Anritsu MT8852A Operation Manual
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Anritsu MT8852A Operation Manual

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MT8850A / MT8852A Bluetooth Test Set
Operation Manual
For MT8850A software release 2.10
and MT8852A software release 2.20
Originated by Anritsu Ltd, EMD, Stevenage, U.K.
P/N: 13000-000109
REVISION: F
CREATED January 2003
COPYRIGHT 2003
ANRITSU

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  • Page 1 MT8850A / MT8852A Bluetooth Test Set Operation Manual For MT8850A software release 2.10 and MT8852A software release 2.20 Originated by Anritsu Ltd, EMD, Stevenage, U.K. P/N: 13000-000109 REVISION: F CREATED January 2003 COPYRIGHT 2003 ANRITSU...

  • Page 3: Limitation Of Warranty

    Warranty The Anritsu product(s) listed on the title page is (are) warranted against defects in materials and workmanship for one year from the date of shipment. Anritsu’s obligation covers repairing or replacing products that prove to be defective during the warranty period.

  • Page 4: Safety Symbols

    Safety Symbols Used on Equipment and In Manuals 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.

  • Page 5: For Safety

    For Safety Always refer to the operation manual when working near locations at which the alert mark, shown on the left, is attached. If operation is performed without heeding the advice in the operation manual, there is a risk of personal injury.

  • Page 6: Declaration Of Conformity

    Declaration of Conformity 13000-000109 January 2003...
  • Page 7 13000-000109 January 2003...

  • Page 8: Table Of Contents

    Power Requirements ....................3-1 AC Line Power......................3-1 Fuse Protection ....................3-1 Grounding......................3-1 Environmental Requirements ..................3-2 Rack Mounting ......................3-2 MT8850A/MT8852A Rack Mounting Installation ..........3-2 Tools Required .....................3-3 Assembly Procedure ....................3-3 Storage and Shipment ....................3-6 Preparation For Storage ..................3-6 Environmental Requirements ................3-6 Preparation for Shipment..................3-6 Anritsu Service Centers ....................3-7...
  • Page 9 Setting the Screen Display and Sound .............. 7-10 Setting Up the Signal Generator ................ 7-11 Setting Up the Bluetooth Interferer..............7-12 Configuring the Rear Panel Outputs (MT8852A only)........7-13 Performing Continuous Wave Measurement ............. 7-14 Setting the Range Hold ..................7-15 Setting the modulation index................
  • Page 10 System features ......................7-18 Setting the Link....................7-18 Updating the Software ..................7-19 Errata 1158......................7-20 Service ........................7-20 Chapter 8. Using the Script Menu................8-1 Introduction .........................8-1 Accessing the Script Menu ..................8-2 Locking and Unlocking a Script ..................8-3 Changing the Password....................8-4 Running the Tests.......................8-5 Setting Up General Script Parameters ...............8-6 Test control delay ....................8-7 Test Pause Test Control..................8-7 EUT Settings on Connection ................8-7...
  • Page 11 Chapter 9. Audio Measurements (MT8852A only) ........... 9-1 Testing the EUT’s Audio Performance Using Remote Loopback on the MT8852A ... 9-1 Testing the Audio Performance of the EUT Transmit Path ........9-4 Testing the Audio Performance of the EUT Receive Path ......... 9-5 Putting the EUT into Remote Loopback ..............
  • Page 12 RS 232 ........................C-12 Power Requirements ....................C-13 Environmental ......................C-13 Size and Weight....................... C-13 Ordering Information ....................C-13 Appendix D. Connector Care and Handling ..............D-1 13000-000109 January 2003...

  • Page 13: Chapter 1. General Information

    • MT8852A Bluetooth Test Set. All information in this manual applies equally to both the MT8850A and the MT8852A unless otherwise stated, and is most cases this is signified by the use of “MT8850A/MT8852A”. The screen images provided in the procedural explanations have been taken from the MT8850A unit, although these too apply equally to the MT8852A.

  • Page 14: Options And Accessories

    MT8850A / MT8852A Bluetooth Test Set General Information 3.5 mm jack plug x 3 (MT8852A only) Options and Accessories MT8850A-01 Rack Mount, single instrument MT8850A-03 Rack Mount, side-by-side MT8850A-06 Rear Mount RF and EUT connectors MT8850A 10 Bluetooth antenna and adapter...

  • Page 15: Chapter 2. Product Overview

    Production engineers will need to decide on a subset of the Bluetooth RF test specification that is appropriate to their product’s requirements. Working with RF, especially RF at over 2 GHz is not easy, but with Anritsu as your test partner you can be certain of having the most up-to-date and relevant testing capabilities for your Bluetooth products.

  • Page 16: Mt8850A/Mt8852A Features

    • Small size and weight MT8850A/MT8852A takes up minimal space in your test system thanks to its half rack size and low weight. Where Bluetooth interfaces are being introduced into existing products, the disturbance to the test system is minimized.

  • Page 17: Bluesuite Analysis Software

    Qualification Test System which addresses all 16 test cases defined in the RF test specification. • Audio testing (MT8852A only) The MT8852A Bluetooth Test Set can be used to perform audio measurements by establishing a Synchronous Connection Oriented (SCO) link between the MT8852A and the EUT. BlueSuite Analysis Software A BlueSuite software package gives PC control of the MT8850A/MT8852A for advanced design proving measurements on Bluetooth radios.
  • Page 18 MT8850A / MT8852A Bluetooth Test Set Product Overview 13000-000109 The MT8850A/MT8852A January 2003...

  • Page 19: Chapter 3. Installation

    If the Test Set is damaged mechanically, notify your local sales representative or Anritsu Customer Service Center. If either the shipping container is damaged or the cushioning material shows signs of stress, notify the carrier as well as Anritsu. Retain the shipping materials for the carrier's inspection.

