MTD 24632B Uživatelský manuál stáhnout pdf (Strana 10)

Spectrum Master™ MS2723C Specifications

MS2723C TDS PN: 11410-00524 Rev. J 9

CDMA Signal Analyzers (option 42, 43, 33)

Measurements

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

1to5

Carrier Bandwidth

1.23 MHz, 1.24 MHz, 1.25 MHz

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

RF Measurements

(option 42)

RF Channel Power Accuracy

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

Demodulation

(option 43)

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

1x64chips

Pilot Power Accuracy

±1.0 dB typical, relative to channel power

Tau

±0.5 µs typical, ±1.0 µs maximum

Over-the-Air (OTA) Measurements

(option 33)

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

(option 42)

Demodulation

(option 43)

Over-the-Air (OTA)

(0ption 33)

Pass/Fail

(User Editable)

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

-Ec/Io

-Tau

-Pilot Power

-Channel Power

-Pilot Dominance

Multipath Scanner (Six)

-Ec/Io

-Tau

-Channel Power

-Multipath Power

Limit Test – 10 Tests Averaged

-Rho

-Adjusted Rho

-Multipath

-Pilot Dominance

-Pilot Power

-Pass/Fail Status

Measurements

Channel Power

Occupied Bandwidth

Peak-to-Average Power

Spectral Mask Test

Frequency Error

Channel Frequency

Pilot Power

Noise Floor

Rho

Carrier Feed Through

Tau

RMS Phase Error

Code Utilization

Measured PN

Pilot Dominance

Multipath Power

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 24 25

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