Atec JD745A User Manual

COMMUNICATIONS TEST & MEASUREMENT SOLUTIONS

JD745A

CellAdvisor™ Base Station Analyzer

Spectrum Analyzer: 100 kHz to 4 GHz

Cable and Antenna Analyzer: 5 MHz to 4 GHz

Power Meter: 10 MHz to 4 GHz

Specication Conditions

Specications apply under these conditions:

• e instrument has been turned on for at least 15 minutes

• e instrument is operating within a valid calibration period

• Data with no tolerance are considered typical values

• Cable and antenna measurements apply aer calibration to the OSL standard

• Typical and nominal values are dened as:

– Typical: expected performance of the instrument operating under 20° to 30°C

aer being at this temperature for 15 minutes

– Nominal: a general, descriptive term or parameter

WEBSITE: www.jdsu.com/test

2

Spectrum Analyzer (standard)

JD745A CELLADVISOR BASE STATION ANALYZER

Frequency

Frequency range 100 kHz to 4 GHz

Internal 10 MHz Frequency Reference

Accuracy ±0.05 ppm + aging (0 to 50°C)
Aging ±0.5 ppm/year

Frequency Span

Range 0 Hz (zero span)

10 Hz to 4 GHz

Resolution 1 Hz

Resolution Bandwidth (RBW)

–3 dB bandwidth 1 Hz to 3 MHz 1-3-10 sequence
Accuracy ±10% (nominal)

Video Bandwidth (VBW)

–3 dB bandwidth 1 Hz to 3 MHz 1-3-10 sequence
Accuracy ±10% (nominal)

Single Sideband (SSB) Phase Noise

Fc 1 GHz, RBW 10 kHz, VBW 1 kHz, RMS detector
Carrier oset:

30 kHz
100 kHz
1 MHz

<–90 dBc/Hz (typical)
<–95 dBc/Hz (typical)
<–102 dBc/Hz (typical)

Measurement Range

DANL to +20 dBm
Input attenuator range 0 to 50 dB, 5 dB steps

Maximum Input Level

Average continuous power +20 dBm
DC voltage ±50 VDC

Displayed Average Noise Level (DANL)

1 Hz RBW, 1 Hz VBW, 50 Ω termination, 0 dB attenuation, RMS detector
Preamplier O:

10 MHz to 2.3 GHz
>2.3 GHz to 3 GHz
>3 GHz to 4 GHz

Preamplier On:
10 MHz to 2.3 GHz
>2.3 GHz to 3 GHz
>3 GHz to 4 GHz

–140 dBm (–146 dBm, typical)
–138 dBm (–144 dBm, typical)
–135 dBm (–140 dBm, typical)

–155 dBm (–160 dBm, typical)
–153 dBm (–158 dBm, typical)
–150 dBm (–156 dBm, typical)

Display Range

Log scale and units
(10 divisions displayed)

Linear scale and units
(10 divisions displayed)

Detectors Normal, positive peak, sample,

Number of traces 6
Trace functions Clear/write, maximum hold,

1 to 20 dB/division in 1 dB steps
dBm, dBV, dBmV, dBµV

V, mV, mW, W

negative peak, RMS

minimum hold, capture, load
view on/o

Total Absolute Amplitude Accuracy

Preamplier o, power level >–50 dBm, auto-coupled (20 to 30°C)
5 MHz to 4 GHz ±1.25 dB, ±0.5 dB (typical)

±1.55 dB, ±1.0 dB (typical)

Attenuation <40 dB
Attenuation ≥40 dB

Reference Level

Setting range –120 to +100 dBm
Setting resolution

Log scale
Linear scale

0.1 dB
1% of reference level

Markers

Marker types Normal, delta, delta pair, noise,

frequency count marker

Number of markers 6

Marker functions Peak, next peak, peak left,

peak right, minimum search
marker to center/start/stop

RF Input VSWR

20 MHz to 4 GHz 1.5:1 (typical)

Second Harmonic Distortion

Mixer level = –25 dBm
10 MHz to 1.3 GHz <–65 dBc (typical)
>1.3 GHz to 4 GHz <–70 dBc (typical)