  • Page 20: Environmental Requirements

    Installation Environmental Requirements The MT8850A/MT8852A is designed to operate within the temperature range of 5 to 40° C (41 to 104° F) with a maximum humidity of 90% at 40° C (104° F), non-condensing. Full accuracy is specified at 5 to 35° C (23 to 95° F).

  • Page 21: Tools Required

    1 Assembly drawing “MT8852A/01 Rack Mounted left or right option” Assembly Procedure Remove all feet from the MT8850A/MT8852A using the tools supplied. See diagram and notes on the following pages. Confirm the correct tools are available, the parts listed above are present and the assembly drawing is at hand.
  • Page 22 MT8850A / MT8852A Bluetooth Test Set Installation Fit the four speed nut 790-319 to the rack in the correct place to allow mounting of the instrument in the rack. 10. Slide the instrument into the rack and secure with 4 decorative screws 900- 821.
  • Page 23 Installation MT8850A / MT8852A Bluetooth Test Set 13000-000109 January 2003 Rack Mounting...

  • Page 24: Storage And Shipment

    To provide maximum protection against damage in transit, the MT8850A/MT8852A Bluetooth Test Set should be repackaged in the original shipping container. If this container is no longer available and the MT8850A/MT8852A is being returned to Anritsu for repair, advise Anritsu Customer Service Center; they will send a new shipping container free of charge.

  • Page 25: Anritsu Service Centers

    Installation MT8850A / MT8852A Bluetooth Test Set Anritsu Service Centers AUSTRALIA Brazil CANADA ANRITSU PTY. LTD. ANRITSU ELETRONICA LTDA. ANRITSU INSTRUMENTS LTD. Unit 3, 170 Foster Road Praia de Botafogo 440, Sala 2401 215 Stafford Road, Unit 102 Mt Waverley, VIC 3149...
  • Page 26 MT8850A / MT8852A Bluetooth Test Set Installation 13000-000109 Anritsu Service Centers January 2003...

  • Page 27: Chapter 4. Connections

    Chapter 4. Connections Introduction This chapter describes physical connections to the MT8850A/MT8852A Bluetooth Test Set on both the front and rear panels. Front Panel Connectors The front panel connectors are illustrated below; detailed descriptions of each connector are as follows:...
  • Page 28 MT8850A / MT8852A Bluetooth Test Set Connections 13000-000109 Rear Panel Connectors January 2003...

  • Page 29: Chapter 5. Front Panel Operation

    Chapter 5. Front Panel Operation Introduction The MT8850A/MT8852A Bluetooth Test Set is controlled from the front panel using the hard and soft keys. This chapter explains the power on procedure and the features and functions of each of the menus.
  • Page 30 MT8850A / MT8852A Bluetooth Test Set Front Panel Operation 13000-000109 Front Panel Controls January 2003...

  • Page 31: Power-On Procedure

    Front Panel Operation MT8850A / MT8852A Bluetooth Test Set Power-On Procedure With the MT8850A/MT8852A Bluetooth Test Set connected to the power supply, press the On/Standby switch. The MT8850A/MT8852A performs a brief power-on self test (POST). After the POST, the instrument displays the Script menu or the single test screen that was active when it was powered down.

  • Page 32: Soft Keys

    MT8850A / MT8852A Bluetooth Test Set Front Panel Operation The Config button allows you to configure the MT8850A/MT8852A parameters. The parameters and the procedures are described in the "Configuring the MT8852A" chapter. The Preset key presets the instrument to a predefined state. See Appendix B - Preset Values for details.

  • Page 33: Entering Data At The Keypad

    Front Panel Operation MT8850A / MT8852A Bluetooth Test Set Entering Data at the Keypad The alphanumeric keypad is used to enter data such as hexadecimal addresses and operates in the following manner. For each consecutive press of a key, the display will show the next character in sequence associated with that key.
  • Page 34 MT8850A / MT8852A Bluetooth Test Set Front Panel Operation 13000-000109 Entering Data at the Keypad January 2003...

  • Page 35: Chapter 6. Getting Started

    Preparing the MT8850A/MT8852A for Use Connect the RF port on the front panel of the MT8850A/MT8852A to the EUT or to the Bluetooth antenna. If you wish to use the MT8850A/MT8852A to initialise the EUT, connect the supplied cable from the EUT control connector on the front panel of the MT8850A/MT8852A to the EUT RS232 HCI interface.

  • Page 36: Specifying The Eut Address

    MT8850A / MT8852A Bluetooth Test Set Getting Started Specifying the EUT Address Move the cursor into the measurement area of the screen. Press the [EUT addr] soft key and select either manual, inquiry, RS232, or USB (MT8852A only). Press the...
  • Page 37 Getting Started MT8850A / MT8852A Bluetooth Test Set Press the key, enter the number of the script that you want to run from the keypad and press the [Enter] soft key. Press the [List] soft key and move the cursor to the test script that you want to run and press the key.

  • Page 38: Running A Script In Standard Mode

    In this mode, the user can define the packet length, packet payload, and set loopback or TX mode and hopping to on or off. The MT8850A/MT8852A then sends a single test control to put the EUT into the specified state, and no further test controls are sent. When the customer views the measurement screens, only measurements that can be made on the selected packets are presented.

  • Page 39: Running A Script In Null Packets Mode

    The MT8850A/MT8852A can be made to link to an EUT and maintain the link by sending POLL packets. In response to a POLL packet, the EUT will return a NULL packet. A NULL Packet has no payload but can be used for power, initial frequency, drift, and modulation measurements without having to activate test mode.
  • Page 40 MT8850A / MT8852A Bluetooth Test Set Getting Started 13000-000109 Running a Script in Null Packets Mode January 2003...

