Atec JDSU-JD725A - Manual (Page 7)

7
Specifications
JD725A CABLE AND ANTENNA ANALYZER
General
Max input power +25 dBm, ± 50 VDC
Frequency range 25 MHz ~ 4000 MHz
Frequency accuracy <± 75 ppm
Frequency resolution 100 kHz
Test port impedance 50 Ω
Test ports Type N Females
Trace storage Up to 400
Screen storage Up to 100
Setup storage Up to 20
Data points 126, 251, 501, 1001
Measurement speed 1, 1.3, 2.5, 5 s for each data point 1)
One port power 6 dBm (typical)
Two port power 6 dBm (typical)
-30 dBm (typical)
Corrected directivity 40 dB typical
One port accuracy ≤ ±(0.8 +|20 log (1+10 -EP/20 )|) dB (typical)
EP = Directivity-measured return loss
Immunity to interference On frequency: +5 dBm
On channel: +17 dBm
VSWR
Range 1 dB ~ 65 dB
Resolution 0.01
Return loss
Range 0 dB ~ 60 dB
Resolution 0.01
DTF
Vertical range VSWR:1 ~ 65
Return Loss 0 dB ~ 60 dB
Vertical resolution 0.01
Distance 0 ~ 1250 m (4125 ft)
Horizontal range 0 to (# of data points-1) x horizontal resolution
Horizontal resolution (1.5x10 8 )(Vp)/(Delta)* 0.95
Vp: cable’s relative propagation velocity
Delta[Hz] = Stop Freq – Start Freq
Cable Loss (one port)
Range 0 dB ~ 30 dB
Resolution 0.01 dB
Insertion Gain/Loss
Range 25 MHz ~ 2500 MHz: -90 ~ 50 dB
2500 MHz ~ 4000 MHz: -80 ~ 50 dB
Resolution 0.01 dB
RF Source
Power output (nominal) Selectable -30 dBm or +6 dBm
Resolution 100 kHz
Bias Tee (optional)
Voltage +12 V ~ +24 V (3 V step)
Current 500 mA steady state (850 mA in rush)
Power Meter (requires optional directional/terminating power
sensor)
Display range -80 dBm ~ +120 dBm
Offset range 0 ~ 60 dB
Resolution 0.01 dB or 0.1 xW
Directional Power Sensors (optional)
JD731A
Sensor type Average and Peak
Frequency range 300 MHz ~ 3800 MHz
Power range Average: 0.15 ~ 150 W (21.76 ~ 51.76 dBm)
Peak: 4 ~ 400 W (36.02 ~ 56.02 dBm)
Measurement uncertainty ± 4% of reading + 0.05 W 2,3
Input return loss ≤ 2500 MHz, 27 dB min
> 2500MHz, 25dB
Directivity 27 dB min
Insertion loss < 1 GHz, < 0.05 dB
1 ~ 2 GHz, < 0.1 dB, 2 ~ 3.8 GHz < 0.13 dB
Connector type N-female on both ends
JD733A
Sensor type Average and peak
Frequency range 150 MHz ~ 3500 MHz
Power range Average: 0.25 ~ 20 W (24 ~ 43 dBm)
Peak: 0.25 ~ 20 W (24 ~ 43 dBm)
Measurement uncertainty ± 4% of reading + 0.05 W 2,3
Input return loss ≤ 2500 MHz, 27 dB Min
> 2500 MHz, 25 dB Min
Directivity 27 dB Min
Insertion loss <1 GHz, <0.05 dB
1 ~2 GHz, < 0.1 dB, 2 ~ 3.5 GHz < 0.13 dB
Connector type N-female on both ends
Terminating Power Sensors (optional) JD732A, JD734A, JD736A
Sensor type Average (JD732A)
Peak (JD734A)
Average and Peak (JD736A)
Frequency range 20 MHz ~ 3800 MHz
Power range -30 ~ +20 dBm (1 µW ~ 100 mW)
Measurement uncertainty ± 7% of reading 2,3)
Connector type N-male
JD72450551
Sensor type Average
Frequency range 40 MHz ~ 3000 MHz
Power range ~30 dBm ~ 0 dBm (1 µW ~ 1 mW)
Measurement uncertainty ± 10% of reading ,2,3)
Connector type N-male