Atec JD725A User Manual

COMMUNICATIONS TEST & MEASUREMENT SOLUTIONS
JD725A
Cable and Antenna Analyzer - Dual Port
Key Features
Portable and lightweight handheld instrument•
Built-in wireless frequency bands as well as the most commonly • used RF cable types
Touch-screen 7” TFT color display •
Superior immunity to RF interferences•
Up to 1001 data points for high resolutions and long distance • problem location
USB port, allowing external USB memory device•
Saves up to 400 measurement traces•
Saves up to 100 measurement screens•
Saves up to 20 user denable setups•
Interface with application soware, JDViewer, for data • management and report creation
On-screen keyboard permitting saving les quickly and easily•
Rechargeable and eld replaceable lithium-ion battery•
Key Measurements
VSWR• Return Loss• DTF (Distance to Fault)• Cable Loss• Insertion Loss • Insertion Gain• Power Meter• RF Source•
Advanced Functions
Trace overlay allows comparative analysis • of up to 4 traces in a single measurement screen. In addition to its 6 markers it also provides • up to 3 Marker Bands. Reection measurements are presented in • VSWR, Return Loss or Smith Charts.
Introduction
Many of modern wireless base stations are a complex system of multiple RF components such as Low Noise Amplifiers (LNA), duplexers and Tower Mounted amplifiers (TMA). The performance of those RF components directly affects cell site’s coverage and capacity. It is essential to have the right instrument to service and verify the proper functionality of those components.
The JD725A has all of necessary measurements functions to perform RF component measure­ments including, insertion gain, insertion loss, antenna isolation, TMA performance and duplexer antennas verification.
In addition, the JD725A accurately characterizes the site’s antenna system including Voltage Stand­ing Wave Ratio (VSWR), Distance To Fault (DTF), cable loss and power measurements.
The JD725A is an easy to use field instrument, equipped with a touch panel color display allow­ing rapid measurements and obtaining results clearly displayed. Its application software, JDViewer, allows the user to easily compare and analyze measurements and generate professional reports.
The JD725A was designed for field testing operation and is equipped with a rechargeable field replaceable Lithium-Ion battery which enables continuous operation for more than three hours.
WEBSITE: www.jdsu.com/test
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SERIA L
D-sub serial interface port to connect an optional external power sensor
USB Host
USB Mem ory Stick port, used for either saving measurement data or upgr ading the instrument’s firmware
LAN
Ethernet Communication Port To connect a PC with the application SW
RF Out/Reflect ion
50ohm N-type RF Connector to measure VSWR, DTF and One port cable loss
DC 15V IN
External DC input port
RF In
50ohm N-type RF Connector, in conjunction with RF Out/Ref lection port, to measure amplifier gain and cable insertion loss
USB Client
USB Po rt to connect a PC with the application SW
7 COLOR LCD
Daylight viewable high resolution LCD display
SCRE EN MENU
Displays selectable menu in connection with function keys or sof t ke ys
ESC
Cancels latest selection or moves to previous menu
SPEAK ER
Generates audio, if enabled, for alarms and key selections
KNOB & UP/DOWN
Mov es marker positions of items on the table list
ENT ER
Finishes an entry, wh ich is value or test parameter
AUTO SCALE
Adjusts Y scale on screen for optimal display of traces
TRACE POINT
Selects trace points among 126, 251, 501 or 1001
TRACE
Captures up to 4 traces Assign saved trace to T race #
FR EQ / D IST
Sets frequency range or selects a standard or custom frequency band. Sets distance and selects standard or custom cables
MARKER
Supports six ma rke rs for each tr ace
LOA D
Recalls saved traces to compare with current or other saved traces
POWER & LED
Power ON/OFF
Green LED: Power On status Red LED: External power
CAL
Performs calibration for VSWR, DTF, Cable Loss and Gain /Loss measurements
SYSTE M
Pr esent s syst em information or upgrades the instrument's firmware
POWER M ETER and SIGNAL GENERATOR
Measures transmission power and generates a CW signal
GAI N/ LOSS
Measures amplif ier gain and cable insertion loss
VSWR
Measures impedance matching
DTF
Measures distance to fault location
HOL D
Pauses current measurement display
SCALE
Changes Y-axis scal e, VSWR or Return Loss or Smith Chart
PEAK
Identifies the highest peak of the trace
LI GHT
Sets LCD Brightness
AMP
Sets Y-a xis M in /Max, limit and limit level
SAVE
Save s scr een , tr ace, and setup
SOFT KEY
Selects menu displayed on the screen
Panel Overview
Top View
Front View
JD725A CABLE AND ANTENNA ANALYZER
JD725A CABLE AND ANTENNA ANALYZER
3
Main Functions
VSWR / Return Loss
VSWR and Return Loss measurements provide the impedance per­formance and signal reflection characteristics of cable, connectors, and antenna systems.
