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Single-ended TDR Measurements

Establishing the Reference Plane and Normalizing

7-14

16 Press the

Enter

softkey.

Figure 7-7

The risetime of the normalized step is now approximately equal to the risetime

of the incident step.

1 Press the blue key followed by the 8 key to turn on the automated

measurement and select response 1.

2 Press the

Enter

softkey.

3 Connect an SMA short to the end of the cable.

4 Press the

Clear display key. Whenever an external connection is changed,

Clear display should be pressed to reset averaging.

The falltime is now approximately equal to the risetime of the incident step.

Therefore, the normalization has removed cable loss effects by boosting the

higher frequencies.

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HP 54753A Specifications

General