Changes in this release: * Bug fixes and performance improvements. Changes in v4.1.1.1: * New instrument: Gigabit Streamer (Moku:Delta only). Stream sample data at up to 5 GSa/s through SFP/QSFP ports, enabling real-time wideband capture and playback with external systems. * Use Neural Network instrument on Moku:Go and Moku:Lab. * Manually configure Moku:Pro analog input bandwidth to 300 MHz or 600 MHz, increasing the maximum frequency of the Spectrum Analyzer and Phasemeter to 600 MHz. * Custom Instrument (previously "Cloud Compile") improvements: * List and download Moku Cloud Compile bitstreams directly in the app. * Read out values from custom bitstreams via status registers. * Run bitstreams at the full FPGA clock rate. (Subject to export controls.) * Time & Frequency Analyzer improvements: * Compute and display the g(2) correlation function in real time. * Configure which event starts an interval when multiple start events are detected. * Configure whether to discard incomplete intervals when a gate period ends. * New 3-slot layout in Multi-Instrument Mode on Moku:Go and Moku:Lab. * Two channels (up from one) in the Spectrum Analyzer in Multi-Instrument Mode on 8-slot Moku:Delta and 2-slot Moku:Go / Moku:Lab.

* New instrument: Gigabit Streamer (Moku:Delta only). Stream sample data at up to 5 GSa/s through SFP/QSFP ports, enabling real-time wideband capture and playback with external systems. * Use Neural Network instrument on Moku:Go and Moku:Lab. * Manually configure Moku:Pro analog input bandwidth to 300 MHz or 600 MHz, increasing the maximum frequency of the Spectrum Analyzer and Phasemeter to 600 MHz. * Custom Instrument (previously "Cloud Compile") improvements: * List and download Moku Cloud Compile bitstreams directly in the app. * Read out values from custom bitstreams via status registers. * Run bitstreams at the full FPGA clock rate. (Subject to export controls.) * Time & Frequency Analyzer improvements: * Compute and display the g(2) correlation function in real time. * Configure which event starts an interval when multiple start events are detected. * Configure whether to discard incomplete intervals when a gate period ends. * New 3-slot layout in Multi-Instrument Mode on Moku:Go and Moku:Lab. * Two channels (up from one) in the Spectrum Analyzer in Multi-Instrument Mode on 8-slot Moku:Delta and 2-slot Moku:Go / Moku:Lab.

Note: If you're updating from v3 and are currently using any API clients or the Moku Command Line Utility, they will also need to be updated. v4.0.3.1 has minor bug fixes and performance improvements. v4.0.1.1 added support for our newest and most powerful hardware platform, Moku:Delta: * 8 inputs, 8 outputs. * 5 GSa/s sampling / 2 GHz bandwidth on all inputs and outputs simultaneously. * Less than 10 nV/sqrt(Hz) analog input noise. * 32 digital I/O channels. * Ethernet, USB-C, Q/SFP connectivity. * 1 ppb clock stability with optional GNSS disciplining. * Run up to 8 instruments simultaneously in Multi-Instrument Mode. Other improvements in v4.0.1.1 included: * New Multi-Instrument Mode user interface with the ability to leave inputs unconnected. * New file format for saving and sharing instrument settings and Multi-Instrument Mode configurations. * USB decoder in the Protocol Analyzer. * Runt triggering in the Oscilloscope. * Manual triggering for burst and sweep modulation in the Waveform Generator and Arbitrary Waveform Generator. * Configurable delay compensation in the Frequency Response Analyzer. * Connect to a Moku without needing to know its IP address.