Frequency range: 25 to 4000MHz• Dynamic Range: 60dB• Over 80 wireless frequency bands built-in in the instrument’s data-• base Flexibility to incorporate additional frequency bands• User denable limit line for•
DTF (Distance to Fault)
The DTF measurement function allows user to accurately identify faulty locations.
Frequency range: 25 to 4000MHz• Distance: Up to 1250m (4125)• Dynamic Range: 60 dB• High resolution mode with 1001 points• Over 95 cable types built-in in the instrument’s database• Flexibility to incorporate additional cable types• User denable limit line for fast Pass/Fail characterization•
JD725A CABLE AND ANTENNA ANALYZER
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Cable Loss
Cable Loss measures the amount of signal lost by the cable line, this mea­surement facilitates a rapid compliance verification analysis throughout the transmission line.
Frequency range: 25 to 4000MHz• Dynamic Range: 0 to 30dB• User denable limit line for fast Pass/Fail characterization•
Insertion Gain / Loss
The Insertion Gain measurement simplifies the task of verifying ampli­fiers and antenna isolation.
Insertion Loss measurements accurately quantifies the amount of signal loss as it passes through a cable, attenuator, filter, amplifier or any other RF device.
Frequency range: 25 to 4000MHz• Dynamic Range: -90 to 50dB• User denable limit line for fast Pass/Fail characterization•
JD725A CABLE AND ANTENNA ANALYZER
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Power Meter
The Power Meter function makes power measurements easy and com­prehensible using external power sensors. Its configurable settings allow display range, maximum and minimum limits, and the selection of power units in dBm or Watts.
Lower/Upper power limit can be set for a fast testing through Pass/• Fail indication Power Sensor types •
- Directional Power Sensor
- Terminating Power Sensor
Bias Tee (Option JD725A001)
The optional built-in Bias Tee supplies selectable voltage of 12V to 24V with 3V steps on the RF In port eliminating the need of an external power supply.
Application Software
The JD725A Application Software, JDViewer, provides all the necessary tools to operate the instrument more conveniently including:
Communication with the instrument via LAN/USB• Smith Chart support• VSWR-DTF conversion• Captures saved plots • Registers or edits user denable wireless frequency bands into the • instrument’s custom bands list Registers or edits user denable cable types into the instrument’s • custom cable list Edits measurement charts• Report templates available• Generates and prints reports• Exports measurement reports•
JD725A CABLE AND ANTENNA ANALYZER
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Advanced Functions
The JD725A provides additional functions allowing superior analysis.
Trace Overlay
Trace Overlay allows comparative analysis of up to 4 traces by superim­posing them together on one measurement graph.
Additionally, up to 6 markers can be set on any trace among multiple traces to see its corresponding value.
Marker Bands
Marker Bands are user definable markers on frequency sub-bands enabling a visual identification of uplink and downlink frequencies per­forming compliance verification with a single measurement trace.
Smith Chart
The JD725A is capable of performing Smith Chart measurements to dis­play on the site impedance of the antenna and transmission line.
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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 One port power 6 dBm (typical) Two port power 6 dBm (typical)
Corrected directivity 40 dB typical One port accuracy ≤ ±(0.8 +|20 log (1+10
EP = Directivity-measured return loss
Immunity to interference On frequency: +5 dBm
-30 dBm (typical)
-EP/20
)|) dB (typical)
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
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
Vp: cable’s relative propagation velocity
Return Loss 0 dB ~ 60 dB
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)(Vp)/(Delta)* 0.95
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
Resolution 0.01 dB
