Keysight X8712A User Manual Download

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Keysight X8712A IoT Device Battery Life Optimization Solution User’s Guide

Do Not Modify the Instrument

Do not install substitute parts or perform any unauthorized modification to the

product. Return the product to a Keysight Sales and Service Office for service and

repair to ensure that safety features are maintained.

In Case of Damage

Instruments that appear damaged or defective should be made inoperative and

secured against unintended operation until they can be repaired by qualified

service personnel.

Summary of Contents for X8712A

Page 1: ...Keysight X8712A IoT Device Battery Life Optimization Solution User s Guide ...

Page 2: ...cess of these rights customarily provided to the public to use modify reproduce release per form display or disclose commercial computer software or commercial com puter software documentation No additional government requirements beyond those set forth in the EULA shall apply except to the extent that those terms rights or licenses are explicitly required from all providers of commercial computer...

Page 3: ...fe operation of the instrument Direct current DC Alternating current AC Caution risk of electric shock Caution risk of danger refer to this manual for specific Warning or Caution information Standby supply Unit is not completely connected from AC mains when switched off Frame or chassis ground terminal Protective earth ground terminal Equipment protected throughout by double insulation or reinforc...

Page 4: ...er Verify that all safety precautions are taken Make all connections to the unit before applying power and select the appropriate power line voltage on the fuse module Ground the Instrument This product is provided with protective earth terminals To minimize shock hazard the instrument must be connected to the ac power mains through a grounded power cable with the ground wire firmly connected to a...

Page 5: ...nauthorized modification to the product Return the product to a Keysight Sales and Service Office for service and repair to ensure that safety features are maintained In Case of Damage Instruments that appear damaged or defective should be made inoperative and secured against unintended operation until they can be repaired by qualified service personnel ...

Page 6: ... The table below shows the general environmental requirements for this instrument Environmental condition Requirement Temperature Operating condition 0 to 55 C Storage condition 30 to 70 C Humidity Operating condition Up to 80 relative humidity at 40 C non condensing Storage condition Up to 95 relative humidity at 40 C non condensing Altitude Up to 2000 m Pollution degree 2 ...

Page 7: ...User s Guide 7 Regulatory Information The X8712A complies with the following safety and Electromagnetic Compatibility EMC compliances EMC regulations IEC 61326 1 2012 EN 64326 1 2013 Canada ICES NMB 001 Issue 4 June 2006 Australia New Zealand AS NZS CISPR 11 2011 ...

Page 8: ...tion This symbol indicates the time period during which no hazardous or toxic substance elements are expected to leak or deteriorate during normal use Forty years is the expected useful life of the product The RCM mark is a registered trademark of the Spectrum Management Agency of Australia This signifies compliance with the Australia EMC Framework regulations under the terms of the Radio Communic...

Page 9: ...this electrical or electronic product in domestic household waste Product category With reference to the equipment types in the WEEE directive Annex 1 this instrument is classified as a Monitoring and Control Instrument product The affixed product label is as shown below Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Keysight Service Center or vi...

Page 10: ...ort To contact Keysight for sales and technical support refer to the support links on the following Keysight websites www keysight com find X8712A product specific information and support software and documentation updates www keysight com find assist worldwide contact information for repair and service ...

Page 11: ... Analyzer with SMU and Electronic Load Modules 14 X8712A Channel Function 15 List of Supported SMU and Electronic Load Modules 16 X8712AD RF Event Detector 17 To Prepare Instrument for Use 18 Equipment Requirements 18 List of Accessories 19 Software Requirements 19 System and Installation Requirements 20 Characteristics 20 N6705C Two Channel Configuration 21 Connect an Over the Air DUT in Self Adv...

Page 12: ...art 37 Chart Configuration Settings 38 Section B Tool Bar 41 Section C Calculation Source 43 Calculation Source Settings 46 Results 48 Section D Zoom and Analysis Chart 50 General Troubleshooting 52 Offline Mode 52 Online Mode Active Connection to N6705C Unit 53 Software Related Error Messages 55 N6784A Not Supported in Channel 1 55 Instrument Settings Changed from 4 wire to 2 wire Sense Mode 55 C...

