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HP 54754A TDR/TDT Setup Menu

Normalize response . . .

5-15

independently change the horizontal scale and position for the normalized

trace.

Key Path TDR/TDT Setup

Normalize response . . .Normalize scaling . . .

Horizontal

Establish normalization & ref plane

The

Establish normalization & ref plane

function establishes the filter values used

to normalize a channel and to set the reference plane for TDR and TDT

measurements. This function must be performed separately for TDR and TDT

modes. The normalization and reference plane must be re-established when

power is lost or when the instrument is turned off. However, the values used

for normalization and reference plane calculations can be stored to and re-

loaded from disk. (See the

Disk Menu

chapter in the HP 83480A, HP 54750

User’s Guide for more information.)

The reference plane must be established before ohm, % reflect or gain units are

selectable for the channel. Also, the

Reference

ref plane function is not

available in the Marker menu.

The normalization filter values and reference plane are invalidate when the

timebase scale, record length or channel bandwidth is changed. Also, the

normalization process will not be able to remove small synchronous noise in the

channels baseline if the timebase position is changed. For most measurements

this error is very small.

HP 54753A User Manual

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