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Operation Manual Power Sensors MA24xxA/B/D and MA2400xA Anritsu Company Part Number: 10585-00004 490 Jarvis Drive Revision: T Morgan Hill, CA 95037-2809 Published: April 2011 Copyright 2011 Anritsu Company...
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Anritsu Company. UPDATES Updates, if any, can be downloaded from the Documents area of the Anritsu web site at: http://www.anritsu.com For the latest service and sales information in your area, please visit: http://www.anritsu.com/contact.asp...
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MA2411A, MA2411B, MA2425A, MA2425B, MA2425D, MA2475A, MA2475D, MA2445A, MA2445D, MA24002A, MA24004A, MA24005A These products were shown to be compliant, with the requirements of the following directive, when connected and used with Anritsu Power Meters. EMC Directive 2004/108/EC Electromagnetic Interference: EN61326:2006...
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Before you export this product or any of its manuals, please contact Anritsu Company to confirm whether or not these items are export-controlled. When disposing of export-controlled items, the products and manuals need to be broken or shredded to such a degree that they cannot be unlawfully used for military purposes.
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European Parliament and Council Directive 2002/96/EC Chinese RoHS Compliance Statement MA24xxA/B/D, MA2400xA OM PN: 10585-00004 Rev. T FM-5...
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FM-6 PN: 10585-00004 Rev. T MA24xxA/B/D, MA2400xA OM...
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Safety Symbols To prevent the risk of personal injury or loss related to equipment malfunction, Anritsu Company uses the following symbols to indicate safety-related information. For your own safety, please read the information carefully before operating the equipment. Symbols Used in Manuals...
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Some or all of the following five symbols may or may not be used on all Anritsu equipment. In addition, there may be other labels attached to products that are not shown in the diagrams in this manual.
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For Safety Always refer to the operation manual when working Warning near locations at which the alert mark, shown on the left, is attached. If the operation, etc., is performed without heeding the advice in the operation manual, there is a risk of personal injury. In addition, the equipment performance may be reduced.
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Electrostatic Discharge (ESD) can damage the highly sensitive circuits in the instrument. ESD is most likely to occur as test devices are being connected to, or disconnected from, the instrument’s front and rear panel ports and Caution connectors. You can protect the instrument and test devices by wearing a static-discharge wristband.
Chapter 1 — General Information Introduction This manual provides descriptions and specifications for Anritsu Power Sensors that are used in conjunction with Anritsu power meters. It includes care, handling and performance verification information. Anritsu offers the world's most comprehensive range of power meters: •...
1-2 Power Sensor Models Chapter 1 — General Information Power Sensor Models Listed in Table 1-1 are the currently available models covered in this manual. Full specifications for each are in Appendix Table 1-1. Power Sensor Models Type/Model Frequency Range Power Range Standard Diode Sensors MA2472D...
Chapter 1 — General Information 1-3 Documentation Conventions Documentation Conventions The following conventions are used throughout this document: Instrument Identification Throughout this manual, the terms MA24xxA/B/D and MA2400xA, Power Sensor, or DUT (device under test) are used to refer to the power sensor.
1-4 Identification Numbers Chapter 1 — General Information Identification Numbers An Anritsu model number and serial number is located on the power sensor. Please use these numbers when corresponding with Anritsu Customer Service. Online Manual This manual is available online at www.anritsu.com.
• Keep the sensor connectors clean Sensor Repair and Calibration There are no user serviceable parts inside the power sensors. Contact your local Anritsu Service Center and return the power sensor with a detailed description of the observed problem. MA24xxA/B/D, MA2400xA OM...
Customer Service Center. The original sensor is returned with the same identification marks and serial number as it had before the repair. 1-11 Anritsu Sales and Service To locate the nearest Anritsu Customer Service or Sales Center, please refer to the Anritsu web page: http://www.anritsu.com PN: 10585-00004 Rev. T...
All the above sensors have one common function: For a given signal frequency, they translate a sensed input power into an output voltage. The Anritsu ML2400 Series power meters interpret the sensor voltages with signal frequencies and output correct power readings.
Sensor Descriptions MA247xD Standard Diode Sensors Description The Anritsu MA247xD standard diode sensors are designed for use with the ML2430, ML2480 and ML2490 series power meters. They are designed for high dynamic range, high accuracy CW and TDMA measurements. These power sensors have 90 dB dynamic range and linearity better than 1.8% making them the choice for...
