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LTspice 26.0.2 .meas statement editor strange comportement !

Thread Summary

The user observed that the .meas statement in LTspice is not interpreted correctly after editing, specifically when measuring power (U × I) when voltage V1 falls to 2.5V for the first time. The final answer confirms that the issue is a known bug where the 'When' condition is replaced with 'At'.
AI Generated Content
Category: Software
Software Version: LTspice 26.0.2

Hello,

I observed some strange behavior in the .meas Statement Editor. The menu appears when right-clicking on a .meas statement.Eg : 

I want to measure the power (U × I) when voltage V1 falls to 2.5 V for the first time.
The measurement seems to work correctly when I click ‘Test’, and the LTspice log file is generated properly

If I want to edit the .meas function again, I lose the previous .meas Statement Editor window, and the configuration is different. .meas statement seems to not be interpreted.

Is it a bug?

MEAS_EDIT_RESET.asc

I also notice sometime after running the simulation when I clic on "test" button in the .meas Statement Editor "error" but in reality function works fine in log file. I have to log this kind of behaviour.

Emilien

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