Differential Probe 3.5GHz. The Tektronix TDP3500 is an active Differential Probe with a bandwidth of 3.5 GHz. Differential Probe with TekVPI Interface Bandwidth: 3.5 GHz Rise time: 110 ps typical Attenuation: 5x Differential input capacity: <= 0.3 pF Differential input resistance: 100 kohms Dynamic differential input range: +/- 2 V Common mode rejection: >25 dB at 1 GHz Common mode input range: max. +/- 1 V Typ: active, differential Serie: TDP Excellent common mode rejection Low capacitive and resistive loading Compact probe head size for probing small geometry circuit elements Connects directly to oscilloscopes using TekVPI probe interface Probe control via GPIB/USB on the oscilloscope Easy operation per one button probe menu Auto zero Auto scaling Cable length: 1.20 m Weight: approx. 160 g