Note: If you're updating from v3 and are currently using any API clients or the Moku Command Line Utility, they will also need to be updated. v4.0.2.1 has minor bug fixes and performance improvements. v4.0.1.1 added support for our newest and most powerful hardware platform, Moku:Delta: * 8 inputs, 8 outputs. * 5 GSa/s sampling / 2 GHz bandwidth on all inputs and outputs simultaneously. * Less than 10 nV/sqrt(Hz) analog input noise. * 32 digital I/O channels. * Ethernet, USB-C, Q/SFP connectivity. * 1 ppb clock stability with optional GNSS disciplining. * Run up to 8 instruments simultaneously in Multi-Instrument Mode. Other improvements in v4.0.1.1 included: * New Multi-Instrument Mode user interface with the ability to leave inputs unconnected. * New file format for saving and sharing instrument settings and Multi-Instrument Mode configurations. * USB decoder in the Protocol Analyzer. * Runt triggering in the Oscilloscope. * Manual triggering for burst and sweep modulation in the Waveform Generator and Arbitrary Waveform Generator. * Configurable delay compensation in the Frequency Response Analyzer. * Connect to a Moku without needing to know its IP address.

v4.0.1.1 adds support for our newest and most powerful hardware platform, Moku:Delta: * 8 inputs, 8 outputs. * 5 GSa/s sampling / 2 GHz bandwidth on all inputs and outputs simultaneously. * Less than 10 nV/sqrt(Hz) analog input noise. * 32 digital I/O channels. * Ethernet, USB-C, Q/SFP connectivity. * 1 ppb clock stability with optional GNSS disciplining. * Run up to 8 instruments simultaneously in Multi-Instrument Mode. Other improvements in this release include: * New Multi-Instrument Mode user interface with the ability to leave inputs unconnected. * New file format for saving and sharing instrument settings and Multi-Instrument Mode configurations. * USB decoder in the Protocol Analyzer. * Runt triggering in the Oscilloscope. * Manual triggering for burst and sweep modulation in the Waveform Generator and Arbitrary Waveform Generator. * Configurable delay compensation in the Frequency Response Analyzer. * Connect to a Moku without needing to know its IP address. This is a major release and requires that you update all elements of the MokuOS ecosystem, including Applications, API clients, and the Moku Command Line Utility if used.

New in v3.3.2.3: * Minor bug fixes, performance enhancements and interface improvements. New in v3.3.1.1: * New instrument: Neural Network. Implement a real-time, low-latency neural network of up to five fully connected layers with 100 neurons each and customizable activation functions. (Moku:Pro only. Multi-Instrument only.) * New feature: AI Help, trained on Moku-specific documentation. (iPadOS 15 or later.) * Increased number of inputs to Oscilloscope, Data Logger, AWG, and Cloud Compile in Multi-Instrument. (Moku:Pro only.) * Higher order filters in Digital Filter Box. * Multi-Instrument routing can now be changed without interrupting instruments. * External trigger can now be used in Multi-Instrument in embedded Data Logger. * XY math operation is now available in embedded Oscilloscopes. * Phasemeter outputs can now be configured before being enabled. * Minor bug fixes, performance enhancements and interface improvements.

New in this release: * Minor bug fixes, performance enhancements and interface improvements. Please note: * The Moku firmware update in this release requires API clients to be upgraded. New in v3.3.1.1: * New instrument: Neural Network. Implement a real-time, low-latency neural network of up to five fully connected layers with 100 neurons each and customizable activation functions. (Moku:Pro only. Multi-Instrument only.) * New feature: AI Help, trained on Moku-specific documentation. (iPadOS 15 or later.) * Increased number of inputs to Oscilloscope, Data Logger, AWG, and Cloud Compile in Multi-Instrument. (Moku:Pro only.) * Higher order filters in Digital Filter Box. * Multi-Instrument routing can now be changed without interrupting instruments. * External trigger can now be used in Multi-Instrument in embedded Data Logger. * XY math operation is now available in embedded Oscilloscopes. * Phasemeter outputs can now be configured before being enabled. * Minor bug fixes, performance enhancements and interface improvements.

