For example: Agilent E4440A or Anritsu 68369
CT3290RA Compact 3.5 Probe

Model:CT3290RA

Manufactured by: CalTest

Category:Probes (Scope, Meters, Logic and Spectrum Analyzers)

CalTest CT3290RA - Probes (Scope, Meters, Logic and Spectrum Analyzers)

CalTest CT3290RA Overview

  • 10x Fixed Attenuation
  • 500 MHz (-3 dB) Bandwidth
  • 8 “ 18 pF Compensation
  • Meets IEC 61010-031 CAT II @ 300 V
  • Industry Compatible Accessories include:
    • Sprung Hook
    • Attenuator Tip Cover
    • Slip-on Ground Lead w/Alligator Clip
    • Slip-on Ground Lead w/0.6 mm Pin Jack
    • SMT Test Clip, Low Impedance Ground Tip
    • Ground Collar
    • Channel Identifier Clips (10 pcs.) and Deluxe Trimmer Tool
  • Download PDF for complete description.


The CT3290RA delivers 500 MHz bandwidth along with accessory compatibility to the popular Tektronix P6139A probe family.

This standard probe offering includes a readout actuator pin (sense pin), a low noise figure, durable one-piece construction, highly flexible cable and a selection of matching accessories.

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