Cdma/ev-do measurements (option 884) – Atec Anritsu-MT2720T User Manual

Page 13

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Spectrum Master™ MS2720T

Spectrum Analyzer Specifications

MS2720T TDS

PN: 11410-00646 Rev. H

13 of 24

CDMA/EV-DO Measurements (Option 884)

CDMA Measurements

CDMA Setup Parameters

PN Setup

PN Trigger (No Trigger, GPS, External), PN Search Type (Auto, Manual), PN Offset

Walsh Codes

64, 128

Measurement Speed

Fast, Normal, Slow

External Trigger Polarity

Rising, Falling

Number of Carriers

1 to 5

Carrier Bandwidth (MHz)

1.23, 1.24, 1.25

Frequency

Center, Signal Standard, Channel #, Closest Channel, Decrement/Increment Channel

Amplitude

Scale/Division, Power Offset, Auto Range, Adjust Range, Units (dBm/Watts)

Sweep

Single/Continuous, Trigger Sweep

Save/Recall

Setup, Measurement, Screen Shot (save only), to Internal/External Memory

Measurement Summary Screens

Overall Measurements, RF Measurements, Signal Quality Measurements

CDMA RF Measurements

RF Channel Power Accuracy

± 1.5 dB, ± 1.0 dB typical, (RF input –50 dBm to +20 dBm)

CDMA Demodulation Measurements

Frequency Error

± 10 Hz + time base error, 99 % confidence level (in slow mode)

Rho Accuracy

± 0.005, for Rho > 0.9

Residual Rho

> 0.995, typical, > 0.99 maximum, (RF input –50 dBm to +20 dBm)

PN Offset

1 x 64 chips

Pilot Power Accuracy

± 1.0 dB typical, relative to channel power

Tau

± 0.5 µs typical, ± 1.0 µs maximum

CDMA Over-the-Air (OTA) Measurements

Pilot Scanner

Nine strongest pilots

Multipath Scanner

Multipath power of six signals relative to strongest pilot

Limit Test

Average of ten tests compared to limit

RF

Demodulation

Over-the-Air (OTA)

Pass/Fail

Channel Spectrum

Channel Power

Occupied Bandwidth

Peak-to-Average Power

Spectral Emission Mask
Multi-carrier ACPR
RF Summary

Code Domain Power Graph

Pilot Power

Channel Power

Noise Floor

Rho

Carrier Feed Through

Tau

RMS Phase Error

Frequency Error

Abs/Rel/ Power

Pilot

Page

Sync

Q Page

Code Domain Power Table

Code

Status

Power

Multiple Codes

Code Utilization

Modulation Summary

Pilot Scanner (Nine)

PN

E

c

/I

o

Tau

Pilot Power

Channel Power

Pilot Dominance

Multipath Scanner (Six)

E

c

/I

o

Tau

Channel Power

Multipath Power

Limit Test – 10 Tests Averaged

Rho

Adjusted Rho

Multipath

Pilot Dominance

Pilot Power

Pass/Fail Status

View Pass/Fail Limits

All, RF, Modulation

Available Measurements

Channel Power

Occupied Bandwidth

Peak-to-Average Power

Spectral Mask Test

Frequency Error

Channel Frequency

Frequency error

Pilot Power

Noise Floor

Rho

Carrier Feed Through

Tau

RMS Phase Error

Code Utilization

Measured PN

Pilot Dominance

Multipath Power

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