WCA230A & WCA280A User Manual
3- 237
Selecting Input Source
You can select from three input sources in the Input menu: RF, IQ, and Cal.
Signal Input Port...
Reference Source
RF / IQ / Cal
Int / Ext
Figure 3- 167: Input menu tree
Input Menu
The Input menu contains the following controls:
Signal Input Port...
Selects which input is used for signal connection.
H
RF.
Default.
Uses the signal from the INPUT connector on the front panel.
See Figure 2--1 on page 2--2 for the front panel connectors.
H
IQ.
Option 03 only.
Uses the signal from the I INPUT and Q INPUT
connectors on the rear panel. See Figure 2--2 on page 2--4 for the rear panel
connectors.
NOTE
. IQ INPUT (Option 03 only). The IQ input gain of the analyzer is set in
10 dB steps. To maximize the dynamic range, you may need to adjust the signal
level externally, or insert attenuators in the I and Q signal paths.
When you calibrate the IQ offset, set the IQ input signal level to zero externally.
(The IQ offset calibration is included in the center offset calibration. Refer to
Calibrating Center Offset
on page 1--24.)
H
Cal.
Uses the internal 50 MHz calibration signal as the signal source.
Refer to
Functional Check
on page 1--14 for using the cal signal to check the
system performance.
Summary of Contents for WCA200A
Page 6: ......
Page 8: ......
Page 29: ...Getting Started...
Page 30: ......
Page 57: ...Operating Basics...
Page 58: ......
Page 86: ...Functional Overview 2 28 WCA230A WCA280A User Manual...
Page 125: ...Reference...
Page 126: ......
Page 208: ...Modulation Analysis Demod Mode 3 82 WCA230A WCA280A User Manual...
Page 272: ...Setting Timing Parameters 3 146 WCA230A WCA280A User Manual...
Page 346: ...Display Line 3 220 WCA230A WCA280A User Manual...
Page 358: ...Marker Operation and Peak Search 3 232 WCA230A WCA280A User Manual...
Page 388: ...File Format 3 262 WCA230A WCA280A User Manual...
Page 392: ...Screen Copy 3 266 WCA230A WCA280A User Manual...
Page 393: ...Appendices...
Page 394: ......
Page 430: ...Appendix C Digital Demodulation Symbol Mapping C 4 WCA230A WCA280A User Manual...
Page 437: ...Glossary...
Page 438: ......
Page 446: ...Glossary Glossary 8 WCA230A WCA280A User Manual...
Page 447: ...Index...
Page 448: ......