* New instrument: Neural Network. Implement a real-time, low-latency neural network of up to five fully connected layers with 100 neurons each and customizable activation functions. (Moku:Pro only. Multi-Instrument only.) * New feature: AI Help, trained on Moku-specific documentation. (Requires iPadOS 15 or later.) * Increased number of inputs to Oscilloscope, Data Logger, AWG, and Cloud Compile in Multi-Instrument. (Moku:Pro only.) * Higher order filters in Digital Filter Box. * Multi-Instrument routing can now be changed without interrupting instruments. * External trigger can now be used in Multi-Instrument in embedded Data Logger. * XY math operation is now available in embedded Oscilloscopes. * Phasemeter outputs can now be configured before being enabled. * Minor bug fixes, performance enhancements and interface improvements. Please note: The Moku firmware update in this release requires API clients to be upgraded.

New in this release: * Minor bug fixes, performance enhancements and interface improvements. New in v3.2.0: * New instrument: Time & Frequency Analyzer. Measure intervals between configurable start and stop events with sub-ns precision, compute histograms of interval duration losslessly and in real-time, and save high-resolution event timestamps to a file. * Apple Vision Pro support, including separate windows for each instrument in Multi-Instrument. * Moku:Pro Spectrum Analyzer can now compute cross-correlation between two channels. * Moku:Pro peak noise floor reduced from 120 nV/√Hz to 75 nV/√Hz between 1 kHz and 1 MHz. * Moku front-panel LEDs can now be turned off. * Oscilloscope input voltage range can now be set manually. * Minor bug fixes, performance enhancements and interface improvements.

New in this release: * Minor bug fixes, performance enhancements and interface improvements. New in v3.2.0: * New instrument: Time & Frequency Analyzer. Measure intervals between configurable start and stop events with sub-ns precision, compute histograms of interval duration losslessly and in real-time, and save high-resolution event timestamps to a file. * Apple Vision Pro support, including separate windows for each instrument in Multi-Instrument. * Moku:Pro Spectrum Analyzer can now compute cross-correlation between two channels. * Moku:Pro peak noise floor reduced from 120 nV/√Hz to 75 nV/√Hz between 1 kHz and 1 MHz. * Moku front-panel LEDs can now be turned off. * Oscilloscope input voltage range can now be set manually. * Minor bug fixes, performance enhancements and interface improvements.

* New instrument: Time & Frequency Analyzer. Measure intervals between configurable start and stop events with sub-ns precision, compute histograms of interval duration losslessly and in real-time, and save high-resolution event timestamps to a file. * Apple Vision Pro support, including separate windows for each instrument in Multi-Instrument. * Moku:Pro Spectrum Analyzer can now compute cross-correlation between two channels. * Moku:Pro peak noise floor reduced from 120 nV/√Hz to 75 nV/√Hz between 1 kHz and 1 MHz. * Moku front-panel LEDs can now be turned off. * Oscilloscope input voltage range can now be set manually. * Minor bug fixes, performance enhancements and interface improvements.

New in v3.1.2: * Data saving now uses the standard iPadOS activity view, including new built-in destinations like AirDrop. Install third-party apps that provide share extensions to enable uploading to cloud storage, sharing via instant messaging, and more. * Improved performance and stability. New in v3.1.1: * Moku:Go devices are now supported. * Data Logger can now be started by a trigger.

* Moku:Go devices are now supported. * Data Logger can now be started by a trigger. * AWG now has three channels in multi-instrument mode on Moku:Pro. * Laser Lock Box now has three outputs in multi-instrument mode on Moku:Pro. * Data Logger duration can now be set with millisecond precision. * Improved performance and stability.

* Oscilloscope now has two waveform generators (up from one) in multi-instrument mode on Moku:Lab. * PID Controller now has output voltage limiters. * Cloud Compile bitstreams can now be uploaded or reloaded directly from the app. * Laser Lock Box now has input gain in multi-instrument mode. * Optimizations to ADC blending algorithms on Moku:Pro. * Improved support for long data logging sessions and deep memory acquisitions. * Improved fan speed control on Moku:Pro. * Improved performance and stability.

