Atec JDSU-JD785A - Manual (Page 3)

3
JD785A CELLADVISOR BASE STATION ANALYZER
Output Power
High 5 MHz to 5.5 GHz, 0 dBm (typical)
5.5 GHz to 6 GHz, –5 dBm (typical)
Low 5 MHz to 6 GHz, –30 dBm (typical)
Dynamic Range
Reflection 60 dB
Maximum Input Level
Average continuous power +25 dBm (nominal)
DC voltage ±50 VDC
Interference immunity
On channel
On frequency
+17 dBm @ >1.4 MHz from carrier
frequency (nominal)
0 dBm within ±10 kHz from the car-
rier frequency (nominal)
Measurements
Reflection (VSWR)
VSWR range
Return loss range
Resolution
1 to 65
0 to 60 dB
0.01
Distance to Fault (DTF)
Vertical VSWR range
Vertical return loss range
Vertical resolution
Horizontal range
Horizontal resolution
1 to 65
1 to 60 dB
0.01
0 to (# of data points – 1) x horizontal resolution
Maximum = 1500 m (4921 ft)
(1.5 x 10
8 ) x (V
P
)/delta
V
P
= propagation velocity
Delta = stop freq – start freq (Hz)
Cable Loss (1-port)
Range
Resolution
0 to 30 dB
0.01 dB
1-port Phase
Range
Resolution
–180° to +180°
0.01°
Smith Chart
Resolution
0.01
RF Power Meter (Standard)
General Parameters
Display range –100 to +100 dBm
Offset range 0 to 60 dB
Resolution 0.01 dB or 0.1 x W (x = m, u, p)
Internal RF Power Sensor
Frequency range 10 MHz to 6 GHz
Span 1 kHz to 100 MHz
Dynamic range –120 to +25 dBm
Maximum power +25 dBm
Accuracy Same as spectrum analyzer
External RF Power Sensors
Directional Power Sensor JD731B
Frequency range 300 MHz to 3.8 GHz
Dynamic range 0.15 to 150 W (average)
4 to 400 W (peak)
Connector type Type-N female on both ends
Measurement type Forward/reverse average power,
forward peak power, VSWR
Accuracy ±(4% of reading + 0.05 W) 1,2
Directional Power Sensor
Frequency range JD733A
150 MHz to 3.5 GHz
Dynamic range 0.1 to 50 W (average)
0.1 to 50 W (peak)
Connector type Type-N female on both ends
Measurement type Forward/reverse average power,
forward peak power, VSWR
Accuracy ±(4% of reading + 0.05 W) 1,2
Terminating Power Sensor JD732B
Frequency range 20 MHz to 3.8 GHz
Dynamic range –30 to +20 dBm
Connector type Type-N male
Measurement type Average
Accuracy ±7% 1
Terminating Power Sensor JD734B
Frequency range 20 MHz to 3.8 GHz
Dynamic range –30 to +20 dBm
Connector type Type-N male
Measurement type Peak
Accuracy ±7% 1
Terminating Power Sensor JD736B
Frequency range 20 MHz to 3.8 GHz
Dynamic range –30 to +20 dBm
Connector type Type-N male
Measurement type Average and Peak
Accuracy ±7% 1
1. CW condition at 25°C ±10°C.
2. Forward power.
Optical Power Meter (Option 13)
Optical Power Meter
Display range –100 to +100 dBm
Offset range 0 to 60 dB
Resolution 0.01 dB or 0.1 mW