2-2 Sensor Descriptions MA244xD High Accuracy Diode Sensors Description The Anritsu MA244xD standard diode sensors are designed for use with the ML2430, ML2480 and ML2490 series power meters. They are designed for high dynamic range, high accuracy CW and TDMA measurements. With a built-in 3 dB attenuator, the...
MA249xA Wideband Sensors Description The Anritsu MA249xA wideband power sensors are designed for use with the Anritsu ML2480 and ML2490 series power meters. These sensors provide peak power, crest factor, average power, rise time, fall time, maximum power, minimum power and statistical data of wideband signals.
• Calibration factors stored in EEPROM MA246xD Fast Diode Sensors (obsolete) Description The MA246xD fast diode sensors from Anritsu have a rise time of 0.6 s. This, together with a sensor video bandwidth of 1.25 MHz, makes them the ideal solution for power measurements on N-CDMA (IS-95) signals.
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2-2 Sensor Descriptions Chapter 2 — Functional Description The MA246xD are dual diode sensors that deliver a greater than 80 dB dynamic range, which makes them suitable for both open and closed loop power control testing. Pulses down to 1 s can also be captured and displayed, thanks to the sensor rise time of 0.6 s.
Chapter 3 — Power Sensor Care Introduction Anritsu Power Sensors are high quality precision laboratory instruments and should receive the same care and respect afforded such instruments. Follow the precautions listed below when handling or connecting these devices. Complying with these precautions will guarantee longer component life and less equipment downtime due to connector or device failure.
3-2 Power Sensor Precautions Chapter 3 — Power Sensor Care Power Sensor Precautions Avoid Over Torquing Connectors Over torquing connectors is destructive; it may damage the connector center pin. A torque wrench (12 inch-pounds or 1.35 N· m) is recommended for tightening N connectors. Always use a torque wrench (8 inch-pounds or 0.90 N·...
Chapter 3 — Power Sensor Care 3-3 RF Connector Precautions Clean the Connectors The precise geometry that makes the RF component’s high performance possible can easily be disturbed by dirt and other contamination adhering to the connector interfaces. When not in use, keep the connectors covered.
Never store adapters loose in a box, in a desk, or in a drawer. Connection Techniques Connection Procedure Table 3-1 below lists the Anritsu Company torque wrench and open end wrench part numbers for different connectors. Table 3-1. Connector Wrench Requirements – Torque Wrenches and Settings –...
Chapter 3 — Power Sensor Care 3-5 RF Connector Care 3. Using two wrenches with an angle greater than 90° causes the connector devices to lift up and tends to misalign the devices and stress the connectors. This becomes more of a problem when there are several devices connected to each other.
3-5 RF Connector Care Chapter 3 — Power Sensor Care Magnification The minimum magnification for connector inspection for damage varies with the connector: • 7X for K (2.92 mm) and V (1.85 mm) connectors • 2X for N connectors • 10X for W1 (1.0 mm) connectors Any connector with the following defects should be repaired or discarded: Plating...
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Connector gauge kits are available for many connector types. Please refer to Anritsu Application Note 10200-00040. The mechanical gauging of coaxial connectors will detect and prevent the following problems:...
MALE Figure 3-1. N Connector Pin Depth Pin Depth Gauge Use an Anritsu Pin Depth Gauge or equivalent as shown below in Figure 3-2 to accurately measure pin depths. Based on RF components returned for repair, destructive pin depth of mating connectors is the major cause of failure in the field.
Chapter 3 — Power Sensor Care 3-5 RF Connector Care 1 – Pin Depth Gauge with needle setting at zero. 2 – Positive needle direction clockwise to right. 3 – Negative needle direction counter-clockwise to left. Figure 3-2. Pin Depth Gauge Pin Depth Tolerances The center pin of RF component connectors has a precision tolerance measured in “mils”...
Chapter 3 — Power Sensor Care 3-6 Connector Cleaning With continuous use, the outer conductor mating interface will build up a layer of dirt and metal chips that can severely degrade connector electrical and mechanical performance. It also tends to increase the coupling torque which then can damage the mating interface.
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3-6 Connector Cleaning Chapter 3 — Power Sensor Care 3. Clean mating plane surfaces using alcohol on lint-free cotton swabs (Figure 3-3 on page 3-13). • Make sure that the cotton swab is not too large. • Use only enough solvent to clean the surface. •...
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Chapter 3 — Power Sensor Care 3-6 Connector Cleaning Do NOT use Industrial Solvents or Water on connector. Use only Isopropyl Alcohol. Dampen only, DO NOT saturate. FEMALE MALE Use only isopropyl alcohol and the proper size of cotton swab. Gently rotate the swab around the center pin being careful not to stress or bend the pin or you will damage the connector.
