Micsig DP Series High-Voltage Differential Probe

• How Accurate Are Measurements Across the Specified Bandwidth?

  Micsig quotes a typical accuracy of ±2%. It doesn't publish a numeric amplitude flatness figure, so check the datasheet for the model you plan to use.

  Answered by John LeggUpdated 13 Oct 2026
• What Makes the DP Series Suitable for Floating Measurements?

  High common-mode voltage capability and high CMRR let you safely measure signals referenced to high potentials, without ground loops.

  Answered by John LeggUpdated 13 Oct 2026
• Which Oscilloscope Brands Are Compatible with DP Series Probes?

  Any oscilloscope with a BNC input that matches the probe's output impedance: 1 MΩ for the 100 MHz and 200 MHz models, 50 Ω for the 300 MHz models (DP1503 and DP3003). Micsig says the probes suit most oscilloscope brands but doesn't name any, so check the input impedance setting on your scope.

  Answered by John LeggUpdated 13 Oct 2026
• How Do I Minimise Noise in Sensitive Measurements?

  • use dual-range selection for the best signal-to-noise ratio (the lower range has the lower noise)
  • enable the 5 MHz bandwidth limit when appropriate
  • make sure the probe is zeroed, with the inputs shorted and after a warm-up of about 10 minutes

  Answered by John LeggUpdated 13 Oct 2026
• What Maintenance Is Required for Long-term Reliability?

  Three simple steps:

  • run the auto-zero calibration periodically
  • protect the probe tips from mechanical damage
  • store the probe in a case when not in use (a case is an optional accessory)

  Answered by John LeggUpdated 13 Oct 2026
• What Voltage Ranges Are Available Across the DP Series Models?

  The DP Series comes in four voltage ranges, each with a choice of bandwidths:

  • 700 Vpk (DP700, DP702)
  • 1500 Vpk (DP1500, DP1502, DP1503)
  • 3000 Vpk (DP3000, DP3002, DP3003)
  • 7000 Vpk (DP7000, DP7002)

  The last digit of the model number sets the bandwidth: 0 for 100 MHz, 2 for 200 MHz and 3 for 300 MHz. The 300 MHz models are in the 1500 V and 3000 V families only.

  Answered by John LeggUpdated 13 Oct 2026
• Which Bandwidth Should I Select for High-speed Switching Measurements?

  For GaN and SiC power devices, choose a 300 MHz model (DP1503 or DP3003). For traditional silicon devices, the 100 MHz and 200 MHz models, such as the DP700 and DP702, work well.

  Answered by John LeggUpdated 13 Oct 2026
• What CMRR Does the DP Series Achieve?

  The DP Series achieves more than 80 dB CMRR at DC. CMRR falls as frequency rises, to more than 26 dB at 100 MHz, so check the figure at the frequency of your common-mode signal. The probes work with most oscilloscope brands, provided the scope input matches the probe's output impedance.

  Answered by John LeggUpdated 13 Oct 2026
• What Safety Certifications Do DP Series Probes Maintain?

  Safety category ratings vary by model and are listed per category in Micsig's quick guide, so check the rating for the probe you choose. Common-mode voltage handling goes up to 7000 V depending on the model.

  Answered by John LeggUpdated 13 Oct 2026
• Can I Use the 5 MHz Bandwidth Limit for Switch-mode Power Supply Measurements?

  Yes. The 5 MHz bandwidth limit is available across the series and suppresses high-frequency switching noise. It slows edges, so it preserves the fundamental only when the switching frequency is well below 5 MHz.

  Answered by John LeggUpdated 13 Oct 2026

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