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Consider the Source: Reliable Network Analysis Starts with a Clean Signal
Learn how DDS sources provide fast and repeatable network analyzer measurements.

Case Study 2020-11-17

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University of Houston Enhances eLearning with Real-World Labs
Discover how the University of Houston used Keysight solutions to help get their Remote Engineering Labs online during the pandemic. Using a combination of hardware and software, Professors are still able to give their students industry-ready engineering skills on real equipment with this unique setup.

Case Study 2020-11-17

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Innovative Use Cases for Handheld Analyzers in the Medical Field
Handheld analyzers provide affordable, portable measurement capabilities. This white paper discusses the use of handheld analyzers in two unique and innovative medical applications: cancer detection and spinal cord stimulation.

Case Study 2020-11-11

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Altum RF Gets Its Prototype Right the First Time, Shortens Design Process by 30%
Read how PathWave ADS helps to get first-time-right prototype on a challenging GaN amplifier design. Using one common tool for modeling, design and layout with integrated features, like electromagnetic simulations and design rule checking, shortens the design process dramatically.

Case Study 2020-11-10

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Optimizing High-Speed Connector Models for Channel Design at 56 Gbps and Above
Analyze Multiport s-parameters with Signal Integrity Software. In order to fully correlate and characterize high-speed digital connectors, it is critical to observe crosstalk in not only the time domain, but frequency domain as well.

Case Study 2020-11-05

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Designing 800G Backplanes Using Channel Operating Margin (COM)
By using industry standard modular chassis, designers can now measure up to 32-channels simultaneously to reduce backplane research & development test time by orders of magnitude.

Case Study 2020-11-05

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Accelerate 5G Testing: 5G Manufacturing Test Considerations
The promise of 5G is faster and more reliable communications. To enable mobile broadband communications, 5G uses existing and new technologies to achieve extreme data throughputs. In this white paper, you will learn about the impact of the 3GPP evolution on your testing and solutions available to help you scale to production quickly.

Case Study 2020-10-26

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Avoid Costly Delays with Priority Access to Expert Resources
Keysight commissioned Dimensional Research to conduct a survey to understand the business implications of equipment training, maintenance, and technical support. The findings underscore the importance of access to expertise.

Article 2020-10-23

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Three Tips to Optimize a Device’s Battery Life
As more portable electronic devices with multiple features hit the market, battery run time becomes critical for product differentiation and customer satisfaction. Consumers frequently expect long battery life for their applications and devices. Long battery life is a major differentiator in consumer buying decisions. Devices with unexpectedly short battery life can damage a company’s brand, lead to decreased sales, and even cause a costly recall. And while batteries are inexpensive, replacing them is not. Replacing batteries often costs more than the mobile device. This white paper provides tips for maximizing the battery life of your smartphone or mobile device.

Case Study 2020-10-13

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Practical Analysis of Backplane Vias
Accurate, verified models for vias in a multilayer circuit board are necessary to predict link performance in the GHz regime. This paper describes the methodology of using measurements on a test vehicle to build a high bandwidth, scalable model of long vias which includes the through and stub effects which can be used for system simulation. This simple model also provides valuable insight into the root cause of performance limits and how to overcome them.

Case Study 2020-10-12

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How to Determine Oscilloscope Signal Integrity
High signal integrity is critical with any oscilloscope in order to make accurate measurements. Knowing what specifications to look for and ask about is key for creating a stable design.

eBook 2020-10-09

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GaN Power Semiconductor Device Dynamic Characterization
Gallium nitride (GaN) power semiconductor field effect transistors (FET) pose difficult design and test challenges due to its higher frequency operation and multiple variations of technology. This article discusses how to overcome GaN FET dynamic characterization challenges.

Article 2020-10-09

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GaN Power Semiconductor Device Dynamic Characterization
Gallium nitride (GaN) power semiconductor field effect transistors (FET) pose difficult design and test challenges due to its higher frequency operation and multiple variations of technology. This article discusses how to overcome GaN FET dynamic characterization challenges.

Article 2020-10-09

DesignCon 2014
DesignCon 2014. Touchstone® v2.0 SI/PI S-Parameter Models for Simultaneous Switching Noise (SSN) Analysis of DDR4 Memory Interface Applications.

