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Gsm/gprs/edge signal analyzer (option 022) – Atec JDSU-JD748A User Manual

Page 5

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5

JD748A CELLADVISOR SIgnAL AnALYZER

GSM/GPRS/EDGE Signal Analyzer (Option 022)

General Parameters

Frequency range

450 MHz to 500 MHz
820 MHz to 965 MHz
1.705 GHz to 1.995 GHz

Input signal range

–40 to +20 dBm

Burst power

±1.0 dB

Frequency error

±10 Hz + ref freq accuracy

99% confidence level

GMSK modulation quality
Phase RMS accuracy
Residual error
Phase peak accuracy
8 PSK modulation quality

±1.0 degrees
0.7 degrees (typical)
±2.0 degrees

(0 < Phase RMS < 8)

(0 < Phase peak < 30)

EVM accuracy
Residual error
RF power vs. time

±1.5%
2.5%
±0.25 symbol

(2% < EVM < 8%)

Measurements

Option 022

Option 042

Channel power

Constellation

Auto measure

Channel/frequency scanner

Channel power

Burst power

Channel power

Channels or frequencies

Spectral density

Modulation type

Occupied bandwidth

Absolute power

Peak to average power

Frequency error

Spectrum emission mask

Group (traffic, control)

Occupied bandwidth

Phase error RMS

Spurious emission mask

BSIC (NCC, BCC)

Occupied bandwidth

Phase error peak

Burst power

Multipath profile

Integrated power

I/Q origin offset*

PvsT – Mask

(10 strongest)

Occupied power

TSC

Frame average power

Frame average power

Spectrum emission mask

BSIC

Frequency error

SNR, delay

Reference power

C/I*

Phase error RMS

Modulation analyzer

Peak level at defined range

EVM RMS*

Phase error peak

Frame avg power trend

Spurious emissions

EVM Peak*

EVM RMS*

C/I trend

Peak frequency at defined range

EVM 95

th

*

EVM Peak*

Frame average power

Peak level at defined range

I/Q origin offset

BSIC, frame no. and time

Power vs. time (Slot)

C/I*

C/I, frequency error

Burst power

Burst power

Max/min point

Modulation type

Power vs. time (Frame)
Frame average power
Burst power (Slot 0 to 7)
TSC (Slot 0 to 7)

Longitude, latitude, and satellite in all screens

* Measurements performed for 8PSK modulation signals (EDGE) only.