Page 13: ...imize them accordingly to meet the battery life requirements Easily estimate battery life of your IoT device When measuring the power consumption at the sub system level the KS833A1B Event based Power Analysis software calculates the RF or DC event s occupancy time and current consumption contribution in percentage and presents the information in a tabular and chart format For homogenous signals t...

Page 14: ...3A1B Event based Power Analysis software N6705C DC Power Analyzer with SMU and Electronic Load Modules The N6705C DC power analyzer can measure DC voltage and current to and from the device under test DUT The SMU modules consist of battery emulators tailored for powering IoT devices up to 80 W and measuring current drain from nA to A using patented seamless current ranging technology while the DC ...

Page 15: ...he DUT and measure the total current drain of the DUT Channel 2 Fixed as Power Detector Function Monitor RF events and capture the power envelope of the RF signals transmitted or received by the DUT for RF event current consumption analysis Connect the X8712AD RF event detector to Channel 2 Channel 3 and 4 Select one of these settings VM AM or 2 QPS for DC events correlation Channel 3 and 4 can be...

Page 16: ...6792A Double wide power module 0 to 61 2 0 to 40 8 3 only NOTE The N6782A N6784A N6786A N6791A and N6792A are only supported in Event based Power Analysis version 1 1 03079 0 or above with KS833A1B license Double wide power modules such as N6785A N6786A and N6792A have a higher capacity and will occupy two slots when installed in the N6705C They can only be installed on Channel 1 or 3 When install...

Page 17: ... path is higher therefore the signal level is lower With the right threshold configuration the software is able to differentiate the uplink and downlink signals and use this to correlate with the current consumption waveform to analyze current consumption by transmit or receive mode Pairing Device Downlink DUT Uplink X8712AD Shield Box Refer to Note NOTE The X8712AD RF Event Detector has a limit o...

Page 18: ...5 X8712AD RF event detector with 50 ohm terminator 2 Laptop PC with USB port not included 6 Device under test DUT not included 3 KS833A1B Event Based Power Analysis software 7 Shield box with antenna not included 4 Keysight N6705C DC power analyzer Front Panel with source measure unit SMU electronic load modules installed 2 5 1 4 3 6 7 Connect to the PC through USB LAN or GPIB connection ...

Page 19: ...2018 version 18 1 22713 0 via USB connection Keysight Test Automation Platform TAP Deployment System version 8 2 510 or above Keysight KS833A1B Event Based Power Analysis software version 1 0 8298 0 or above NOTE This cable is included with every purchase of N6705C DC power analyzer You can find Keysight Test Leads here For an example of how this accessory is used refer to the Application Note at ...

Page 20: ...ng on your choice of DUT and test requirement Two channel Configuration on page 21 Option 1 Connect an over the air DUT with self advertising or in test mode Option 2 Pair an external companion device in signaling mode Four channel Configuration on page 24 Sense voltage or current response to synchronize the events Two Channel Configuration for Non RF events on page 26 Sense voltage or current res...

Page 21: ...w DUT is controlled using an external companion device page 23 Channel 1 is fixed as Battery Emulator function and is used to power up the DUT and monitor the total current drain Channel 2 is fixed as Power Detector function with the X8712AD RF event detector connected to capture the RF signal transmitted or received by the DUT Connect an Over the Air DUT in Self Advertising or Test Mode The image...

Page 22: ...tput will range from 0 to 2 V 7 Connect the Micro USB cable from N6705C to the front panel of X8712AD RF event detector to power the event detector that requires 5 V of DC to operate NOTE The two in one power combiner within the X8712AD produces equal RF signal on port 1 and port 2 on the front panel as shown on page 17 You are recommended to connect the 50 ohm terminator to the unused port to avo...

Page 23: ...ow the instructions from step 1 to step 7 in the Connect an Over the Air DUT in Self Advertising or Test Mode section 2 Connect your companion device to the other front end connector of the X8712AD RF event detector You have completed the hardware setup based on these examples Go to Software Installation section to install the required software to operate the X8712A IoT device battery life optimiz...

