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Nandi Wu
nandi@liquidinstruments.com
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Can Moku perform phase unwrapping demodulation
Published February 28th, 2021 by Nandi Wu
Lock-in Amplifier Moku's Lock-in Amplifier currently does not support phase unwrapping. While it can output phase as the error signal, the phase detector is limited to one cycle of dynamic range. This limitation arises because the effective range of the arctangent function is [-π, π]. When X changes sign, the Y/X ratio shifts from approximately -∞
Windows App keyboard shortcuts
Published February 11th, 2021 by Nandi Wu
We have included lots of keyboard shortcuts to make out Windows App more efficient. You can access the complete list of shortcuts in the Windows App at anytime with a keyboard shortcut Ctrl + H or click the "Main menu" icon -> Help -> Shortcuts list. Here are the complete list of keyboard shortcuts in our Windows App: Graph Zoom Vertical zoom
Is my iPad compatible with the Moku: App?
Published February 16th, 2021 by Nandi Wu
The iPad App requires iPadOS 14.0 or later and is compatible with the majority of iPads. You can download the app here. The following iPad versions are compatible with the legacy Moku:Lab iPad App (version 1.9.9): iPad Pro: all generations iPad Air: all generations iPad Mini: 2nd generation onwards iPad: 5th generation onwards
What is the Rect-to-Polar conversion range?
Published May 15th, 2023 by Nandi Wu
What is the Rect-to-Polar conversion range? When using the Lock-in Amplifier in Polar mode, there is a “2 Vpp” parameter below the R/Theta box. This is where you can select the rect-to-polar conversion range of the Lock-in Amplifier. This conversion range sets the largest signal amplitude that can be detected by the Lock-in Amplifier. What conver
How to delete a file in the Data Logger?
Published February 22nd, 2021 by Nandi Wu
You can delete the recorded files in the Data Logger using the File Manager. iPad App Tap the share icon to access the File Manager Select the destination where the file is saved. i.e. SD card or RAM Swipe left on the file you want to delete, this will bring up the delete button top the right of the file Tap "Delete" Windows App Click the share ico
How to find my Moku's device information
Published August 9th, 2022 by Nandi Wu
iPad App Hold down on your Moku's icon to show device information. Desktop App Right click on the device tile > select "Device info" to show device information.
How to use another output channel as a modulation source
Published July 16th, 2021 by Nandi Wu
The Moku Waveform Generator supports several types of modulation. Modulations may be driven by: An internal sinusoidal source Any of the analogue inputs Any of the other analogue outputs (a signal cannot modulate itself) To use an output channel as a modulation source: Enable a modulation and select the desired output channel by clicking on the Sour
How to get my Moku out of recovery mode?
Published May 13th, 2022 by Nandi Wu
In case you have found your Moku stuck in recovery mode, e.g. accidently disconnected the power supply during a firmware upgrade, you can get your device out of recovery mode following these steps. Moku:Pro Your Moku:Pro is in recovery mode if the 3 LED indicators at the front are flashing red. To get out of recovery mode: Connect your iPad or comp
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