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P6231 Tektronix Active Probe

The P6231 is a 1.5 GHz active probe from Tektronix. Use an electrical probe to test equipment and measure currents and voltages. Probes are an integral part of any electrical power testing toolbox to ensure accurate measurements, reliability, and safety. Probes can use pulse waveforms to test components without removing them from circuits with in-circuit capabilities. Choose the probe that complements your system.

Additional Features:

  • Frequency range: DC to 1.5 GHz
  • 1.6 pF Input C
  • 450 Ω Input R
  • Bias/Offset (Tip Nulling)
  • Small size


  • Digital Design and Debug of Logic Families such as:
  • ECL
  • GaAs
  • TTL

Component Characterization/Measurement of High-Speed Analog Circuitry Relative to:

  • Amplitude Levels
  • Aberrations
  • Propagation Delay and Timing
  • Bandwidths and Rise Times

The Tektronix P6231 is a Low Circuit Loading Signal Acquisition probe for CSA, DSA, 11000 Series, and the TDS Family of Oscilloscopes.

The Tektronix P6231 Bias/Offset probe acts as a standard 500 Ω passive divider voltage with the additional capability of having an adjustable tip nulling voltage. This feature reduces the DC-Loading effects of the probe when it is used to measure signals whose mid-voltage value is not at zero volts, or in circuits where the termination impedance is not returned to ground level. The Input Bias/Offset Voltage may be adjusted so that the voltage at the probe input resistor is equal to the test signal potentional; thus, no DC current flows through the probe's input resistor.

These Active Probes may also be used with 50 Ω or 1 MΩ oscilloscope systems, with conventional BNC interfaces, via the 1103 TEKPROBE Power Supply. The 1103 has dual TEKPROBE inputs, dual BNC signal outputs, and dual voltage offset on/off switches and potentiometers.

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