CMMB Measurement Application

N6158A, CMMB Measurements Application

Description

Specifications

Supplemental Information

 

 

 

Modulation Analysis Settings

 

 

Device Type

Transmitter or Exciter

 

Trigger

FreeRun, External 1, External 2 or

• External Trigger is used with 1

 

Periodic Timer

PPS input from GPS, (this trigger

 

 

method is recommended for SFN

 

 

mode)

 

 

• Periodic Timer Trigger is used

 

 

usually used for MFN mode or

 

 

SFN mode without 1 PPS input

 

 

• FreeRun can be used when all of

 

 

the timeslots use the same Mod

 

 

Format (this trigger mode is

 

 

recommended for Exciter under

 

 

Test Mode)

Sync Frame Now

 

Immediate Action to synchronize

 

 

CMMB signals when using Periodic

 

 

Timer or External Trigger

Meas Type

PLCH, Timeslot or Frame

 

PLCH Settings

CLCH or SLCH (0-38)

Enabled when Meas Type is PLCH

Timeslot Settings

Start Timeslot

Enabled when Meas Type is

 

Meas Interval

Timeslot

 

 

 

Modulation Format: BPSK, QPSK

 

 

or 16 QAM

 

MER Limit

38 dB as default

Auto or Manual

Spectrum

Normal or Invert

 

 

 

 

Clock Rate

10.0 MHz

Auto or Manual

 

 

 

Demod Symbols Per Slot

4 to 53

 

 

 

 

Out of Band Filtering

On or Off

 

 

 

 

Data Equalization

On or Off

 

 

 

 

Chapter 23

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Agilent Technologies N9010A specifications

N9010A specifications

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