  • Page 41: Chapter 7. Configuring The Mt8850A/Mt8852A

    The MT8850A/MT8852A is configured from menu entries accessed by pressing the hard key. The menu entries are used to configure the equipment under test (EUT), the MT8852A, and the way in which the test scripts are run. This chapter describes the procedures for configuring the MT8850A/MT8852A.
  • Page 42 MT8850A / MT8852A Bluetooth Test Set Configuring the MT8850A/MT8852A Audio (MT8852 only) ACL connect status SCO channel status Packet type Air code format SCO loopback Tone generator Input coding format Input data format Input sample size Linear PCM bit posn...

  • Page 43: Setting Up The Eut

    Press the key. If the MT8850A/MT8852A is already in a link with the EUT, this screen will immediately display the EUT address and User friendly name. The user friendly name can be up to 248 characters but will be truncated to 177 characters on the screen.

  • Page 44: Viewing Supported Features

    Choose “View supported features”. Press the key. If the MT8850A/MT8852A is already in a link with the EUT, this screen will immediately display the EUT supported features screens. A filled-in ellipse indicates supported features. Unsupported features show an empty ellipse. In the screens above, for example, Encryption is not supported and Power control is supported for the equipment under test.

  • Page 45: Setting Up The Eut Control

    MT8850A / MT8852A Bluetooth Test Set Setting Up the EUT Control The control setup enables you to configure the serial communications that are used to link the HCI of the equipment under test to the MT8850A/MT8852A tester. Press the hard key.

  • Page 46: Setting Up Inquiries

    “1” the user must select the required device manually when the inquiry is complete. If the MT8850A/MT8852A is connected directly to the EUT or there is known to be only one EUT that will respond to an inquiry, set the number of responses to 1 for the fastest operation.
  • Page 47 Configuring the MT8850A/MT8852A MT8850A / MT8852A Bluetooth Test Set To make an Inquiry: Press the hard key. Press the [EUT addr] soft key. The EUT address screen is displayed. Choose “Source”. Press the key to switch repeatedly until “Inquiry” is displayed.

  • Page 48: Setting Up The Mt8850A/Mt8852A

    MT8850A / MT8852A Bluetooth Test Set Configuring the MT8850A/MT8852A Setting up the MT8850A/MT8852A This section provides the procedures for setting up the MT8850A/MT8852A in order to run the tests. Displaying the Identity of the MT8850A/MT8852A Press the hard key. Choose “MT8850A/MT8852A”.

  • Page 49: Configuring The System Interfaces

    MT8850A / MT8852A Bluetooth Test Set Configuring the System Interfaces The MT8850A/MT8852A can be controlled remotely from a PC through the GPIB or the RS232 serial connecting ports on the rear of the instrument. This menu configures the settings of these two interfaces.

  • Page 50: Setting The Screen Display And Sound

    MT8850A / MT8852A Bluetooth Test Set Configuring the MT8850A/MT8852A Setting the Screen Display and Sound You can determine how the user interface will operate. Press the hard key. Choose “MT8850A/MT8852A” and press the key. Choose “Display/sound”. Press the key. The MT8850A/MT8852A Display/sound screens are displayed.

  • Page 51: Setting Up The Signal Generator

    Choose “Signal generator”. Press the key. The MT8850A/MT8852A Signal generator screen is displayed. You can switch the modulating bit pattern between 10101010, 11110000, PRBS9, PRBS15, and CW, where CW is an unmodulated carrier wave. • “RF power” can be switched ON or OFF.

  • Page 52: Setting Up The Bluetooth Interferer

    Configuring the MT8850A/MT8852A Setting Up the Bluetooth Interferer The MT8850A/MT8852A can be set up to perform the functionality of a Bluetooth interferer as defined in the Bluetooth RF test specification. This functionality allows the user to reduce overheads by removing the need to purchase expensive digital signal generators.

  • Page 53: Configuring The Rear Panel Outputs (Mt8852A Only)

    Configuring the MT8850A/MT8852A MT8850A / MT8852A Bluetooth Test Set Configuring the Rear Panel Outputs (MT8852A only) On the MT8852A, the user can configure the TX and RX signals that are routed to the rear panel BNC connectors. Press the hard key.

  • Page 54: Performing Continuous Wave Measurement

    Configuring the MT8850A/MT8852A Performing Continuous Wave Measurement The MT8850A/MT8852A can measure a fixed frequency signal to calibrate power, frequency, and modulation. The CW measurement mode is intended only for the measurement of continuous non-packetized signals and does not support triggering.

  • Page 55: Setting The Range Hold

    Configuring the MT8850A/MT8852A MT8850A / MT8852A Bluetooth Test Set Setting the Range Hold The Range Hold facility allows you to fix the MT8850A/MT8852A measuring receiver on a given range and disable the auto-range feature. Press the hard key. Choose “MT8850A/ MT8852A”.

  • Page 56: Setting The Modulation Index

    Enter the value using the keypad. Setting Up the Link Timeout The link timeout is the number of seconds for which the MT8850A/MT8852A will continue to try to communicate with an EUT even when it receives no response. If the MT8850A/MT8852A receives no response from the EUT after the set number of seconds, it will stop transmitting and display the message, "Connection lost, timed out"...

  • Page 57: Setting Up Test Script Operation

    Configuring the MT8850A/MT8852A MT8850A / MT8852A Bluetooth Test Set Setting Up Test Script Operation You can determine how test scripts are run. Press the hard key. Choose “All Scripts Setup”. Press the key. The Scripts setup screen is displayed. •...

