Option SC SignalCorrect™ software

SignalCorrect™ Software and TCS70902 Calibration Source, Datasheet

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SignalCorrect™ allows quick characterization of cables, fixtures and other types of interconnects using the TCS70902 fast step source and the captured response on a DPO/MSO70000 series real-time oscilloscope.

Based on this characterization, SignalCorrect can design a de-embed filter that compensates for the losses that occur in the interconnects, and offers a flat response, enabling signal margin recovery, leading to more accurate measurements.


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Eye of original signal
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Eye of signal through 9 inch cable
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Eye of signal after de-embed using SignalCorrect
Features and benefits
  • Measurement and de-embed: Characterize cables and fixtures and de-embed their effects to gain margin and reduce failures or costly over design.

  • Step-by-step characterization process: Easily characterize cables and fixtures and get repeatable results making the solution approachable to novice users.
  • De-embed differential and common mode: Enables de-embed of fixtures that may have significant differential coupling and non-ideal common mode behavior.

    Two fast step outputs enables dual input measurements and full de-embed of single ended, differential and common mode cases.

  • Create and compare: Create multiple filters based on single measurement.

    Enables comparison of raw waveform with different filter designs.

  • ≤9.4 ps step output: Enables de-embed for greater than 50 GHz (also dependent on oscilloscope bandwidth) useful for next generation designs.
  • Small form factor of the step source: Makes it easy to take the source close to the Interconnect Under Test (IUT) for more accurate measurements.
    • Stand alone source at lower cost.
    • Same performance across all oscilloscope models.
  • Reference sine wave output: Enables deskew to < 1 ps to the ends of the cables or fixtures for more accurate measurements.
  • Output variation: TCS70902 outputs are based on sampling TDR technology that is well characterized for minimal changes over temperature and time.
  • Generic API: Enables integration of the TCS70902 Calibration Source for use in other applications.
  • Plot and save: Data such as calibration data, s-parameter data, filters can be plotted making it easy for visualization and saving for later use.
  • Real-time scope based solution: Characterize a cable/fixture, design, create and apply a filter all on a real-time scope, eliminating the need for other expensive instruments.

    Use the same real-time scope to perform Jitter, Eye Diagram or standard specific measurements on the de-embedded waveform.

SignalCorrect™ overview

The SignalCorrect software application runs on the Tektronix performance oscilloscopes. The application quickly characterizes fixtures, cables, and interconnects for accurate measurement and analysis. Using filter files produced by the application, you can de-embed probes or fixtures and embed a channel model.

The output of the TCS70902 is measured to establish a baseline.

A second measurement is taken after inserting the interconnect under test between the TCS70902 and the oscilloscope.

The two measurements are compared to get the insertion loss of the interconnect under test.

A filter is designed to compensate of for the losses in the interconnect under test and provide a flat response so that signal margin can be recovered to make more accurate measurements.


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Setup

SignalCorrect provides a step-by-step setup process with connection diagrams to guide you in making the measurements required to characterize the interconnects under test.


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Calibration

SignalCorrect guides you through selecting the calibration data to use or acquiring new calibration data.

During the calibration process a reference measurement is taken to establish a baseline.

During the calibration step:

  • Factory calibration data stored on the source can be used if the Interconnect under test can be directly connected to the source.
  • New calibration can be used in all other cases.
  • Saved calibration data from previous calibration runs can be used to reduce time for characterization.

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Insertion loss

SignalCorrect extracts the insertion loss of the interconnect under test. A plot of the insertion loss is also shown.


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Filter design

SignalCorrect creates a filter that you can apply to your oscilloscope inputs to de-embed your device or interconnect under test.


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TCS70902 signal source

Combined with SignalCorrect™ software the TCS70902 provides an easy to use solution that enables you to quickly characterize and de-embed interconnects under test for more accurate measurement and analysis.

The TCS70902 Differential Calibration Source provides:

  • Dual ≤9.4 ps step outputs on 1.85 mm female connectors
  • Dual 5 GHz sine wave outputs phase matched to less than 1 ps on 2.92 mm female connectors
  • Small form factor enables placement closer to IUT
  • Can be used as a generic source for other applications such as deskewing oscilloscope inputs
  • Programmatic interface to
    • Turn the sine and the step outputs on/off
    • Control the polarity of the step outputs
    • Check the status of the outputs
    • Control the output parameters like the delay, offset and level

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Connector kits

Connector kits provide adapters and matched cables to connect your interconnects (cables and fixtures) under test to the calibration source and oscilloscope.