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3-6 Connector Cleaning Chapter 3 — Power Sensor Care 3-14 PN: 10585-00004 Rev. T MA24xxA/B/D, MA2400xA OM...
All the above sensors have one common function: For a given signal frequency, they translate a sensed input power into an output voltage. The Anritsu ML2400 Series power meters interpret the sensor voltages with signal frequencies and output correct power readings.
SWR values for each sensor model are listed in Appendix B, “Specifications”. The uncertainty of the SWR performance of the power sensors is determined by using the Anritsu 37000 Vector Network Analyzer and 54000 Scalar Measurement systems. Refer to the “SWR Performance Data”...
There are no user serviceable parts inside the power sensors. Contact your local Anritsu Service Center and Note return the power sensor with a detailed description of the...
Universal power sensor) • Various adapters as needed Setup: ML24xx Power Meter The following procedure sets the Anritsu ML24xx power meter to the voltage measurement mode: 1. Press the following hard or soft keys in the sequence shown: System | More | More | More 2.
Chapter 4 — Performance Verification 4-4 Sensitivity Performance Setup: ML248xx Power Meter The following procedure sets the Anritsu ML248xx power meter to the voltage measurement mode. This meter is required for testing MA249xA and MA2411A/B Series power sensors. 1. Press the following hard or soft keys in the sequence shown: Channel | Setup | CW | Exit | System | Service | Diag | 0 | Enter 2.
4-4 Sensitivity Performance Chapter 4 — Performance Verification 5. Read the sensor output voltage on the power meter and record in Section A-5 Appendix Procedure: Universal Power Sensors The following procedure applies to MA248xx universal power sensors. 1. Connect the power sensor to the sensor cable and connect the cable to the power meter.
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Sensitivity (dBV) column, the power sensor may be defective. There are no user serviceable parts inside the power sensors. Contact your local Anritsu Service Center and Note return the power sensor with a detailed description of the...
4-5 Measurement Uncertainty Chapter 4 — Performance Verification Return Meter to Power Measurement Mode ML24xx Power Meter The following key sequence returns the Anritsu ML24xxx power meter to the factory default power measurement mode. Press the following hard or soft keys in the sequence shown:...
Sensor Calibration Factor Uncertainty is defined as the accuracy of the sensor calibration at a standard calibration condition. Anritsu follows the industry standard condition of calibration at reference power = 0 dBm (1 mW) and ambient temperature = 25 °C.
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4-5 Measurement Uncertainty Chapter 4 — Performance Verification An example of measurement uncertainty is detailed for several power sensors in the table below. Anritsu power sensors with an ML2437A power meter are used to measure the power of a 16 GHz, 7 dBm signal from a source with a 1.5:1 SWR.
4-6 Cal Factor Uncertainty Cal Factor Uncertainty Calibration Factor data is stored within the sensor EEPROM. Power sensor calibration is performed at regional Anritsu Service Centers. Contact your Anritsu representative for local calibration and service support. Refer to Section 1-11 for contact details.
Appendix A — Test Records Introduction This appendix provides tables for recording the results of the performance verification tests (Chapter 4). They provide the means for maintaining an accurate and complete record of instrument performance. Measurement Uncertainty All test records are provided with a measurement uncertainty, which consists of the type-B components.
A-4 SWR Performance Data Appendix A — Test Records Model: Date: Operator: Serial Number: Options: SWR Performance Data The SWR performance data in the following tables is Note expressed in reflection coefficient magnitude. MA247xA 37000 System Reflection Reflection Coefficient Coefficient Magnitude Frequency Uncertainty...
A-5 Sensitivity Performance Data Appendix A — Test Records Model: Date: Operator: Serial Number: Options: Sensitivity Performance Data Sensor Sensitivity Performance Sensor Input Actual (dBV) Sensitivity Sensor Power (dBm) Measured (dBV) MA2411A/B +3.6 to +4.3 MA244xx –7.7 to –6.1 MA246xx –7.7 to –5.9 MA247xx –5.7 to –3.9...
Appendix B — Specifications Technical Data Sheet The latest version of the Technical Data Sheet (Anritsu PN: 11410-00423) for the power sensors listed can be downloaded from the Anritsu Internet site: http://www.anritsu.com The data sheet provides the most recent performance specifications for the various models of Anritsu power sensors.