New in v3.0.1: * Performance and stability improvements. New in v3.0.0: * The Moku: app now supports Moku:Lab devices. * Moku:Lab devices can now run latest firmware, bringing major new features: * Multi-Instrument Mode: Run two instruments at the same time. * Moku Cloud Compile: Create custom instruments in VHDL and run them in Multi-Instrument Mode. * And much, much more. For a detailed look at all the new features and improvements, and important information about compatibility, please see https://www.liquidinstruments.com/moku-lab-update-3-0. * Increased maximum frequency in the Frequency Response Analyzer on Moku:Pro. * Spectrum Analyzer now does automatic real-time averaging at up to 4k spectra/second. * PID Controller in the Lock-In Amplifier in Multi-Instrument Mode on Moku:Pro.

* The Moku: app now supports Moku:Lab devices. * Moku:Lab devices can now run latest firmware, bringing major new features: * Multi-Instrument Mode: Run two instruments at the same time. * Moku Cloud Compile: Create custom instruments in VHDL and run them in Multi-Instrument Mode. * And much, much more. For a detailed look at all the new features and improvements, and important information about compatibility, please see https://www.liquidinstruments.com/moku-lab-update-3-0. * Increased maximum frequency in the Frequency Response Analyzer on Moku:Pro. * Spectrum Analyzer now does automatic real-time averaging at up to 4k spectra/second. * PID Controller in the Lock-In Amplifier in Multi-Instrument Mode on Moku:Pro.

This update includes some minor bug fixes and interface improvements and is recommended for all users. What's new in version 2.6.0: This update brings a new instrument to the Moku:Pro, plus new features and improvements in several existing instruments: New instrument: FIR Filter Builder - Create finite-impulse-response (FIR) filters at up to 40 MSa/s with arbitrary impulse response. Laser Lock Box - New-look block diagram shows scan and modulation signal paths - New locking stages feature allows customizing lock procedure - Lock Assist makes it easy to lock to a zero crossing of the error signal with a customized lock procedure Waveform Generator - Noise output - Pulse width modulation (PWM) Frequency Response Analyzer - Input saturation warnings - New Dynamic Amplitude feature optimizes output signal automatically for best measurement dynamic range Spectrum Analyzer - Logarithmic Vrms and Vpp scale Phasemeter - Output signals can now have DC offset added Minor bug fixes, performance enhancements and interface improvements The included firmware update also adds API support for data streaming using Python, MATLAB or LabVIEW.

This update brings a new instrument to the Moku:Pro, plus new features and improvements in several existing instruments: New instrument: FIR Filter Builder - Create finite-impulse-response (FIR) filters at up to 40 MSa/s with arbitrary impulse response. Laser Lock Box - New-look block diagram shows scan and modulation signal paths - New locking stages feature allows customizing lock procedure - Lock Assist makes it easy to lock to a zero crossing of the error signal with a customized lock procedure Waveform Generator - Noise output - Pulse width modulation (PWM) Frequency Response Analyzer - Input saturation warnings - New Dynamic Amplitude feature optimizes output signal automatically for best measurement dynamic range Spectrum Analyzer - Logarithmic Vrms and Vpp scale Phasemeter - Output signals can now have DC offset added Minor bug fixes, performance enhancements and interface improvements The included firmware update also adds API support for data streaming using Python, MATLAB or LabVIEW.