  • Page 58: System Features

    “ACL connection & features” • “Disconnect from EUT” • “Make me an EUT” - You can make the MT8850A/MT8852A behave as equipment under test. This means that it is page scanning with test mode enabled. • “Inquiry scan on” - The Inquiry feature allows the instrument to respond to an inquiry from another device.

  • Page 59: Updating The Software

    Software updates can be downloaded from a PC connected to the MT8850A/MT8852A through the GPIB or RS232 connector. This can only occur when Bootload is selected.

  • Page 60: Errata 1158

    MT8850A / MT8852A Bluetooth Test Set Configuring the MT8850A/MT8852A Errata 1158 Errata 1158 is an approved amendment to the Bluetooth core specification version 1.1. It is used to apply a form of data whitening for Bluetooth links in test mode. If the protocol set of the EUT does not implement Errata 1158 this should be set to OFF.

  • Page 61: Chapter 8. Using The Script Menu

    Chapter 8. Using the Script Menu Introduction The sequence of tests that is run is determined by one of 10 possible scripts, which define the tests to be run. Scripts 1 and 2 are preconfigured and the tests cannot be altered. Scripts 3 to 10 are unlocked by default but can be locked and password protected.

  • Page 62: Accessing The Script Menu

    MT8850A / MT8852A Bluetooth Test Set Using the Script Menu Accessing the Script Menu To access the script menu: Press the hard key. The Script menu is displayed. The menu shows all of the possible tests. A symbol is shown to the left of each test name, the meanings of which are detailed below..

  • Page 63: Locking And Unlocking A Script

    Using the Script Menu MT8850A / MT8852A Bluetooth Test Set Locking and Unlocking a Script You can access any of the 10 scripts in order to edit the script name, lock/unlock a script (scripts 3 to 9 only) and set or change the access password.

  • Page 64: Changing The Password

    MT8850A / MT8852A Bluetooth Test Set Using the Script Menu To lock/unlock the script: Choose the script, press the [Lock] or [Unlock] soft key. You may need to enter a password. If you have not changed the password, the factory default is 1234.

  • Page 65: Running The Tests

    Using the Script Menu MT8850A / MT8852A Bluetooth Test Set Running the Tests The script menu provides access to configuring, running individual tests and obtaining the results for each test as well as checking the address of the EUT. Press the hard key.

  • Page 66: Setting Up General Script Parameters

    You can set the transmission power level to between 0 and -90 dBm. TX power level sets RF power of the MT8850A/MT8852A transmitter. This power level is used for link setup and all measurement with the exception of EUT receiver sensitivity and maximum output power.

  • Page 67: Test Control Delay

    Press the [1 of 3] soft key to move to the second screen. Test control delay The Test Control delay value can be between 0 and 100. When the MT8850A/MT8852A sends a Test Control command (Loopback, TX or Test Pause) the EUT may require a period of time to respond before it has actioned the Test Control.

  • Page 68: Setting The Path Offset

    MT8850A / MT8852A Bluetooth Test Set Using the Script Menu Press the [2 of 3] soft key to move to the third screen. Setting the Path Offset You can set the path offset to OFF, FIXED, or TABLE. The meanings of each of the path offset settings are detailed below.
  • Page 69 Using the Script Menu MT8850A / MT8852A Bluetooth Test Set Repeat this procedure until all of the required offsets have been specified. The values entered in the table are used to interpolate the offsets for the intermediate channels that were not actually specified. It should also be noted that the offsets are used to perform compensations for either the receiver tests in the script or for the sensitivity tests (single sensitivity), but never for both.
  • Page 70 MT8850A / MT8852A Bluetooth Test Set Using the Script Menu Setting Up Tests The tests that can be performed in each of the three modes, and the settings that are required to enable the tests are illustrated in the table below. Tests that cannot be performed or are not available in this release of the software are highlighted in grey.

  • Page 71: Testing In Standard Script Mode

    “Number of packets” field. This is the test method described in the Bluetooth RF Test Specification. With “Hopping On” mode set to “All” the MT8850A/MT8852A measures the power at every one of the 79 frequencies in the Bluetooth channel structure. The number of packets measured at each frequency is set by the user in the “Number of packets”...
  • Page 72 MT8850A / MT8852A Bluetooth Test Set Using the Script Menu Press the [Setup] soft key. The Output power test conditions screens are displayed. The “Hopping test mode” can be set to “Defined”, “All” or “Any”. You can also choose the “Test type”, “loopback” or “TX”, to use and set the packet type.
  • Page 73 Using the Script Menu MT8850A / MT8852A Bluetooth Test Set 16. Press the [Limits] soft key to display the Output power test limits screen. 17. Press the [Defaults] soft key to restore the default values. 18. Choose the limit you want to change.

  • Page 74: Power Control Test (Standard Mode)

    The following test is described using the default test control. The MT8850A/MT8852A transmits a DH1 (or the operator selected packet type) packet with a pseudo random data payload (PRBS 9). This test is performed with hopping off.
  • Page 75 12. Choose “Minimum Test power”. Use the keypad to enter a value for the minimum EUT power. When a power below this value is received by the MT8850A/MT8852A it will start sending increment power commands, even if it has not received a minimum power command from the EUT.
  • Page 76 MT8850A / MT8852A Bluetooth Test Set Using the Script Menu 19. Press the [Limits] soft key to display the Power control test limits screen. 20. Press the [Defaults] soft key to restore the default values. 21. Choose the limit you want to change.