Page 24: ...el 1 Connect DUT Channel 2 Connect X8712AD RF event detector Channel 3 and 4 Custom wiring and or custom sensors with voltage or current response to synchronize the events Channel 1 is fixed as Battery Emulator module and is used to power up the DUT and monitor the total current drain Channel 2 is fixed as Power Detector module with the X8712AD RF event detector connected to capture the RF signal ...

Page 25: ...sical connection to the DUT 3 If you are using a voltage based sensor in Channel 3 and a current based sensor in Channel 4 to synchronize the events connect your voltage based sensor to Channel 3 using V and V 2 wire configuration to the output binding post terminals Do the same to connect the current based sensor to Channel 4 You have completed the hardware setup based on this example Go to the S...

Page 26: ...nnel as synchronous events to calculate current consumption Follow the instructions below to set up the hardware as shown above 1 Refer to N6705C User s Guide for instructions on how to install the SMU modules into the N6705C DC power analyzer 2 Use the test leads not included to connect your DUT to Channel 1 Battery Emulator 3 Connect your voltage based sensor to Channel 3 or 4 using V and V acco...

Page 27: ...nd alerts when the PC does not have certain software listed in Software Requirements section 1 Go to www keysight com find KS833A1B for KS833A1B Event Based Power Analysis software to download the installer 2 Run the installer and follow the installation instructions accordingly 3 Click Finish to exit the installation wizard Upon successful installation the software will be listed in the Start men...

Page 28: ...icense Entitlement Certificate to redeem your licenses and obtain the license files from Keysight Software Manager at www keysight com find softwaremanager KS833A1B License Certificate 1 Refer to the email or printed Keysight License Entitlement Certificate for instructions on how to redeem your license 2 Follow the instructions on the Keysight Software License Entitlement Certificate to redeem yo...

Page 29: ...llowing steps with reference to the image below a Click the tools icon 1 followed by Install License File 2 b Locate the local copy of the License file lic and click Open c Successful license installation will be listed as below 4 Repeat step 1 through 3 to add new licenses You have completed the hardware setup and software installation for the X8712A solution Go to the next section to learn the f...

Page 30: ...nnect button Upon successful connection it will display a status such as Connected to N6705C VISA Address next to the Acquire button Load Last Data Click this button to load last settings and data Acquire Click to acquire data from the connected instrument During the Acquire state observe the progress spinner next to the VISA address Abort Click to stop acquiring measurement results and return to ...

Page 31: ... Sample Size Define the number of points in a measurement where the minimum point is 1 The range is dependent on the number of channels below One channel up to 512K points Two channels up to 256K points Three channels up to 128K points Four channels up to 64K points where K equals 1024 Time Interval s Define the time period between samples where the maximum is 0 1 seconds The minimum time interval...

Page 32: ... voltage in order to measure current Note Current measured could be a positive or negative value Clear the Enable check box of the respective channels that are not in use to disable the settings in Section C Calculation Source Note Channel 1 Battery Emulator sets constant voltage and measure current The current limit functions to protect the DUT and act as measurement range When the limit is set t...

Page 33: ...ion settings are different The software will take control of the settings Delay Select the check box to enable delay time between pressing the Acquire button and the actual start time of the measurement Delay s Enter the desired delay time in seconds Default 0 Center Frequency MHz Range from 100 to 2900 MHz Default 2402 MHz Triggered Mode Only start capturing waveform when criteria are met Trigger...

Page 34: ...our hardware connections 3 Click Acquire to begin capturing the waveforms The Acquire button will change to Abort during the measurement and disable the settings page 30 4 Once the software completes the measurement observe the status at the top right corner Click Edit to enable settings control An example of a successful results as shown below Capabilities of the software is covered in Chapter 2 ...

Page 35: ...ls to the current measurement in a single graph Its capabilities include Automated correlation between RF DC signals to power consumption in a single display Single shot waveform capture Individual event s post data analysis Current consumption in percentage Occupied time in percentage Battery life estimation Triggering function by each channel In depth current analysis by zones segments CCDF stat...