Third-Order Inter-Modulation (third-order intercept: TOI)

200 MHz to 2 GHz +10 dBm (typical)
>2 GHz to 4 GHz +12 dBm (typical)

3

JD745A CELLADVISOR BASE STATION ANALYZER

Spurious

Inherent residual response
Input terminated, 0 dB attenuation, preamplier o, RBW at 10 kHz

20 MHz to 3 GHz –90 dBm (nominal)
>3 GHz to 4 GHz –85 dBm (nominal)
Exceptions <–80 dBm @ 311.94 MHz

<–84 dBm @ 415.92 MHz
<–85 dBm @ 519.90, 1599.00, and 2497.80 MHz

Input related spurious <–70 dBc (nominal)

Dynamic Range

2/3 (TOI-DANL) in 1 Hz RBW >95 dB

Sweep Time

Range 80 ms to 1000 s

24 µs to 200 s

Sweep mode Continuous, single

Span = 0 Hz (zero span)

Gated Sweep

Trigger source External, video, and GPS
Gate length 1 µs to 100 ms
Gate delay 0 to 100 ms

Trigger

Trigger source Free run, video, external
Trigger delay

Range
Resolution

0 to 200 s
6 µs

Measurements*

Channel power
Occupied bandwidth
Spectrum emission mask
Adjacent channel power
Spurious emissions
Field strength
AM/FM audio demodulation
Route map
PIM detect
Dual spectrum

* CW signal generator (Option 003) can be set up simultaneously.

Cable and Antenna Analyzer (standard)

Frequency

Range 5 MHz to 4 GHz
Resolution 10 kHz
Accuracy ±25 ppm

Data Points

126, 251, 501, 1001
Measurement speed 1.65 ms/point (nominal)

Measurement Accuracy

Corrected directivity 40 dB (typical)
Reection uncertainty ±(0.3 + |20log (1+10

Output Power

High 0 dBm (typical)
Low –30 dBm (typical)

Dynamic Range

Reection 60 dB

Maximum Input Level

Average continuous power +25 dBm (nominal)
DC voltage ±50 VDC
Interference immunity

On channel

On frequency

Measurements

Reection (VSWR)
VSWR range
Return loss range
Resolution

Distance to Fault (DTF)
Vertical VSWR range
Vertical return loss range
Vertical resolution
Horizontal range

Horizontal resolution

Cable Loss (1-port)
Range
Resolution

1-port Phase
Range
Resolution

Smith Chart
Resolution

EP = directivity – measured return loss

+17 dBm at >1.4 MHz from carrier
frequency (nominal)
0 dBm within ±10 kHz from the car­rier frequency (nominal)

1 to 65
0 to 60 dB

0.01

1 to 65
1 to 60 dB

0.01
0 to (# of data points – 1) x Horizontal Resolution
Maximum = 1500 m (4921 ft)

8

(1.5x10

) x (VP)/(delta) x (0.95)

VP = propagation velocity

Delta = stop freq. – start freq. (Hz)

0 to 30 dB

0.01 dB

–180° to +180°

0.01°

0.01

-EP/20

)|) (typical)

4

JD745A CELLADVISOR BASE STATION ANALYZER

RF Power Meter (standard)

General Parameters

Display range –100 to +100 dBm
Oset range 0 to 60 dB
Resolution 0.01 dB or 0.1xW (x = m, u, p)

Internal RF Power Sensor

Frequency range 10 MHz to 4 GHz
Span 100 kHz to 100 MHz
Dynamic range –120 to +20 dBm
Maximum power +20 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)

Directional Power Sensor

Frequency range
Dynamic range 0.1 to 50 W (average)

Connector type Type-N female on both ends
Measurement type Forward/reverse average power,

Accuracy ±(4% of reading + 0.05 W)

