Table 16-14
Test Port Input (Group Delay)
*1
Description
Specification
Supplemental Information
Aperture (selectable)
(frequency span)/(number of points
−
1)
Maximum Aperture
25% of frequency span
Minimum Delay
Limited to measuring no more
than 180
°
of phase change within
the minimum aperture.
Accuracy
See graph below, typical
The following graph shows group delay accuracy with type-N full 2-port calibration and a 10 Hz IF bandwidth. Insertion
loss is assumed to be < 2 dB.
In general, the following formula can be used to determine the accuracy, in seconds, of specific group delay measurement:
±
Phase Accuracy (deg) / [360
×
Aperture (Hz)]
546
Chapter 16
Specifications and Supplemental Information
Test Port Input
*1.Group delay is computed by measuring the phase change within a specified step (determined by the frequency
span and the number of points per sweep).
Summary of Contents for E5070B
Page 6: ......
Page 30: ...24 Contents ...
Page 34: ...28 Chapter1 Precautions Before contacting us ...
Page 286: ...280 Chapter6 Data Analysis Using the Equation Editor ...
Page 430: ...424 Chapter12 Optimizing Measurements Performing a Segment by Segment Sweep segment sweep ...
Page 538: ...532 Chapter15 Measurement Examples Executing Power Calibration ...
Page 634: ...628 AppendixB Troubleshooting Warning Message ...
Page 732: ...726 AppendixD Softkey Functions Trigger Menu ...
Page 740: ...734 AppendixE General Principles of Operation Data Processing ...
Page 760: ...754 AppendixF Replacing the 8753ES with the E5070B E5071B Comparing Functions ...