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Solutions for Wireless Handset Battery Drain Characterization

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Common problems

You need to conduct exhaustive testing more quickly:

You need to thoroughly test the impact of design and algorithm changes and validate complex customer use models, but you’ve got 2 months’ worth of testing to accomplish in a 1-week test schedule.

You need better insight: To squeeze the most operating time out of your battery, you need to understand clearly how your handset manages its battery energy, both overall and within individual subcircuits.

You need to better model real-world use profiles: When you validate battery operating times, you need to ensure your tests reflect realistic user experience.

Meet your schedule with more conidence

  • Reduce time spent conducting battery drain tests
  • Reduce delays getting an expert programmer to automate tests
  • Gain greater insight from battery drain characterization tests
  • More thoroughly assess your power-saving algorithm’s true effectiveness
  • More accurately quantify how individual circuits affect overall operating time
  • More easily identify root causes of overloads that trigger early low-battery shutdown
  • Validate battery operating times for realistic user experiences
  • More easily create realistic user-experience scenarios for 3G, 4G, data applications and simultaneous user activities
  • Ensure measurements aren’t affecting actual results
  • More accurately assess the true battery capacity delivered
  • More quickly clear up uncertainties when you validate low-battery shutdown
  • Solution: Automate tests with much less effort…
  • …using Keysight’s integrated, modular software
  • 14565B device characterization software with test automation

Key capabilities:

Can be automated from most other programs (including E6568C Wireless Test Manager, N5970A /71A interactive functional stress test software, Keysight Technologies, Inc. VEE, and NI LabVIEW) and programming environments to combine measurements with device control and stimulus

Named time stamps can be inserted into the current drain data log under program control to associate with device stimulus. Works exclusively with 66319/21 DC sources to create a long-term continuous battery drain measurement solution E6568C Wireless Test Manager software

Key capabilities:

  • Lets you quickly build automated tests with minimum effort
  • Developer’s version allows you to create custom test steps
  • Works with E5515C wireless communications test set and 14565B software
  •  
  • N5970A UMTS and N5971A CDMA interactive functional
  • test software

Key capabilities :

  • Functionally tests 3G and 4G devices with realistic user experiences
  • Lets you test multiple simultaneous DUT activities
  • Supports testing SMS, MMS and FTP data services and more
  • Automatically generates test script code from GUI
  • Works with E5515C wireless communications test set and 14565B software
  • Generates battery drain log markers for DUT stimuli

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