292 Kit
  • Phase matched 2.92 mm male to male short cables
  • 1.85 mm male to 2.92 mm female adapters

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240 Kit
  • Phase matched 2.4 mm male to male short cables

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Specifications

All specifications are guaranteed unless noted otherwise.

Communication
USB 2.0 host communication
USB2.0 Compliant Mini USB B Device Port
Fast edge in
Fast edge in rise time (typical)
30 to 800 ps 10-90% rise time

Supports the fast edge output of all DPO/MSO70000 series real-time oscilloscopes.

Fast edge in levels (typical)

-600 mV to 0 mV

-150 mV to 300 mV

Supports the fast edge output of all MSO/DPO70000 series real-time oscilloscopes.

Step output
Fast edge output connector
1.85 mm female connectors
Fast edge rise time
Rise (away from 0 V) time ≤ 10 ps, 10-90%
Fast edge fall time
Fall (toward 0 V) time ≤ 9.4 ps, 10-90%
Primary fast edge amplitude (typical)

200 mV step into 50 Ω

Secondary fast edge amplitude (typical)

300 mV step into 50 Ω

Fast edge maximum repetition rate
10 MHz
Sine output
Sine wave output amplitude, peak-to-peak (typical)
250 mV into 50 Ω
Sine wave frequency (typical)
5 GHz
Sine wave skew between outputs (typical)
≤ 1 ps
Power
Power consumption
< 8.6 VA
Atmospherics
Temperature
Operating
5 °C to +45 °C, with 15 °C/hour maximum gradient, non-condensing, derated 1.0 °C per 300 meters above 1,500 meters altitude.
Non-Operating
-20 °C to +60 °C, with 30 °C/hour maximum gradient.
Humidity
Operating
5% to 95% relative humidity (% RH) at up to +30 °C, 5% to 45% RH above +30 °C up to +45 °C, non-condensing
Non-Operating
5% to 95% RH (Relative Humidity) at up to +30 °C, 5% to 45% RH above +30 °C up to +60 °C
Altitude
Operating
Up to 3,000 meters, derate maximum operating temperature by 1 °C per 300 meters above 1,500 meters altitude.
Non-Operating
Up to 12,000 meters.
Physical characteristics
Dimensions
Does not include connectors, chains, connector savers, connector covers, pushbuttons, cables, strain reliefs, rubber boot, or lock down hardware protruding from front or rear panels.
Height
31.2 mm (1.23 in.)
Width
116.8 mm (4.6 in.)
Depth
105.7 mm (4.16 in.)
Weight
0.48 kg (1.06 lbs.)
Construction material
Main chassis parts constructed of aluminum; front panels constructed of plastic laminate; circuit boards constructed of glass-laminate.

Ordering information

Models
Ordering nomenclature
ProductDescription
TCS70902Calibration source ≤9.4 ps step output. Includes: calibration source, USB cable, power adapter, and ESD strap.
292 Kit optionAdapter kit for DUTs with 2.92 mm, 3.5 mm and SMA adapters. Includes: 2 Male to Female 1.85 mm to 2.92 mm adapters and 1 phase matched pair of 2.92 mm male to male cables.
240 Kit optionAdapter kit for DUTs with 1.85 mm adapters. Includes: 2.4 mm adapters.
065099900 – 240KITAdapter kit for DUTs with 2.92 mm, 3.5 mm and SMA adapters. Includes: 2 Male to Female 1.85 mm to 2.92 mm adapter and 1 phase matched pair 2.92 mm male to male cables.
065100000 – 292KITAdapter kit for DUTs with 1.85 mm adapters. Includes: 2.4 mm adapters.
MSO/DPO70000C/DX
ProductDescription
Option SCSignalCorrect™ - Cable and channel characterization software.
DPO-UP SCSignalCorrect™ - Cable and channel characterization software upgrade.
DPOFL-SCSignalCorrect™ - Cable and channel characterization software floating license.
Last Modified: 2016-03-01 04:00:00
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