Release Notes  
Product(s)	 : TekExpress A-PHY
Version		 : 1.1.0
Last Revised	 : July-2026

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Contents:

1. Introduction
2. List of Oscilloscopes supported
3. List of supported tests
4. TekExpress Application created changes on your system.
5. What's new in Version 1.1.0
6. Recommendations
7. Known Limitations 
   7.1 Installer related limitation 
   7.2 TekExpress Application related limitation 

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1. Introduction

The Tektronix TekExpress® A-PHY compliance application provides a complete physical layer test solution for automated transmitter compliance testing and characterization of MIPI A-PHY devices. The solution streamlines the execution of compliance measurements, accelerates root-cause analysis, and enables engineers to validate signal quality and performance with confidence across multiple A-PHY operating modes and data rates.

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2. List of Oscilloscopes supported

6 Series B MSO Mixed Signal Oscilloscope.
7 Series DPO Digital Phosphor Oscilloscope.
with TekScope firmware Version : 2.26.13 or greater

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3. List of supported tests in TekExpress A-PHY

a.) Transmit Power Spectral Density Mask
b.) Transmitter Maximum Output Droop
c.) Transmitter Timing Jitter
d.) PAM-X Transmitter Linearity
e.) Transmitter Symbol Rate Accuracy
f.) NRZ Transmitter Eye Opening
g.) SMART

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4. TekExpress A-PHY created changes on your system.

After first launch of "TekExpress A-PHY.exe" following changes take place in 
your computer.
a) "My TekExpress" folder is created under "My Documents" folder of current user
    NOTE: If a user with new login ID launches "TekExpress A-PHY.exe" ,
   "My TekExpress" folder is created under "My Documents" of the new user. 
b) "Untitled Session" folder is created under "TekExpress A-PHY" folder when the 
   application is launched and will be deleted after proper termination of the
   application.
c) If user saves a session then all session files are saved under "TekExpress A-PHY"
   folder accordingly. Note that each session has multiple files associated with it and do 
   not tamper with any of the session file(s) and/or folder(s) as this may result in loss 
   of data or corrupted session files.

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5. What's new in Version 1.1.0
Supported with latest TekExpress Framework v5.12.0.22.
Support to 6B MSO and DPO7 Series Tektronix Oscilloscopes.
Supports Specification v1.1.

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6. Recommendations

a) Ensure that all the required instruments are properly warmed up, Signal Path Compensation 
is performed and deskew is done.
b) If any of the tests get skipped even after having MCR 8.0, ensure "C:\Users\~_Local_Admin\AppData\Local\Temp\~_Local_Admin\mcrCache8.0" is deleted. Re-Run the tests after this.
c) Ensure TekVisa Version v5.11.1 is available on the oscilloscope.

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7. Known Limitations

7.1 Installer related limitation
a) Installation of TekExpress and other software packages are installed on C:\ drive only.
b) The available free space on C: drive must be minimum 2.2GB.

7.2 TekExpress Application related limitation
a) While executing a session in Pre Recorded with multiple runs, deselect the 'Transmit Power Spectral Density Mask' test.
b) Supports multi-gear A-PHY operation (NRZ and PAM4) with data rates up to 16 Gbps.
c) AFG Calibration is supported only in live mode. When executed in pre-recorded mode, the application will display a “waveform missing” error. Therefore, ensure that the AFG Calibration test is deselected when running in recorded mode.
d) IMPORTANT: Do not click or modify any parameters on 'Setup > DUT' panel during the test execution.
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