2500 MHz ~ 4000 MHz: -80 ~ 50 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
1)
Sensor type Average and Peak Frequency range 300 MHz ~ 3800 MHz Power range Average: 0.15 ~ 150 W (21.76 ~ 51.76 dBm)
Measurement uncertainty ± 4% of reading + 0.05 W Input return loss ≤ 2500 MHz, 27 dB min
Directivity 27 dB min Insertion loss < 1 GHz, < 0.05 dB
Connector type N-female on both ends
Peak: 4 ~ 400 W (36.02 ~ 56.02 dBm)
> 2500MHz, 25dB
1 ~ 2 GHz, < 0.1 dB, 2 ~ 3.8 GHz < 0.13 dB
JD733A
Sensor type Average and peak Frequency range 150 MHz ~ 3500 MHz Power range Average: 0.25 ~ 20 W (24 ~ 43 dBm)
Measurement uncertainty ± 4% of reading + 0.05 W Input return loss ≤ 2500 MHz, 27 dB Min
Directivity 27 dB Min Insertion loss <1 GHz, <0.05 dB
Connector type N-female on both ends
Peak: 0.25 ~ 20 W (24 ~ 43 dBm)
> 2500 MHz, 25 dB Min
1 ~2 GHz, < 0.1 dB, 2 ~ 3.5 GHz < 0.13 dB
Terminating Power Sensors (optional) JD732A, JD734A, JD736A
Sensor type Average (JD732A)
Average and Peak (JD736A) Frequency range 20 MHz ~ 3800 MHz Power range -30 ~ +20 dBm (1 µW ~ 100 mW) Measurement uncertainty ± 7% of reading Connector type N-male
Peak (JD734A)
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 Connector type N-male
2,3
2,3
2,3)
,2,3)
JD725A CABLE AND ANTENNA ANALYZER
JD72450552
Sensor type Peak Frequency range 40 MHz ~ 4000 MHz Power range ~40 dBm ~ 0 dBm (0.1 µW ~ 1 mW) Measurement uncertainty ± 10% of reading Connector type N-male
Miscellaneous
Dimension 260 x 190 x 60 mm (10.2” x 7.5” x 2.4”) Weight < 2.1 kg (4.62 lbs) Battery Li-ion (>3hrs continuous operating) Operating temperature -10 ~ 50 °C (14 ~ 122 °F) Storage temperature -40 ~ 80 °C (-40 ~ 176 °F) Humidity 95% no condensation
1) Measurement speed provided at one-port measurements.
2)The specification provided at a temperature of 25°C ± 10°C.
3) CW condition
*All Specifications based on calibrating at 25°C after 5 minute warm-up.
Ordering Information
Mainframe
JD725A Cable and Antenna Analyzer - Dual Port,
25 MHz ~ 4000 MHz
Optional
JD725A001 Bias Tee
Standard Accessories
Soft carring case AC-DC adapter Cross LAN cable (1.5 m) 1 GB USB memory Automotive Cigarette Lighter/12V DC Adapter Lithium-Ion battery Stylus pen User's manual and application software on CD 2 years warranty
Optional Accessories
JD72550507 Dual Port Calibration Kit (N), 40 dB 4 GHz
2,3
GC72450531 RF cable, 1.5 m N(m)-N(f ) GC72450532 RF cable, 3.0 m N(m)-N(f ) JD72350542 Hard case JD72550562 JD725A User's Manual - printed version G710050571 Adapter N(m) to DIN(f), DC to 4 GHz, 50 Ω G710050572 Adapter DIN(m) to DIN(m), DC to 4 GHz, 50 Ω G710050573 Adapter N(m) to SMA(f), DC to 18 GHz, 50 Ω G710050574 Adapter N(m) to BNC(f), DC to 1.5 GHz, 50 Ω G710050581 Attenuator 40 dB, 100 W DC to 4 GHz (unidirectional) GC7256000 JD725A Warranty extension of 1 year for Asia, North
GC7256001 JD725A Warranty extension of 1 year for Latin
Open-Short-Load, 40 dB, 4 GHz• Load, 40 dB, 4 GHz• Two adapters N(f) to N(f ), DC to 4 GHz, 50 Ω• Two RF test cables (1 m), N(m) to N(m)•
America
America, EMEA
Power Meter Accessories
JD731A Directional power sensor, 300 ~ 3800 MHz,
JD733A Directional power sensor, 150 ~ 3500 MHz,
JD732A Terminating average power sensor
JD734A Terminating peak power sensor,
JD736A Terminating average and peak power sensor,
JD72450551 Terminating average power sensor, 40 ~ 3000 MHz,
JD72450552 Terminating peak power sensor, 40 ~ 4000 MHz,
G710050581 Attenuator 40 dB, 100 W, DC to 4 GHz (unidirectional)
Average 0.15 ~ 150 W, Peak 4 ~ 400W
Average/Peak 0.25 ~ 20 W
20 MHz~ 3800 MHz, -30 ~ +20 dBm
20 ~ 3800 MHz, -30 ~ +20 dBm
20 ~ 3800 MHz, -30 ~ +20 dBm
-30 ~ 0 dBm
-40 ~ 0 dBm
Test & Measurement Regional Sales
NORTH AMERICA
TEL: 1 866 228 3762 FAX: +1 301 353 9216
Product specifications and descriptions in this document subject to change without notice. © 2009 JDS Uniphase Corporation 30149482.002.0609.JD726A.DS.CPO.TM.AE
LATIN AMERICA
TEL: +1 954 688-5660 FAX: +1 954 3454668
ASIA PACIFIC
TEL:+852 2892 0990 FAX:+852 2892 0770
EMEA
TEL:+49 7121 86 2222 FAX:+49 7121 86 1222
www.jdsu.com/test
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