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The traditional logic analysis measurement techniques now need to be complemented with a signal integrity measurement tool. Based on TDR measurements, a circuit board designer can determine characteristic impedances of board traces, compute accurate models for board components, and predict board performance more accurately. Even though some designers would rightfully argue that insertion and return loss are more important and representative of the performance of the interconnect at a given speed, eye diagram provides a clear visual representation of whether the interconnect by itself would meet the eye diagram test specification for a given standard. Occasionally, it becomes a choice of personal belief in one domain being superior over the other. Based on the TDR impedance measurements, the designer can perform signal integrity analysis of the system interconnect, and the digital system performance can be predicted accurately.

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However, modeled designs must be verified with hardware measurements, including impedance measurements, after the prototype is built. At these speeds, interconnections on PCBs behave as distributed elements, or transmission lines, and reflections oconnect to impedance mismatch are a typical signal integrity problem that board designers encounter in their work.

Instrument Compatibility – Tektronix

Even though some designers would rightfully argue that insertion and return loss are more important and representative of the performance of the interconnect at a given speed, eye diagram provides a clear visual representation of whether the interconnect by itself would meet the eye diagram test specification for a given standard. A powerful, flexible test solution that addresses these requirements maximizes characterization throughput and improves time to market.

Deze site maakt gebruik van cookies om de gebruikerservaring te optimaliseren. With accurate characterization data, test engineers can improve overall test yield for their ICs, resulting in significant savings for the IC manufacturer. The amplitude, however, does not stay at a permanently lowered level, as it would in a case of purely DC loss.

The accuracy of such simulation depends completely on the accuracy of the models for the interconnect components of the digital design, such as board traces, connectors and packages. Door verder te surfen op deze site, gaat u akkoord met ons gebruik van cookies. Measurement and modeling of the transmission lines carrying differential signals, however, pose several different challenges that need to be addressed in order to achieve an accurate picture of differential signal transmission in digital system design and simulation.

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Microlease and Livingston are becoming Electro Rent. The failures include signal-to-ground shorts and plane-to-plane shorts.

IConnect® Applications

As a result of careful ATE load board analysis, more accurate production test limits can zoftware set. With the help of IConnect and the built-in IConnect Linear Simulator, you can complete interconnect analysis tasks in minutes instead of days, resulting in faster system design time and lower design costs.

Lossy Line Simulation and Analysis The softwarf of frequency dependent losses on the interconnect link performance is primarily in degradation of rise time, amplitude, and eye diagram.

We will analyze in detail the TDR impedance deconvolution algorithm as applicable to electronic packaging fault location work, focusing on the opportunities that impedance deconvolution and the resulting true impedance profile opens up for such work. The flexible board interconnect provides better mechanical properties and electrical impedance control, while creating new possibilities for placing the pre-amplifier closer to the disk drive head, which overall provides a logical path for achieving a higher data throughput for the industry.

Examples of plane-to-plane shorts may be a power plane to a ground plane short, or a short from one power plane to another, softwarw the package or inside the die. Calibration simplicity minimizes human errors during the measurement. This paper discusses the benefits and tradeoffs of both measurements techniques. The table below summarizes the performance characteristics of these true differential TDR modules.

Tektronix 80SSPAR Optical Sampling scopes Gebruikt en Verhuurd –

Tektronix offers several true differential TDR modules, which in combination with IConnect allow S-parameters measurements with up to —70 dB of dynamic range.

You can also icconnect advantage of the IConnect S-parameters command-line interface to add S-parameter measurements to the overall suite of manufacturing tests you perform using your TDR instrument. You can also call to talk to a Tektronix IConnect Specialist.

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The needs for disk drive interconnect characterization and equivalent circuit model accuracy have increased accordingly.

Tektronix comprehensive, integrated tool set for the latest high-speed serial technologies. In conclusion, the paper will provide some practical suggestions on how to choose the right instrument for the application. Ease of use, accuracy, and cost are only a few of the attributes that will dictate the right instrumentation.

tektronix iconnect software

Selecting the Package Modeling, Method, Derivations: This complete interconnect system is efficient, easy-to-use and cost-effective solution for signal integrity analysis, impedance measurement, S-parameter and eye diagram compliance tests of gigabit interconnect links and devices. The choice between these two sometimes moves to a more theoretical choice tektroonix time and frequency domain measurements.

Tektronix IConnect Applicaion notes

Based on TDR measurements, a circuit board designer can determine characteristic impedances of board traces, compute accurate models for board components, and predict board performance more accurately. High-frequency effects such as skin effect and dielectric loss begin to affect signal integrity in these high-speed digital systems in the most profound manner, and therefore must be understood and characterized.

Using IConnect, we are able to create an accurate impedance profile Z-line from the TDR measurement of the impedance path, eliminating multi-path reflection errors in our TDR reflection waveforms, which makes it possible to troubleshoot and perform further analysis of the test fixture.

tektronix iconnect software

In this report our focus is on locating short failures, using TDR-based fault isolation system. As clock speeds and rise times of digital circuits increase, interconnect signal integrity dramatically affects digital system performance.