Liquid Instruments Moku:Go User Manual

Liquid Instruments Moku:Go User Manual

Arbitrary waveform generator
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Arbitrary Waveform Generator
Moku:Go User Manual
Moku:Go's Arbitrary Waveform Generator can generate custom waveforms with up to 65,536
points at update rates of up to 125 MSa/s. Waveforms can be loaded from a file, or input as a piece-
wise mathematical function with up to 32 segments, enabling you to generate truly arbitrary
waveforms. In pulsed mode, waveforms can be output with more than 250,000 cycles of dead
time between pulses, allowing you to excite your system with an arbitrary waveform at regular
intervals over extended periods of time.
www.liquidinstruments.com
 2021 Liquid Instruments. All rights reserved.

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Summary of Contents for Liquid Instruments Moku:Go

  • Page 1 Arbitrary Waveform Generator Moku:Go User Manual Moku:Go’s Arbitrary Waveform Generator can generate custom waveforms with up to 65,536 points at update rates of up to 125 MSa/s. Waveforms can be loaded from a file, or input as a piece- wise mathematical function with up to 32 segments, enabling you to generate truly arbitrary waveforms.
  • Page 2: Table Of Contents

    Burst Waveform Types ..........................10 Custom Uploading custom waveforms Maximum recommended sampling rate Amplitude scaling and interpolation Equation Waveform segments Equation editor Power Supply ............................. 14 | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.
  • Page 3 Ensure Moku:Go is fully updated. For the latest information: www.liquidinstruments.com | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.
  • Page 4: User Interface

    Vpp/offset or high/low level representations. For frequency, click the swap button to switch between frequency or period representations. | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.
  • Page 5: Secondary Click

    Detailed information about the equation editor and custom waveform can be found in a later section. | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.
  • Page 6: Main Menu

    About • information. * Power supply is available on Moku:Go M1 and M2 models. Detailed information about power supply can be found in Moku:Go power supply manual. | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.
  • Page 7: Output Configuration

    Moku:Go assumes the external load to have a high load impedance. Selecting the correct load impedance Moku:Go’s outputs have an impedance of 200 Ω. As such, voltages supplied to a 50 Ω load will be reduced and not recommended. | Moku:Go’s Arbitrary Waveform Generator User Manual...
  • Page 8: Modulation Modes

    Modulation Modes Moku:Go’s Arbitrary Waveform Generator supports three modulation modes: Off, Pulsed, and Bursted. In normal mode, the output waveform is repeated continuously with no dead time between cycles. Pulsed In pulsed mode, the output waveform can be configured to have up to 2 = 262144 cycles of dead time between each repetition of the arbitrary waveform.
  • Page 9: Burst

    Trigger level Set the voltage level to trigger at. Input range Set the input channel range. Trigger source Select between input 1 or 2. | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.
  • Page 10: Waveform Types

    Waveform Types Generate one of five pre-set waveforms, a custom waveform from a file, or a waveform defined by a series of piece-wise mathematical equations. | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.
  • Page 11: Custom

    The amplitude of custom waveforms will be normalized to the range [-1, +1] and then scaled • to the desired amplitude and offset. Select between linear and no interpolation. • | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.
  • Page 12: Equation

    To modify the period of an individual segment, click its time segment label and type in the • desired end time for that period. The starting time for each segment is the end time for the previous segment. | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.
  • Page 13: Equation Editor

    Access recently entered equations by pressing the icon. • The validity of the entered equation is indicated by the icons that appear to the • right of the equation box. | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.
  • Page 14: Power Supply

    Power Supply Moku:Go Power supply is available on M1 and M2 models. M1 features a 2-channel power supply, while M2 features a 4-channel power supply. The power supply control window can be accessed in all instruments under the main menu.
  • Page 15 Ensure Moku:Go is fully updated. For the latest information: www.liquidinstruments.com | Moku:Go’s Arbitrary Waveform Generator User Manual © 2021 Liquid Instruments. All rights reserved.

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