  • Page 77: Initial Carrier Test (Standard Mode)

    With hopping on, the MT8850A/MT8852A can make the measurement in one of two ways. If Hopping On mode is set to “All”, the MT8850A/MT8852A will measure the initial carrier frequency at every one of the 79 frequencies in the Bluetooth channel structure. The number of packets measured at each frequency is set by the user in the “Number of...
  • Page 78 MT8850A / MT8852A Bluetooth Test Set Using the Script Menu Choose “Number of packets”. Enter the number of packets using the keypad. Choose “Hopping”. Press the key to switch between ON and OFF. If you choose ON, choose Hopping test mode and press the key to switch between All and Any.
  • Page 79 Using the Script Menu MT8850A / MT8852A Bluetooth Test Set 15. Press the [Defaults] soft key to restore the default values. 16. Choose the limit you want to change. 17. Press the key and enter the new limit using the keypad.

  • Page 80: Carrier Drift Test (Standard Mode)

    MT8850A/MT8852A does not send full DHX packets but just POLL packets. The EUT has been configured by the MT8850A/MT8852A to respond to a POLL with the appropriate DHX packet. The EUT must support TX mode part of the Test Mode specification for this to work.
  • Page 81 Using the Script Menu MT8850A / MT8852A Bluetooth Test Set Choose “Carrier drift” from the Script menu. Press the key to select or deselect this test from the script routine. If a test is selected, the box will be filled in. If not selected the box will be hollow.
  • Page 82 MT8850A / MT8852A Bluetooth Test Set Using the Script Menu 12. Press the [1 of 2] soft key to move to the second screen. The second screen will vary according to whether the Test type is in Loopback or TX mode.

  • Page 83: Single Slot Sensitivity Test (Standard Mode)

    (BER) calculation and frame error rate (FER) calculation is performed by the MT8850A/MT8852A test set. The test is repeated for each of the frequencies selected (LOW, MEDIUM and HIGH). This test is performed with hopping off.
  • Page 84 17. Press the key to switch between ON and OFF. With Drift set to ON, the MT8850A/MT8852A transmits with a sine wave, frequency modulation, with a deviation of ±25 kHz, rate 1.6 kHz, synchronised to zero phase at the packet start.
  • Page 85 24. Press the [Limits] soft key to display the Single sensitivity test limits screen. Note: As there is no RF Bluetooth specification for FER, the MT8850A/MT8852A defaults to a FER limit of 100%. 25. Press the [Defaults] soft key to restore the default values.

  • Page 86: Multi-Slot Sensitivity Test (Standard Mode)

    (PRBS 9) to the EUT at a minimum power level. If the dirty parameters are enabled then every 20 mS the MT8850A/MT8852A changes the transmitter parameters as specified in the dirty transmitter table for this test. The EUT loops back the received data and a bit error rate (BER) calculation and frame error rate (FER) calculation is performed by the MT8850A/MT8852A test set.
  • Page 87 17. Press the key to switch between ON and OFF. With Drift set to ON, the MT8850A/MT8852A transmits with a sine wave, frequency modulation, with a deviation of ±25 kHz, rate 1.6 kHz, synchronised to zero phase at the packet start.
  • Page 88 24. Press the [Limits] soft key to display the Multi sensitivity test limits screen. Note: As there is no RF Bluetooth specification for FER, the MT8850A/MT8852A defaults to a FER limit of 100%. 25. Press the [Defaults] soft key to restore the default values.

  • Page 89: Modulation Index Test (Standard Mode)

    The following test is described using the default test control. The MT8850A/MT8852A transmits a number of packets containing the four ones four zeros payload (11110000), which are looped back by the EUT. Then packets with the alternate ones and zeros (101010101) payload are transmitted and are looped back by the EUT.
  • Page 90 MT8850A / MT8852A Bluetooth Test Set Using the Script Menu 10. Choose “Toggle Payload” and select either “Continuous” or “Once” as detailed below. Continuous: This is the default setting in which, to comply with the RF test specification, the payload is changed after each packet measured.
  • Page 91 Using the Script Menu MT8850A / MT8852A Bluetooth Test Set 18. Press the key and enter the new limit using the keypad. 19. Press the [Enter] soft key. 20. Press the [Conditions] soft key to return to the test conditions screen.

  • Page 92: Maximum Input Power Test (Standard Mode)

    (BER) calculation and frame error rate (FER) calculation is performed by the MT8850A/MT8852A test set. The test is repeated for each of the frequency ranges selected (LOW, MEDIUM and HIGH). This test is performed with hopping off. The LOW, MEDIUM and HIGH frequencies relate to the default frequencies specified in the Bluetooth RF test specification.
  • Page 93 Using the Script Menu MT8850A / MT8852A Bluetooth Test Set You can select or deselect the test to run and make changes to the frequency values shown. 10. To select or deselect a test, choose the test and press the key.

  • Page 94: Testing In Single Payload Script Mode

    Using the Script Menu Testing in Single Payload Script Mode In single payload mode the MT8850A/MT8852A sends a single test control to put the EUT into the specified state, and no further test controls are sent. When single payload mode is specified, an additional “single payload edit”...

  • Page 95: Initial Carrier Test (Single Payload Mode)

    Using the Script Menu MT8850A / MT8852A Bluetooth Test Set Initial Carrier Test (Single Payload Mode) The initial carrier test performs a frequency accuracy test on a DH1 pseudo random data packet. (PRBS 9) This test can be performed using either the loopback test control or the TX test control.

  • Page 96: Carrier Drift Test (Single Payload Mode)

    MT8850A/MT8852A does not send full DHX packets but just POLL packets. The EUT has been configured by the MT8850A/MT8852A to respond to a POLL with the appropriate DHX packet. The EUT must support TX mode part of the Test Mode specification for this to work.