Article 2020-10-09

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Non-Destructive Analysis and EM Model Tuning of PCB Signal Traces using the Beatty Standard
Keysight and Advantest show how to use the Beatty standard on a PCB and perform non-destructive analysis and EM model tuning of Signal Traces.

Case Study 2020-09-30

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Characterization of DDR4 Receiver Sensitivity Impact on Post-equalization Eye
This paper presents a new approach to characterize the DDR4 Rx sensitivity impact on Rx post-equalization signal to overcome limitations of a traditional approach.

Case Study 2020-09-30

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Different Strategies for Preparing Students to Tackle the RF Engineering Challenges of Tomorrow: a Panel Discussion
Article Reprint Description To be provided by Aaron Ooi

Article 2020-09-22

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End-to-End System-Level Simulations with Repeaters for PCIe® Gen4
Learn how to quickly and effectively evaluate end-to-end system level simulations of a PCIe Gen4 link using PCI Express Root Complex, Repeater and End Point.

Case Study 2020-09-22

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DesignCon 2014 Mechanism of Jitter Amplification in Clock Channels
Jitter amplification in clock channels is analyzed analytically in terms of signal transfer function or channel S-parameters. The periodicity of the clock pattern eliminates the inter-symbol-interference jitter so jitter at the channel output is entirely induced by input jitter. A phase modulation (PM) approach is employed to derive the jitter transfer function and amplification factors for sinusoidal jitter (SJ), duty-cycle-distortion (DCD) and random jitter (RJ). Results demonstrate that jitter amplification is the consequence of smaller attenuation at the jitter lower sideband (LSB) than at the fundamental, which is at a higher frequency than the LSB. Scaling equations of DCD and RJ amplifications with channel loss is obtained by employing an exponential loss model. It is shown that jitter is amplified by lossy channels at any frequency below Nyquist and the effect grows exponentially with jitter frequency and data rate. Amplification factors of SJ, DCD and RJ are also derived within the square wave representation of clock signals, and the results are shown to recover those using the PM approach when high order harmonics are neglected. The theory is verified by simulations.

Article 2020-09-22

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Signal Integrity Simulation of PCI Express Gen 2 Channel
Article reprint from XrossTalk Magazine, Janurary 2009, author Jason Boh.

Article 2020-09-21

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DDoS Test Methodologies Testing Critical Financial IT Infrastructure DDoS Mitigation Systems
Recent years have seen massive change and evolution in the world of the DDoS attack. While some approaches such as Slowloris have been around for a while, relatively new reflector attacks leveraging NTP and other protocols are also present in the wild. The good news is that there are ways you can test and validate your DDoS attack mitigation systems to ensure that you have the level of protection you need.

Case Study 2020-09-21

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Accurate Statistical-Based DDR4 Margin Estimation Using SSN Induced Jitter Model
The statistical approach has become popular to design systems where the accurate prediction of random jitter is required at ultra-low BER, and DDR4 is one of the examples. The limitation of this approach is not being able to model the voltage noise due to SSO/SSN, since the statistical approach assumes the system to be time-invariant. This paper proposes a solution that extracts the jitter model from the voltage noise calculated from a transient simulation, then use it for accurate prediction of timing and voltage margin calculation in the statisticalanalysis. Measurements data is provided to validate the approach.

Case Study 2020-09-21

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Multisignal Capture and Analysis with DMMs
Learn how BenchVue makes it easy to set up communication with a DMM with no programming required, help to acquire multiple signals concurrently.

Case Study 2020-09-18

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Ensure Effective Continuous Testing in DevOps
Best practices identified when integrating continuous test into a DevOps pipeline.

Case Study 2020-09-18

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REST API for Test Automation and Lab Operations
Organizations today face a host of challenges to remain competitive. Their core goal is they want high quality products and services with faster time to market. To achieve that, they must test thoroughly and with effective repeatability. The solution is to be able to increase equipment utilization and automate, an in turn accelerate, everything in the testing process. One essential component of an effective test automation and lab operations solution is the caliber of the REST APIs (representation state transfer application interface) provided as components in the solution. This white paper examines the evolution of REST APIs, provides insight into the state-of-the-art of REST APIs, how they support continuous testing objectives in DevOps, and how they foster comprehensive automatability in testing.

Case Study 2020-09-16

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