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%

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%

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%

JD733A

150 MHz to 3.5 GHz

0.1 to 50 W (peak)

forward peak power, VSWR

1

1

1

1,2

1,2

Optical Power Meter (Option 13)

Optical Power Meter

Display range –100 to +100 dBm
Oset range 0 to 60 dB
Resolution 0.01 dB or 0.1 mW

External Optical Power Sensors

Optical Power Sensor

Wavelength range
Max permitted input level +10 dBm
Connector input Universal 2.5 and 1.25 mm
Accuracy ±5%

Optical Power Sensor

Wavelength range
Max permitted input level +23 dBm
Connector input Universal 2.5 and 1.25 mm
Accuracy ±5%

MP-60

780 to 1650 nm

MP-80

780 to 1650 nm

2-Port Transmission Measurements (Option 001)

Frequency

Frequency range 5 MHz to 4 GHz
Frequency resolution 10 kHz

Output Power

High 0 dBm (typical)
Low –30 dBm (typical)

Measurement Speed

Vector 2.2 ms/point (nominal)

Dynamic Range

Vector 5 MHz to 3 GHz, 80 dB

>3 GHz to 4 GHz, 75 dB

Scalar 5 MHz to 4 GHz, >100 dB

Measurements

Insertion Loss/Gain
Range
Resolution

2-Port Phase
Range
Resolution

–120 to 100 dB

0.01 dB

–180° to +180°

0.01°

1. CW condition at 25°C ±10°C.

2. Forward power.

5

JD745A CELLADVISOR BASE STATION ANALYZER

Bias Tee (Option 002)

Voltage

Voltage range +12 to +32 V
Voltage resolution 0.1 V

Power

8 W Max

CW Signal Generator (Option 003)

Frequency

Frequency range 25 MHz to 4 GHz
Frequency reference ±25 ppm Maximum
Frequency resolution 10 kHz

Output Power

Range 0 dBm, –30 to –80 dBm
Step 1 dB
Accuracy ±1.5 dB (15 to 35°C)

GPS Receiver and Antenna (Option 010)

GPS Indicator

Latitude, longitude, altitude

Interference Analyzer (Option 011)

Measurements

Spectrum analyzer Sound indicator, AM/FM audio demodulation,

interference ID, spectrum recorder
Spectrogram Collect up to 72 hours of data
RSSI Collect up to 72 hours of data
Interference nder
Spectrum replayer
Dual spectrogram

Channel Scanner (Option 012)

Frequency Range

10 MHz to 4 GHz

Measurement Range

–110 to +20 dBm

Measurements

Channel scanner 1 to 20 channels
Frequency scanner 1 to 20 frequencies
Custom scanner 1 to 20 channels or frequencies

High-Frequency Accuracy

Spectrum, interference, and signal analyzer
GPS lock ±25 ppb
Hold over (for 3 days) ±50 ppb (0 to 50°C) 15 minutes after

satellite locked

Connector SMA, female

JD745A CELLADVISOR BASE STATION ANALYZER

6

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 + reference-frequency accuracy 99% condence level
GMSK modulation quality
Phase RMS accuracy

Residual error
Phase peak accuracy
8 PSK modulation quality

EVM accuracy
Residual error
RF power vs. time

±1.0 degrees

0.7 degrees (typical)

±2.0 degrees

±1.5%

2.5%

±0.25 symbol

(0 < Phase RMS < 8)

(0 < Phase peak < 30)

(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 (trac, control)
Occupied Bandwidth Phase error RMS Spurious emission mask BSIC (NCC, BCC)
Occupied bandwidth Phase error peak Burst power Multipath Prole
Integrated power I/Q origin oset* 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 dened range EVM RMS* Phase error peak Frame avg power trend
Spurious Emissions EVM peak* EVM RMS* C/I trend
Peak frequency at dened range EVM 95
Peak level at dened range I/Q origin oset 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)

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

th

* EVM peak* Frame average power

Longitude, latitude, and satellite in all screens