Atec JDSU-JD785A - Manual (Page 5)

5
JD785A CELLADVISOR BASE STATION 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 +25 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.