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P6131 Instruction Manual
1
Operating Basics
The P6131 probe is a subminiature, 10X, passive probe designed specifically for
use with Tektronix 2400 Series oscilloscopes. It is fully compatible with the
Tektronix family of subminiature probe accessories. The P6131 is available
with 1.3 and 2 meter cable.
WARNING. To avoid electric shock when using the probe, do not touch the
metallic portions of the probe head while connected to a voltage source.
Lead Inductance
Inductance introduced by long leads can form resonant circuits that ring and
distort the true waveform if driven by signals containing significant frequency
components at or above resonance. To maintain optimum waveform fidelity,
keep the ground lead and signal input connection as short as possible.
Probe Compensation
Due to variations in oscilloscope input characteristics, probe low-frequency
compensation should be checked and or adjusted if you move the probe from one
oscilloscope input to another. Connect the probe tip to a 1 kHz square wave
signal (such as the oscilloscope calibrator output) and use a nonconductive
low-reactance alignment tool to adjust the compensation capacitor.
High-frequency compensation seldom requires adjustment. However, if the probe
has excessive high-frequency aberrations or insufficient bandwidth, you can
adjust the high-frequency compensation through holes in the compensation box
inner metal shield.
For complete low-frequency and high-frequency compensation adjustment
procedures, see page 10.