Page 36: ... you will use the graph below as an example to explore the capabilities offered in the Keysight KS833A1B Event Based Power Analysis software The descriptions and functions of each section will be segregated according to the sections below From this section onwards refer to the following sections as Section A Main Chart Section B Tool Bar Section C Calculation Source Section D Zoom and Analysis Cha...

Page 37: ...trument settings and raw data in default analysis file You can only use the KS833A1B Event Based Power Analysis software to open this file Save Settings As Save instrument settings and raw data in analysis file with a naming of your choice Export Export data in csv file with the settings and results from Analysis mode XY mode Zoom trace data from selected channel You can open these csv files using...

Page 38: ...rt Settings Description Edit the display settings of the main chart Title Name the title of your graph Show Legend Show the color of each trace line and select the check box to show or hide the trace line in the main chart Data Series Tooltip Select the check box to display respective X and Y data for each point when you point the main chart with a cursor Shift Data Series Select the check box to ...

Page 39: ... to SI prefixes Grid lines Major Automatically divides X axis into major sections Minor Automatically divides X axis into minor sections Y Axis Settings Description Select to configure settings for the Ampere dBm or Volt line graph Label Rotation Rotates the Y axes values according to the degrees set Default 0 Data Label Unit Unit Default blank Show in title Select to display unit on X axis title ...

Page 40: ...d 4 to set trace line parameters Series Name Default Channel 1 Line Thickness Default 1 Features Steps Zoom In Drag your cursor across the chart until you see a square covering the desired area Release to zoom in on that section of the chart Auto scale Y axis Point the cursor to Y axis and double click to auto scale Auto scale Main Chart Point the cursor at the main chart and double click to auto ...

Page 41: ...ng settings B Settings Description Mode Analysis Display Section C Calculation Source settings and results XY Display the respective X and Y values in a selected series at one particular point View Table Select to view results in table form in Section C Calculation Source Chart Select to view results in chart form in Section D Zoom and Analysis Chart ...

Page 42: ...ine markers shown below to contain the desired area for analysis Analyze Click this button to analyze the area between the two line markers in the main chart and update the respective values in Section C Calculation Source and Section D Zoom and Analysis Chart Moving the markers without clicking Analyze will not change the results in Section C Calculation Source and Section D Zoom and Analysis Cha...

Page 43: ...ion Source This section and the next Section D Zoom and Analysis Chart are calculated and illustrated based on the area set between the two line markers in the main chart See page 37 to learn more about the main chart s functionalities Click the drop down list and clear Chart to view the complete table below C a b ...

Page 44: ...o 4 are known as Physical events where these events are optional depending on the channel selected b Current event Other events derived from the current waveform Channel 1 using Zone are always valid when the program is running The region is defined by the upper or lower zones of Avg Channel 1 data These channels will be grayed out when it is deselected in software settings ...

Page 45: ...ith second highest priority Ch 3 XXX Event 1 Blue XXX could be in VM AM or 2 QPS mode from selection synchronous from Channel 3 Default VM Ch 4 XXX Event 2 Purple XXX could be in VM AM or 2 QPS mode from selection synchronous from Channel 4 Default VM Avg Ch1 Battery Region 1 Pink Zones are evenly distributed from minimum to maximum of average channel 1 based on number of Zones set Avg Ch1 Battery...

Page 46: ...n chart Default 0 2 A based on the capacity of a CR2302 coin cell Note Key in the correct battery capacity to obtain accurate results for Total Charge and Battery Life Label The waveform is segregated according to different event based on the upper and lower threshold Each event is categorized according to the label color You can also change the label of the events directly on the table Click Anal...

Page 47: ...o 20 Ampere 3 to 3 Power Supply 3 to 3 Ampere Note The upper threshold cannot be lower than the lower threshold Upper Threshold and Lower Threshold Region 1 and 2 Select the lower and upper threshold in terms of Zones number from the drop down list that contain the desired area for analysis Note The upper threshold cannot be lower than the lower threshold Other Remaining profiles Settings Descript...

Page 48: ... event under the cycle time Charge Consumed Sorts synchronous physical or current events from page 44 within cycle time Synchronous charge is defined as the mapping of the same time position current in Channel 1 and integrating them as charge by event The sum of all charges by events will equal to Total Charge Charge by Event Synchronous charge by events Ah Total Charge Ah within cycle time 100 Ma...