New in version 2.5.1: - Moku Cloud Compile instruments now support up to 4 outputs - Minor bug fixes and improvements New in version 2.5.0: This update brings new features and improvements in several instruments, including: Phasemeter - The current frequency offset and amplitude can now be output as analog voltage signals - The phase-locked sine wave output can now be frequency multiplied up to 250x or divided down to 1/8x Lock-In Amplifier and Laser Lock Box - The external PLL signal can now be frequency multiplied up to 250x or divided down to 1/8x for use in demodulation - The minimum PLL frequency has been decreased to 10 Hz - The PLL can now auto-acquire frequencies below 1 MHz (minimum 10 Hz) - PLL locking performance has been improved for small signals and signals with a large DC offset Frequency Response Analyzer - The math channel now supports arbitrary complex-valued equations involving the channel signals, enabling new types of complex transfer function measurements - Input signals can now be measured in dBVpp and dBVrms in addition to dBm - The progress of the sweep is now displayed on the graph - The frequency axis can now be locked to prevent accidental changes during a long sweep General - Added support for the sinc function to the equation editor which can be used to generate custom waveforms in the Arbitrary Waveform Generator - The number of control registers in Moku Cloud Compile instruments has been increased to 16 - Analog input/output settings are now included when saving and loading multi-instrument configurations - Minor bug fixes, performance enhancements and interface improvements The included firmware update also includes API support for multi-instrument mode using Python, MATLAB or LabVIEW.

This update brings new features and improvements in several instruments, including: Phasemeter - The current frequency offset and amplitude can now be output as analog voltage signals - The phase-locked sine wave output can now be frequency multiplied up to 250x or divided down to 1/8x Lock-In Amplifier and Laser Lock Box - The external PLL signal can now be frequency multiplied up to 250x or divided down to 1/8x for use in demodulation - The minimum PLL frequency has been decreased to 10 Hz - The PLL can now auto-acquire frequencies below 1 MHz (minimum 10 Hz) - PLL locking performance has been improved for small signals and signals with a large DC offset Frequency Response Analyzer - The math channel now supports arbitrary complex-valued equations involving the channel signals, enabling new types of complex transfer function measurements - Input signals can now be measured in dBVpp and dBVrms in addition to dBm - The progress of the sweep is now displayed on the graph - The frequency axis can now be locked to prevent accidental changes during a long sweep General - The equation editor which can be used to generate custom waveforms in the Arbitrary Waveform Generator now includes support for the sinc function - The number of control registers in Moku Cloud Compile instruments has been increased to 16 - Analog input/output settings are now included when saving and loading multi-instrument configurations - Minor bug fixes, performance enhancements and interface improvements The included firmware update also includes API support for multi-instrument mode using Python, MATLAB or LabVIEW.

• Minor bug fixes and improvements New in version 2.4.0: • Frequency Response Analyzer now supports up to 8192 points • New In/In1 measurement mode in Frequency Response Analyzer • Improved Phasemeter bandwidth (1 Hz – 1 MHz) • Improved performance of low-frequency PLL locking in Lock-In Amplifier and Laser Lock Box • Five new window functions in Spectrum Analyzer (Bartlett, Hamming, Nuttall, Gaussian, Kaiser) • Oscilloscope and Data Logger now include two waveform generator channels in multi-instrument mode • New auto-commit feature in Moku Cloud Compile • Empty Multi-Instrument configurations can now be deployed to the device • Unusable inputs/outputs are no longer shown on slots in Multi-Instrument mode • Slot number is now visible in main menu when using Multi-Instrument mode • Fixed an issue where instrument settings could be reset to default in Multi-Instrument mode • Improved logarithmic axis tick placement • Fixed conditional trigger switch not showing in Laser Lock Box settings drawer • Fixed input/output gain could not be adjusted by less than 1 dB in Digital Filter Box • Fixed floating drawer sections not displaying correctly • Minor bugfixes, performance enhancements and interface improvements

