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  • Tektronix TPR4000 Power Rail Probe

Tektronix TPR4000 Power Rail Probe


Availability: Normally in Stock / Short Lead Time

  • Bandwidth 4 GHz

  • Offset voltage range ±60 V

  • Dynamic range ±1 V

  • Input resistance 50 kΩ DC 50 Ω AC

  • Attenuation 1.25x


The Tektronix TPR4000 Power Rail Probe provides a low noise, large offset range solution for measurement of ripple on DC power rails ranging from –60 to+60 VDC. Tektronix’s power rail probes offer industry leading low noise and high offset range required to measure AC ripple between 200 μVp-p and800 mVp-p at up to 4 GHz.

Key performance specifications

  • Compatible with the 6 series MSO, 5 series MSO, MSO/DPO3000,MDO/DPO4000, MSO/DPO5000, DPO7000, and DPO70000 (DPO70000 requires the optional TCA-VP150 adapter) oscilloscopes
  • Bandwidth: DC coupling mode: DC to 4 GHz DC reject mode: 10 kHz to 4 GHz
  • Dynamic range: Up to 60 V DC, 1Vp-p AC 
  • Attenuation: 1.25x
  • Measurement accuracy: DC linearity: <0.1%, DC offset drift: ±100 μV, Step response long-term aberrations: ±1%
  • Noise: <300 μVp-p noise on 6 Series MSO (20 MHz BW Limit), <1 mVp-p noise on 6 Series MSO (Full Bandwidth)
  • Input impedance: 50 kΩ DC to 10 kHz, 50 Ω AC > 100 kHz


  • Probing chipsets for power rail voltage supply and control in automotive, industrial and consumer markets
  • Probing digital power management, memory and Ethernet connectivity
  • Probing noise sources on high-frequency power rails