Page 49: ...time to measure charge capacity in Ampere per hour Total Charge Ah sum of all Channel 1 current data within cycle time time interval 3600 seconds Battery Life Measure battery life in hours based on the amount of Charge by Event cycle time and battery capacity set Battery Life Battery Capacity Ah Total Charge Ah Cycle time h Results Description ...

Page 50: ...y Life Optimization Solution User s Guide Section D Zoom and Analysis Chart Click the drop down list and clear Table to view the complete charts as shown below You can clear the check box next to the name of the four charts to disable the view of a chart D ...

Page 51: ...CCDF Complementary Cumulative Distribution Function Graph of time and charge taken when a signal is at or above a given power level A plot of relative power levels versus probability to explain peak to average ratios Default Y axes Time in percentage illustrated in yellow trace Charge in percentage illustrated in blue trace Turn on the Data series tooltip to view the respective X and Y value marke...

Page 52: ...2 Result Analysis 52 Keysight X8712A IoT Device Battery Life Optimization Solution User s Guide General Troubleshooting Offline Mode ...

Page 53: ...C Verifyif there is any error message in the displayof N6705C front panel Refer to N6705C Service Guide for hardware troubleshooting Verifythe module set in Channel 1 is BatteryEmulator and Channel 2 is Power Detector Check N6705C system information USB device should be autorecognized by PC under hot plug Open KeysightIO Librarysuite versionand observe the format of the VISA address as below USB0 ...

Page 54: ...and N6705C appear IO occasionally If the program is still running either wait or close the program Ensure that sensor connectedto the correct channel according totype of signal Change module to power supply mode to ensure that recorded signals corresponded tothe event Use a different sensor Ensure that the X8712AD RF event detector is connectedto N6705C via USB Observe the LED and the red LED is O...

Page 55: ...pported models stated in the List of Supported SMU and Electronic Load Modules This is only applicable for the KS833A1B software KS833A1A users may consider upgrading to the KS833A1B for this capability Instrument Settings Changed from 4 wire to 2 wire Sense Mode You will see the warning message below when the software detected the 4 wire configuration instead of the recommended 2 wire configurati...

Page 56: ...d Modules and ensure that the set current limit and voltage values falls within the range according to the SMU modules This is only applicable for the KS833A1B software KS833A1A users may consider upgrading to the KS833A1B for this capability Licenses Not Found You will see the pop up window when the Keysight KS833A1A KS833A1B Event Based Power Analysis software is unable to detect the licenses re...

Page 57: ...n This is only applicable for the KS833A1B software KS833A1A users may consider upgrading to the KS833A1B for this capability Support Subscription License Expired You will see the pop up message below when your support subscription has expired You would be able to use the current KS833A1B Event Based Power Analysis software with a valid software license but you are not eligible for future software...

Page 58: ...ew tips that you can try Set the center frequency to be within the range mentioned in the message Inconsistent Settings between the Instrument and Software The software will scan through instrument and software settings as the software is acquiring data from the instrument Inconsistent settings between the hardware and software will show the pop up below Match your instrument and software settings...

Page 59: ...ow in the C Program Files Keysight EBPA directory before you launch the software again a Default analysis b DefaultOri json c DefaultZoom json d DefaultCCDF json Contact Keysight support if the problem persists Channel Under Protection Mode Protection Mode occurs when an over voltage over temperature and over current inhibit signal or power fail condition For some models protection mode can detect...

Page 60: ...e Trigger Mode Trigger Mode is one of the settings listed on page 33 When you receive this pop up message it is recommended to increase the Time Variable s settings Here s a few tips you can try Increase your Time Variable s Click Yes to return to Single acquire mode Click No to stop acquisition ...

Page 61: ...Result Analysis 2 Keysight X8712A IoT Device Battery Life Optimization Solution User s Guide 61 THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 62: ...ject to change without notice Always refer to the English version at the Keysight website for the latest revision Keysight Technologies 2019 Edition 3 December 2019 Printed in Malaysia X8712 90001 X8712 90001 www keysight com ...

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