KEYSIGHT 示波器探棒 Probe

High-Frequency Differential Active Probes < 10 GHz

Probing high-speed differential buses typically requires differential active probes. Keysight offers a broad range of differential active probing solutions for your unique measurement requirements based on bandwidth, dynamic measurement range, and probe loading.


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High-Frequency Differential Active Probes  < 10 GHz
Model Bandwidth Input Range Probe Offset Diff Input Impedance Attenuation Ratio Prob-to-scope Interface Power Source Oscilloscope Termination
N2750A 1.5 GHz ±5 V ±15 V 100 kΩ/0.7 pF 2:1/10:11 AutoProbe1 Oscilloscope 50 Ω
N2751A 3.5 GHz ±5 V ±15 V 100 kΩ/0.7 pF 2:1/10:11 AutoProbe1 Oscilloscope 50 Ω
N2752A 6.0 GHz ±5 V ±15 V 100 kΩ/0.7 pF 2:1/10:11 AutoProbe1 Oscilloscope 50 Ω
1130B2 1.5 GHz ±2.5 V ±12 V 50 kΩ/0.27 pF 10:1 AutoProbe1 Oscilloscope 50 Ω
1131B2 3.5 GHz ±2.5 V ±12 V 50 kΩ/0.27 pF 10:1 AutoProbe1 Oscilloscope 50 Ω
1132B2 6.0 GHz ±2.5 V ±12 V 50 kΩ/0.27 pF 10:1 AutoProbe1 Oscilloscope 50 Ω
1134B2 7.0 GHz ±2.5 V ±12 V 50 kΩ/0.27 pF 10:1 AutoProbe1 Oscilloscope 50 Ω
N2830A2,3 4 GHz ±2.5 V ±16 V 100 kΩ/0.32 pF 5:1/10:11 AutoProbe1 Oscilloscope 50 Ω
N2831A2,3 8 GHz ±2.5 V ±16 V 100 kΩ/0.32 pF 5:1/10:11 AutoProbe1 Oscilloscope 50 Ω
N7000A2 8 GHz ±2.5 V ±16 V 100 kΩ/0.32 pF 5:1/10:11 AutoProbe2 Oscilloscope 50 Ω
  1. Auto-selected based on V/division setting.
  2. Requires differential probe head sold separately.
  3. Not compatible with InfiniiVision X-Series oscilloscopes, but is compatible with the Infiniium UXR (1 mm & 1.85 mm models) with the cascaded use of the N5442A and N2852A adapters
Oscilloscope Compatibility for High-Frequency Differential Active Probes (<10 GHz)
Probe-to-scope Interface Scope Termination Compatible Oscilloscopes
BNC 50 Ω
  • InfiniiVision 3000A, 3000T, 4000, and 6000 X-Series 
  • Infiniium EXR, MXR, S-Series, 9000 Series
  • Any vendor’s oscilloscope with a BNC input connection and a 50 Ω input impedance termination 
AutoProbe1

50 Ω
  • InfiniiVision 3000A, 3000T, 4000, and 6000 X-Series (except N2830A and N2831A)
  • Infiniium EXR, MXR, S-Series, 9000, and 90000A Series
  • Infiniium UXR (3.5 mm models), V, Z, Q, and 90000X Series with the use of the N5442A adapter
AutoProbe2 50 Ω
  • Infiniium UXR (3.5 mm models), V, Z, Q, and 90000X Series

AutoProbe Interface

Keysight’s AutoProbe interface provides the following:

  • DC voltage to power active probe circuitry
  • Automatic detection of probe attenuation
  • Automatic control of selectable probe attenuation on some probes
  • Probe DC offset on many probes