B-2 Performance Specifications Appendix B — Specifications Standard Diode Power Sensors Table B-1. Standard Diode Power Sensors (1 of 2) Parameter/ Model Specification Frequency Range MA2472A/B/D 10 MHz to 18 GHz MA2473A/D 10 MHz to 32 GHz MA2474A/D 10 MHz to 40 GHz MA2475A/D 10 MHz to 50 GHz Dynamic Range...
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Appendix B — Specifications B-2 Performance Specifications Table B-1. Standard Diode Power Sensors (2 of 2) Parameter/ Model Specification 23 dBm, CW Maximum Input 30 dBm, 1 s peak, ±20 Vdc Power <1.0%, <40 GHz Temperature Accuracy <1.5%. <50 GHz a.
B-2 Performance Specifications Appendix B — Specifications Thermal Sensors Table B-2. Thermal Sensors Parameter/ Model Specification Frequency Range MA24002A 10 MHz to 18 GHz MA24004A 10 MHz to 40 GHz MA24005A 10 MHz to 50 GHz Dynamic Range –30 dBm to +20 dBm <1.90;...
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Appendix B — Specifications B-2 Performance Specifications a. Rise Time is defined as the time interval necessary for the power sensor to rise from 10% to 90% of the reading when the signal rises instantaneously from zero (no power) to 1 mW (0 dBm) at room temperature. b.
B-2 Performance Specifications Appendix B — Specifications High Accuracy Sensors Table B-3. High Accuracy Sensors (1 of 2) Parameter/ Model Specification Frequency Range MA2442A/B/D 10 MHz to 18 GHz MA2444A/D 10 MHz to 40 GHz MA2445A/D 10 MHz to 50 GHz Dynamic Range –67 dBm to +20 dBm <1.17;...
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Appendix B — Specifications B-2 Performance Specifications Table B-3. High Accuracy Sensors (2 of 2) Parameter/ Model Specification Temperature <1.0%, <40 GHz Accuracy <1.5%, <50 GHz a. Rise Time is defined as the time interval necessary for the power sensor (when used with ML2480A/B series power meter) to rise from 10% to 90% of the reading when the signal rises instantaneously from zero (no power) to 10 dBm at 25 ºC.
B-2 Performance Specifications Appendix B — Specifications Universal Power Sensors Table B-4. Universal Power Sensors Parameter/ Model Specification Frequency Range MA2481B/D 10 MHz to 6 GHz MA2482A/D 10 MHz to 18 GHz Dynamic Range CW: –60 dBm to +20 dBm <1.90;...
Appendix B — Specifications B-2 Performance Specifications Pulse Power Sensor Table B-5. Pulse Power Sensor Parameter/ Model Specification Compatible with ML2480 (with Option 15) and ML2490 Series Power Meters Frequency Range MA2411A/B 300 MHz to 40 GHz Dynamic Range CW: –20 dBm to +20 dBm <1.15;...
B-2 Performance Specifications Appendix B — Specifications Wide Bandwidth Power Sensors Table B-6. Wide Bandwidth Power Sensors Parameter/ Model Specification Frequency Range MA2490A 50 MHz to 8 GHz MA2491A 50 MHz to 18 GHz Dynamic Range CW: –60 dBm to +20 dBm <1.17;...
Appendix B — Specifications B-2 Performance Specifications CDMA Power Sensors (Obsolete) Table B-8. CDMA Power Sensors Parameter/ Model Specification Frequency Range MA2468A/B/D 10 MHz to 6 GHz MA2469B/C/D 10 MHz to 18 GHz Dynamic Range CW: –60 dBm to +20 dBm <1.17;...
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B-2 Performance Specifications Appendix B — Specifications B-14 PN: 10585-00004 Rev. T MA24xxA/B/D, MA2400xA OM...
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A to S Index attenuator 1-4, 4-4 inspection 3-5 IPA 3-3, 3-10 isopropyl alcohol 3-10 calibration 1-5 calibration data EEPROM 1-1 measurement uncertainty 4-8 storage in sensor 1-1 mismatch error, uncertainty A-1 calibration factor 2-2 cleaning 3-10 navigation, user interface 1-3 connectors negative pin depth 3-7 care 3-3...
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T to V safety symbols user repair 4-3 for safety Safety-3 in manuals Safety-1 visual inspection, connectors 3-5 on equipment Safety-2 sensitivity test 4-4 sensor diode 2-2 fast diode 2-5 handling 1-5 high accuracy diode 2-3 linearity 4-8 pulse 2-4 specifications B-1 thermal 2-5 universal 2-3...
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