Active Probes - Tektronix 11A34 User Reference Supplement

When the input impedance is set to 5OQ and the input voltage subs~tially
exceeds 5 Vrms, the 1
1
To reset the input impedance to 50 4 first correct the overload condition, then

Active Probes

Using an active probe, such as the p6231, eliminates two options: AC Coupling
and 1 MR input impedance. Coupling options available when using such a
Probe ID
The Prube ID function is the means of selerting how the 11401 or 11402
Function is part
Utilities major menu.) All, or sDme cornErration
menu, press the front-panel UTILMY button. For details, see the Probe
Pressing the prok ID button on init& one of the following operations:
1.
will sense @e
of the Fmbes popup menu, which is selected from the
If the Probe ID function (in the Probes popup menu of the Utility
major menu) is set to
Settings, then operation 2 or 3, v+ich involve a new Waveform and
waveform selection, will occur.
stored as explained under Stoi *tg ar 1 Recalling Waveforms in the 11401
and 11402 User's Reference manual.
If the Probe ID Function (in the
major
waveform.
Part Zi-Opat@g the llA3-4 in 11401 and 11402 Mainframes
overload, disconnect the M a input
of the following operations
the next front-panel setting
waveform will he
to select a new