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Tektronix TPR4000

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Tektronix TPR4000

A low noise, offset.ripple on DC rails from –60 to +60 VDC.

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Product Overview

Use the Tektronix TPR4000 power rail probe to efficiently probe digital power management, memory and Ethernet connectivity, noise sources on high-frequency power rails, and chipsets for power rail voltage supply and control. The TPR4000 offers the lowest noise and high bandwidth required to measure AC ripple between 200 uVp-p and 800 mVp-p at up to 4GHz.

This power rail probe's higher input impedance minimizes the oscilloscope loading effect on DC rails to make the needed measurements.

Tektronix TPR4000 Features and Specifications:

  • Bandwidth: 4GHz
  • Offset voltage range: 60V
  • Dynamic range: 1V
  • Input resistance: 50 k ohmes DC 50 ohmes AC
  • Attenuation: 1.25x
  • DC coupling mode: DC 4GHz
  • DC reject mode: 10kHz to 4GHz
  • Dynamic range: up to 60V DC, 1V p-p AC
  • DC linearity: <0.1 percent
  • DC offset drift: 100 uV
  • Step response long-term aberrations: 1 percent
  • Input impedance: 50 k ohmes DC to 10kHz, 50 ohmes AC > 100kHz
  • Compatible with the 6 series MSO, 5 series MSO, DPO7000, and other oscilloscopes

The Tektronix TPR4000 Active Power Rail Probe is available for rent or lease at TRS-RenTelco with 24/7 support. To learn more about our calibrated test equipment, call us at 800.874.7123.


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