Gsm/gprs/edge signal analyzer (option 022) – Atec JDSU-JD748A User Manual
Page 5
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.