  • Page 97: Single Slot Sensitivity Test (Single Payload Mode)

    MT8850A / MT8852A Bluetooth Test Set Single Slot Sensitivity Test (Single Payload Mode) For a single slot sensitivity measurement the MT8850A/MT8852A transmits a DH1 packet with a pseudo random payload (PRBS 9) to the EUT at a minimum power level. This test can be performed with hopping on or off.

  • Page 98: Multi-Slot Sensitivity Test (Single Payload Mode)

    (PRBS 9) to the EUT at a minimum power level. The EUT loops back the received data and a bit error rate (BER) calculation and frame error rate (FER) calculation is performed by the MT8850A/MT8852A test set. This test can be performed with hopping on or off.

  • Page 99: Modulation Index Test (Single Payload Mode)

    MT8850A / MT8852A Bluetooth Test Set Modulation Index Test (Single Payload Mode) The MT8850A/MT8852A can perform this test using either loopback test controls or TX test controls. The default form for this test is to use loopback. The following test is described using the default test control.

  • Page 100: Entering The Bt Address Of The Eut

    For Inquiry, press the [Update] soft key to initiate the Inquiry. Note: If the number of responses for the inquiry is set to 1, the MT8850A/MT8852A will automatically connect to the first device that responds. Press the [Stop] soft key to halt the Inquiry.

  • Page 101: Viewing Test Results

    Current Pkt Displays the average power of the last packet measured by the MT8850A/MT8852A. The MT8850A/MT8852A identifies the p0 in the packet and measures the power in each individual bit. Packet avg is the average power of all the measured bits.

  • Page 102: Power Control Test Results (Standard And Null Packet Modes)

    Current Pkt Displays the average power of the last packet measured by the MT8852A. The MT8850A/MT8852A identifies the p0 in the packet and measures the power in each individual bit. Packet avg is the average power of all the measured bits.

  • Page 103: Initial Carrier Test Results

    Using the Script Menu MT8850A / MT8852A Bluetooth Test Set Initial Carrier Test Results Choose “Init carrier” from the Script menu. Press the [Results] soft key. The Initial carrier results screens are displayed. Definition of test results Offset Displays the initial frequency error of the last packet measured.

  • Page 104: Carrier Drift Test Results

    MT8850A / MT8852A Bluetooth Test Set Using the Script Menu Carrier Drift Test Results Standard and single packet modes Choose “Carrier drift” from the Script menu. Press the [Results] soft key. The Carrier drift results screen is displayed. Definition of test results...
  • Page 105 Using the Script Menu MT8850A / MT8852A Bluetooth Test Set Null packet mode In null packets mode the carrier drift results screen displays as follows. Definition of test results Avg drift Displays the average drift over the entire test. Max drift Displays the peak hold value of the worst recorded drift.

  • Page 106: Single Slot Sensitivity Results

    MT8850A / MT8852A Bluetooth Test Set Using the Script Menu Single Slot Sensitivity Results Standard and single packet modes Choose “Single sensitivity” from the Script menu. Press the [Results] soft key. The Single sensitivity results screens are displayed. Press the [1 of 3] soft key to move to the second screen.
  • Page 107 This will also result in a CRC error. These packets are used in BER calculations. FER due to A lost packet will result from the MT8852A: lost packets • Not recognising the sync word header as being correct.

  • Page 108: Multi Sensitivity Test Results

    MT8850A / MT8852A Bluetooth Test Set Using the Script Menu Multi Sensitivity Test Results Standard and single packet modes Choose “Multi sensitivity” from the Script menu. Press the [Results] soft key. The Multi sensitivity results screens are displayed. Press the [1 of 3] soft key to move to the second screen.
  • Page 109 This will also result in a CRC error. These packets are used in BER calculations. FER due to A lost packet will result from the MT8852A: lost packets • Not recognising the sync word header as being correct.

  • Page 110: Modulation Index Test Results

    11110000 payload byte. It then calculates the average value of all these deviations for each packet. This value is recorded as F1avg for each packet. The displayed value on the MT8850A/MT8852A is the highest F1avg value of all the packets that have been measured.

  • Page 111: Maximum Input Power Test Results

    Using the Script Menu MT8850A / MT8852A Bluetooth Test Set Maximum Input Power Test Results Standard mode Choose “Max input power” from the Script menu. Press the [Results] soft key. The Maximum input power results screen is displayed. Press the [1 of 3] soft key to move to the second screen.
  • Page 112 This will also result in a CRC error. These packets are used in BER calculations. FER due to A lost packet will result from the MT8850A/MT8852A: lost packets • Not recognising the sync word header as being correct.

  • Page 113: Chapter 9. Audio Measurements (Mt8852A Only)

    Testing the EUT’s Audio Performance Using Remote Loopback on the MT8852A The EUTs audio performance can be tested using the set-up below. The MT8852A is put into remote loopback and the audio path tested without passing the signal through the MT8852A CODEC.
  • Page 114 No settings are required on this screen if the EUT address source is not set to RS232 or USB. Skip to step 6 in this procedure if you are not initialising the EUT using the MT8852A “EUT Control” interface. Input coding format: Select the EUT baseband sample input/output data format.
  • Page 115 OFF as required. Setting the tone generator to ON results in the creation of a 1 KHz tone by the MT8852A which is transmitted over the SCO channel. 12. Press the [2 of 3] soft key followed by the [3 of 3] soft key to return to the first page.

  • Page 116: Testing The Audio Performance Of The Eut Transmit Path

    If the EUT is not being initialised via the MT8852A RS232 control interface, the MT8852A aircode must be set to match the setting of the EUT.

