20 | Moku:Pro Waveform Generator User Manual © 2023 Liquid Instruments. All rights reserved.
Instrument reference
Waveform types
The Moku:Pro Waveform Generator is capable of generating six different signals, each with
optional modulation.
Sine wave
The Sine wave is the simplest dynamic signal in the Moku:Pro. It features extremely low harmonic
distortion; it’s very close to a pure single frequency.
The Sine wave can be modulated by all available modulation types except PWM. Moreover, it forms
the basis of the “Internal” selectable modulation source, providing a modulating waveform
regardless of whether any channel of the Moku:Pro is currently outputting a Sine wave.
Square wave
The Square wave is a low-jitter waveform with fixed 50% duty cycle and high slew rates. The high
analog bandwidth of the Moku:Pro gives very sharp rise and fall times, highly desirable in many
applications. If you require slew-rate limits or variable duty cycle in your application, see Pulse
Wave below.
Ramp wave
The Ramp wave consists of linear ramps from low level to high and back again. The ratio between
the time spent rising and the overall period is referred to as the symmetry. If you require
configurable dwell times at the high or low levels but common rise and fall times, you may use the
Pulse wave with large edge times.
Pulse wave
The Pulse wave is like the Square wave but has configurable duty cycle and edge times (rise and
fall time). The trade-off is that at high frequency, Pulse has slightly worse edge jitter behavior
compared to the Square wave.
The Pulse wave also uniquely supports pulse-width modulation (PWM). When PWM is enabled,
edge times are fixed to their minimum values.
Noise
Approximately gaussian, white noise.
DC
Provides a high precision, fixed reference voltage at the output.
Waveform parameters
Amplitude
Applicable to: Sine, Square, Ramp, Pulse, Noise
Amplitude is specified as a Peak-to-Peak value; that is, the high level minus the low level. If you
wish to specify the high and low levels explicitly, tap the Amplitude pill then the toggle arrows in
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