Power integrity test

Power integrity test

Ensure power integrity in your digital design

The power delivery network (PDN) distributes and delivers the DC power to all active components on the board. As disturbances on power rails can cause serious impairments on the performance of the used ICs and the overall system, Power Integrity is a paramount goal in board design.

Rohde&Schwarz provides a wide range of solutions to ensure proper power-up and power-down sequencing in your design. Our powerful tools also help you to efficiently analyze unwanted disturbances on your power rails and to identify their root cause.

Explore our solutions for:

  • Power rail test
  • Power delivery test

Power rail test: documents and videos

Power integrity measurements with R&S®RTP oscilloscopes

The R&S®RT-ZPR power rail probes include an offset circuit to remove the DC level from the power rail voltage. Together with their 1:1 attenuation ratio and low noise design, this allows power integrity measurements with highest sensitivity.

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Verifying power integrity for DDR memories

Signal integrity needs to be maintained in the presence of power and ground rail fluctuations. This becomes even more important as power rail tolerances and jitter requirements get tighter, as for modern DDR memory designs.

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Accurate and fast power integrity measurements

The R&S®RT-ZPR power rail probes provide high accuracy connections to make power integrity measurements with very high sensitivity possible. Due to the powerful FFT in R&S oscilloscopes, the results can be analyzed in both time and frequency domain.

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Five tips for power integrity measurements

This guide describes five tips for making accurate power integrity measurements with oscilloscopes.

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Download: Power integrity poster

Get your free Power integrity fundamentals poster

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Power integrity debugging
Power integrity debugging with R&S®RTP oscilloscopes

Analyzing power rail disturbances with R&S®RTP. With a built-in offset circuit, 1:1 attenuation ratio, and low noise design, R&S®RT-ZPR power rail probes, make power integrity measurements with the highest sensitivity possible.

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Power Integrity testing: Introduction

The quality of the power supply is a key factor in the performance of sensitive electronic circuits. R&S® oscilloscopes and power rail probes make accurate measurements of very small power rail disturbances possible.

Power integrity
Power Integrity testing: 5 tips for more precise measurements

The quality of the power supply is a key factor in the performance of sensitive electronic circuits. R&S® oscilloscopes and power rail probes make accurate measurements of very small power rail disturbances possible.

Webinar: Power integrity

Register and watch the power integrity webinar video with industry expert Steve Sandler (CEO of Picotest) and Rohde & Schwarz product and solution experts.

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Power Delivery Test

Impedance measurements for power delivery networks

The R&S®ZNL is ideal for measuring a wide range of impedances with the lowest uncertainty in power delivery networks (PDN), down to the milliohm and sub-milliohm ranges.

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Verifying power sequencing for FPGAs, CPUs and DSPs

The numerous supply voltages of FPGAs, CPUs and DSPs need to be powered-up in a specific order to ensure reliable operation. It is crucial to verify this power sequencing during circuit design and product development.

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Power supply rejection ratio measurement (PSRR)

PSRR is an important parameter of voltage regulators. It can be measured by applying a sinusoidal ripple to the supply voltage and measuring the gain from the input to the output of the regulator.

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Related products

Oscilloscopes

  • Power rail test
  • Power delivery test

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Vector network analyzers

  • PDN impedance test

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Signal & spectrum analyzers / Phase noise analyzers

  • Power rail test

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DC power supplies

  • Clean DC power for your digital design

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Related topics

Signal integrity test

Test solutions for:

  • Interface test
  • Clock Tree, PLL and ADC/DAC test
  • PCB and interconnect test

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High-speed digital interface testing

Test solutions for:

  • Design verification and debug test
  • Compliance test

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Power electronics testing

Test solutions for:

  • Power converter testing
  • Embedded power

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EMC testing

Test solutions for:

  • EMC compliance test
  • EMC pre-compliance test
  • EMC debugging test

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