  • Page 117: Testing The Audio Performance Of The Eut Receive Path

    Use of this tone is ideal for quick tests and as it is generated internally, it does not pass through the MT8852A CODEC. The tone is fixed at 1kHz. For measurement at other frequencies use of external audio is required.

  • Page 118: Putting The Eut Into Remote Loopback

    (MT8852A only) Putting the EUT into Remote Loopback It is also possible to put the EUT into remote loopback. The MT8852A will then send and receive SCO packets from the EUT. The packets will be looped back digitally in the EUT baseband and so will not introduce any distortion from the analogue circuits.

  • Page 119: Appendix A. Top-Line Messages

    EUT and the following message is displayed: “EUT disconnected” Safety The safety here refers to the MT8850A/MT8852A safety such as: “ SYSTEM SHUTTING DOWN" " INTERNAL TEMPERATURE EXCEEDED" 13000-000109 January 2003...

  • Page 120: Message Priorities

    MT8850A / MT8852A Bluetooth Test Set Top-line Messages Message Priorities 1) MESSAGE PRIORITIES All status messages are mutually exclusive for example: “Making connection” “Connection made” Script running” Depending on the use of instrument, more than one message type can be displayed.

  • Page 121: Error Codes

    Message Meaning Error!< External HCI The MT8850A/MT8852A has been configured to be controlled by an external device through its rear panel RS232 HCI interface. To return to normal operating mode, press CONFIG\MT885XA\System interfaces – and set “RS232 mode”...
  • Page 122 When attempting to establish a SCO connection with the EUT, the MT8852A air code must correspond to the air code used by the EUT. Press Config \ MT8852A \ Audio and set the air code format to match that of the EUT, before attempting a SCO connection.
  • Page 123 The packets looped back by the EUT appear to have no payload. The EUT may be looping back Null packets only. No sync word correlation The MT8850A/MT8852A is unable to correlate to the EUT transmitted packets header. No test control End The end of the test sequence has not been received.
  • Page 124 -55dBm, and for power measurements is –30dBm. Single Payload mode MT8850A/MT8852A has been configured to test an EUT by sending one test control at a time. This limits the speed with which a range of measurements can be made, but can improve reliability with EUTs that do not yet have a robust implementation of test mode signalling.

  • Page 125: Hci And Communication List Of Error Codes

    Top-line Messages MT8850A / MT8852A Bluetooth Test Set HCI and Communication List of Error Codes This section lists the various possible error codes: • The error codes indicate the reason for error e.g. “Connection lost” may be followed by one of the connection error codes.

  • Page 126: Internal Hci And Communication List Of Error Codes

    MT8850A / MT8852A Bluetooth Test Set Top-line Messages Internal HCI and Communication List of Error Codes Error Code Description 0X51 Message from state controller unknown 0X52 Command from state controller unknown 0X53 Failed to create piconet 0X54 Disconnect returned fail 0x55 Failed to communicate to HCI comm.
  • Page 127 Top-line Messages MT8850A / MT8852A Bluetooth Test Set 13000-000109 January 2003...

  • Page 129: Appendix B. Preset Values

    Appendix B. Preset Values Link status Will perform disconnect, if connected Script QUICKTEST Script mode Standard Modulation index 0.32 Range hold Auto EUT address source Inquiry Path offset Not changed Script set up conditions Not changed Test set up conditions Not changed Test pause TX power level...
  • Page 130 MT8850A / MT8852A Bluetooth Test Set Preset Values 13000-000109 January 2003...

  • Page 131: Appendix C. Specification

    Appendix C. Specification This appendix provides the specification for the MT8850A/MT8852A Bluetooth Test Set. Transmitter Tests Test Measurement Range Hop- Test Loopback Pay-load Packets Measurement Control ping Mode (Or TX) Output Average power Loopback PRBS 9 Longest To Qualification specification...

  • Page 132: Output Power

    MT8850A / MT8852A Bluetooth Test Set Specification Output Power MT8852A measures average and peak power according to the Bluetooth RF Test Specification. Measurement of output power is made with the EUT in test mode, loopback enabled and hopping on. MT8850A/MT8852A transmits the longest supported packets and longest supported payload length, with a PRBS 9 payload.

  • Page 133: Power Control

    MT8850A/MT8852A transmits DH1 packets, with a PRBS 9 payload. Power control is measured at three defined frequencies. MT8850A/MT8852A uses standard LMP commands to set the EUT power. MT8850A/MT8852A identifies the position of p0 and measures the power of every bit in the packet.

  • Page 134: Modulation Characteristics

    MT8850A/MT8852A measures modulation characteristics according to the Bluetooth RF Test Specification. Measurement of modulation characteristics is made with the EUT in test mode, loopback enabled and hopping off. MT8850A/MT8852A transmits longest supported packets, with the defined payload to the EUT. Modulation characteristics are measured at three defined frequencies.

  • Page 135: Initial Carrier Frequency Tolerance

    Bluetooth RF Test specification. Measurement of initial carrier frequency is made with the EUT in test mode, TX mode and hopping on and/or off. MT8850A/MT8852A transmits DH1 packets, with a PRBS 9 payload. Initial carrier frequency is measured at three defined frequencies.

  • Page 136: Carrier Frequency Drift

    Specification Carrier Frequency Drift MT8850A/MT8852A measures carrier frequency drift according to the Bluetooth RF Test Specification. Measurement of frequency drift is made with the EUT in test mode, with either loopback or transmitter test mode enabled. EUT transmits longest supported packets, with a 10101010 payload to the EUT.

  • Page 137: Sensitivity - Single Slot Packets

    BER and FER are measured with the EUT in test mode and loopback on. MT8850A/MT8852A transmits DH1 packets, with a PRBS 9 payload to the EUT. The user can select to run the measurement with hopping on or off. Dirty transmitter conditions as defined in the Bluetooth test specifications can be enabled.