• Minor bug fixes and improvements New in version 2.4.0: • Frequency Response Analyzer now supports up to 8192 points • New In/In1 measurement mode in Frequency Response Analyzer • Improved Phasemeter bandwidth (1 Hz – 1 MHz) • Improved performance of low-frequency PLL locking in Lock-In Amplifier and Laser Lock Box • Five new window functions in Spectrum Analyzer (Bartlett, Hamming, Nuttall, Gaussian, Kaiser) • Oscilloscope and Data Logger now include two waveform generator channels in multi-instrument mode • New auto-commit feature in Moku Cloud Compile • Empty Multi-Instrument configurations can now be deployed to the device • Unusable inputs/outputs are no longer shown on slots in Multi-Instrument mode • Slot number is now visible in main menu when using Multi-Instrument mode • Fixed an issue where instrument settings could be reset to default in Multi-Instrument mode • Improved logarithmic axis tick placement • Fixed conditional trigger switch not showing in Laser Lock Box settings drawer • Fixed input/output gain could not be adjusted by less than 1 dB in Digital Filter Box • Fixed floating drawer sections not displaying correctly • Minor bugfixes, performance enhancements and interface improvements The included firmware update also brings improvements to the Moku's built-in web interface, including: • View and update instrument entitlements • Edit device settings • An OpenAPI specification

New in version 2.4.0: • Frequency Response Analyzer now supports up to 8192 points • New In/In1 measurement mode in Frequency Response Analyzer • Improved Phasemeter bandwidth (1 Hz – 1 MHz) • Improved performance of low-frequency PLL locking in Lock-In Amplifier and Laser Lock Box • Five new window functions in Spectrum Analyzer (Bartlett, Hamming, Nuttall, Gaussian, Kaiser) • Oscilloscope and Data Logger now include two waveform generator channels in multi-instrument mode • New auto-commit feature in Moku Cloud Compile • Empty Multi-Instrument configurations can now be deployed to the device • Unusable inputs/outputs are no longer shown on slots in Multi-Instrument mode • Slot number is now visible in main menu when using Multi-Instrument mode • Fixed an issue where instrument settings could be reset to default in Multi-Instrument mode • Improved logarithmic axis tick placement • Fixed conditional trigger switch not showing in Laser Lock Box settings drawer • Fixed input/output gain could not be adjusted by less than 1 dB in Digital Filter Box • Fixed floating drawer sections not displaying correctly • Minor bugfixes, performance enhancements and interface improvements The included firmware update also brings improvements to the Moku's built-in web interface, including: • View and update instrument entitlements • Edit device settings • An OpenAPI specification

New in version 2.3.2: - Minor bugfixes and improvements New in version 2.3.0: NEW INSTRUMENT – Laser Lock Box: stabilize a laser's frequency to a reference cavity or atomic transition using high-performance modulation locking techniques. - Multi-instrument improvements: --- Slot sync: synchronize the phase of internal oscillators and waveforms across instruments --- Use drag-and-drop to connect signals to instrument slots --- The most recent configuration is now saved and loaded automatically --- Instruments can now be removed from a slot - Full memory depth data can now be exported in the Oscilloscope - Improved signal integrity in Spectrum Analyzer - Phase values in the Waveform Generator, Arbitrary Waveform Generator, Phasemeter and Lock-In Amplifier can now be edited with 6 decimal places of precision - Minor bugfixes, performance enhancements and interface improvements

New in version 2.3.1: - Minor bugfixes and improvements New in version 2.3.0: NEW INSTRUMENT – Laser Lock Box: stabilize a laser's frequency to a reference cavity or atomic transition using high-performance modulation locking techniques. - Multi-instrument improvements: --- Slot sync: synchronize the phase of internal oscillators and waveforms across instruments --- Use drag-and-drop to connect signals to instrument slots --- The most recent configuration is now saved and loaded automatically --- Instruments can now be removed from a slot - Full memory depth data can now be exported in the Oscilloscope - Improved signal integrity in Spectrum Analyzer - Phase values in the Waveform Generator, Arbitrary Waveform Generator, Phasemeter and Lock-In Amplifier can now be edited with 6 decimal places of precision - Minor bugfixes, performance enhancements and interface improvements