skew

S-parameters (86100D-202)

• Return loss

• Insertion loss

• Crosstalk

• Mode conversion

• Differential-to common-mode conversion (SCDxx)

• Common-to differential-mode conversion (SDCxx)

• Phase

• Group delay

The 86100D DCA-X mainframe, equipped with N1055A modules, creates a fully-integrated TDR/TDT/S-parameter measurement system that provides calibrated results on up to 16 channels in real-time

Single-ended and differential device testing

Each TDR/TDT module provides single-ended, differential and common mode measurement capability, including True-Mode stimulus capability.

Complete S-parameter analysis

Full S-parameter measurements from DC to 50 GHz on up to 16 ports. Export data in Touchstone file format.

Real-time results

Calibrated impedance and S-parameter results are displayed in real-time (no external application, monitor or computer required).

ECal DC - 67 GHz module support

Electronic calibration (ECal) modules provide fast and accurate calibrations with a minimum number of connections.

True SOLT TDR calibration made easy

TDR/TDT calibration improves measurement accuracy. A built-in calibration wizard supports both mechanical standards (SOLT) and ECal modules.

Fast TDR edge speed

Fast edge speeds yield higher TDR resolution.

Built-in ESD/EOS protection

Each remote head integrates 67-GHz diode limiters to help protect against electrostatic discharge (ESD) and electrical overstress (EOS).

Adjustable edge speed

After TDR calibration the effective TDR edge speed may be adjusted (faster or slower) to comply with standards-based testing.

N1055A bandwidth options

• 35 GHz

• 50 GHz

N1055A channel count options

• 2 channels per module

• 4 channels per module

High-bandwidth oscilloscope

The N1055A’s receiver can be used as an oscilloscope to analyze waveforms and perform precision jitter analysis (86100D-200) on high-speed data signals.

Up to 16 channels per mainframe

Up to 16 TDR/TDT channels per 86100D DCA-X mainframe minimize cable reconnections and facilitate efficient near-end crosstalk (NEXT) and far-end crosstalk (FEXT) measurements.

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