  • Page 138: Sensitivity - Multi-Slot Packets

    BER and FER are measured with the EUT in test mode and loopback on. MT8850A/MT8852A transmits DH5 packets (or DH3 packets if DH5 not supported by EUT), with a PRBS 9 payload to the EUT. The user can select to run the measurement with hopping on or off.

  • Page 139: Maximum Input Level

    MT8850A/MT8852A transmits the DH1 packets with a PRBS 9 payload. The MT8850A/MT8852A transmitter level is set so that the EUT receiver input level is -20 dBm. BER and FER are measured at three defined frequencies.

  • Page 140: Mt8850A/Mt8852A Signal Generator

    <160µs to ± 75 kHz during the establishing of a link. When a link hopping) has been established and the EUT been placed into test mode, the MT8850A/MT8852A transmitter is pre-tuned to ±1 kHz of the nominal channel frequency at the beginning of its data burst for both fixed frequency or hopping measurements.

  • Page 141: Mt8850A/Mt8852A Measuring Receiver

    Settling time <160µs to 75 kHz during the establishment of a link. When a link has been established and the EUT has been placed into test mode, the MT8850A/MT8852A receiver is pre-tuned to ±1 kHz of the nominal channel frequency. Accuracy As frequency standard ±...

  • Page 142: Audio Specifications (Mt8852 Only

    MT8850A / MT8852A Bluetooth Test Set Specification Audio Specifications (MT8852 only) Number of SCO channels supported CVSD, A-Law, µ-Law Codec air interfaces supported Frequency response: (-3dB) measured CODEC in to CODEC out: 160Hz -3.5kHz. Measured with 50Ω source impedance and 10MΩ load impedance.

  • Page 143: Power Requirements

    RS232 HCI control interface lead USB HCI control interface lead (MT8852A only) RS232 cable for firmware updates Operation Manual Remote programming manual Certificate of Calibration LabVIEW Driver BlueSuite software (standard version) 3.5 mm jack plug x 3 (MT8852A only) 13000-000109 C-13 January 2003...
  • Page 144 MT8850A / MT8852A Bluetooth Test Set Specification Options and Accessories MT8850A-01 Rack Mount, single instrument MT8850A-03 Rack Mount, side-by-side MT8850A-06 Rear Mount RF and EUT connectors MT8850A 10 Bluetooth antenna and adapter MT8850A-20 Spare EUT/RS232 cable MT8850A-21 Spare EUT/USB cable...

  • Page 145: Appendix D. Connector Care And Handling

    Consequently, the center pins of these devices may not have the proper pin depth. The pin depth of DUT connectors should be measured to assure compatibility before attempting to mate them with Power Sensor connectors. An Anritsu Pin Depth Gauge or equivalent can be used for this purpose.
  • Page 146 MT8850A / MT8852A Bluetooth Test Set Connector Care and Handling DUT Connector Anritsu Gauging Pin Depth Pin Depth Type Set Model (inches) Gauge Reading N - Male 01-163 207 -0.000 207 +0.000 N - Female +0.030 -0.030 WSMA - Male WSMA - Female -0.000...
  • Page 147 Connector Care and Handling MT8850A / MT8852A Bluetooth Test Set • Verify that no cotton or other foreign material remains in the connector after cleaning it • If available, use compressed air to remove foreign particles and to dry the connector •...
  • Page 148 MT8850A / MT8852A Bluetooth Test Set Connector Care and Handling 13000-000109 January 2003...
  • Page 149 Index connections, 2-1, 4-1 connector care, D-1 connector handling, D-1 conventions, 1-2 about Bluetooth, 2-1 cooling, 3-2 AC line power, 3-1 creating test programs, 2-2 accessing script menu, 8-2 customizing test measurements, 2-3 accessories, 1-1, 1-2, C-13, C-14 cycles, 8-14, 8-29 activate test mode, 2-2 advanced diagnostic tools, 2-3 alpha/numeric keypad, 5-5...
  • Page 150 MT8850A / MT8852A Bluetooth Test Set Index fuse protection, 3-1 loop/stop hard key, 5-3 Getting started, 6-1 making a link, 2-3 GPIB address, 7-1, 7-9 maximum input level, C-9 GPIB indicators, 7-1 maximum input power test, 8-32, 8-39 GPIB interface, 2-2...

  • Page 151: Viii

    Index MT8850A / MT8852A Bluetooth Test Set screen display and sound, 7-10 script hard key, 5-3 script menu, 5-3, 8-1, 8-2, 8-5 packet lengths, 8-21 script mode, vii, 6-2 packet type, 8-12, 8-14, 8-29, C-2, C-3, sel. key, 5-4 C-4, C-5, C-6, C-7, C-8, C-9...
  • Page 152 MT8850A / MT8852A Bluetooth Test Set Index tools required, 3-3 updating software, 7-19 top-line messages, A-1 USB, 1-1, 2-3, 6-2, 6-3, 8-40, A-6, C-11, transmission power level, 8-6 C-13 transmission power offset value, 8-32 user friendly name, 7-2, 7-3, 7-6, 7-8, 8-...
  • Page 154 Brasil Fax: +1-613-591-1006 Fax: 03—9558--8255 Phone: +55-21-5276922 Fax: +55-21-537-1456 CHINA DENMARK FINLAND ANRITSU BEIJING SERVICE CENTER Anritsu ab Anritsu AB 416W Beijing Fortune Building Tonsbakken 10 Piispanportti 9, FIN-02240 Espoo, 5 Dong San Huan Bei Lu DK 2740 Skovlunde Finland...
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