# Examples for MATLAB
# Arbitrary Waveform Generator
# arbitrary_waveform_generator_basic.m
%% Arbitrary Waveform Generator Example
%
% This example demonstrates how you can configure the Arbitrary Waveform
% Generator instrument to generate two signals.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%
%% Prepare the waveforms
% Prepare the square waveform to be generated
t = linspace(0,1,100);
square_wave = sign(sin(2*pi*t));
% Prepare a more interesting waveform to be generated (note that the points
% must be normalized to range [-1,1])
not_square_wave = zeros(1,length(t));
for h=1:2:15
not_square_wave = not_square_wave + (4/pi*h)*cos(2*pi*h*t);
end
not_square_wave = not_square_wave / max(not_square_wave);
%% Connect to your Moku
% Connect to your Moku by its IP address.
i = MokuArbitraryWaveformGenerator('192.168.###.###');
try
% Configure the output waveform in each channel
% Channel 1: sampling rate of 125 MSa/s, square wave, 1MHz, 2Vpp.
i.generate_waveform(1, "625Ms", square_wave, 1e6, 2);
% Channel 2: automatic sampling rate, use the "not_square_wave" LUT, 10
% kHz, 1Vpp.
i.generate_waveform(2, "Auto", not_square_wave, 10e3, 1,...
'interpolation', true);
%% Set channel 1 to pulse mode
% 2 dead cycles at 0Vpp
i.pulse_modulate(1,'dead_cycles',2,'dead_voltage',0);
%% Set Channel 2 to burst mode
% Burst mode triggering from Input 1 at 0.1 V
% 3 cycles of the waveform will be generated every time it is triggered
i.burst_modulate(2, "Input1", "NCycle",'burst_cycles',3,'trigger_level',0.1);
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME);
end
i.relinquish_ownership();
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# Data Logger
# datalogger_basic.m
%% Basic Datalogger Example
%
% This example demonstrates how you can configure the Datalogger instrument.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku and deploy the oscilloscope instrument
i = MokuDatalogger('192.168.###.###');
try
% Enable precision mode
i.set_acquisition_mode('mode','Precision');
% Set the sample rate to 1 kSa/s
i.set_samplerate(1e3);
% Generate a sine wave on Channel 1
% 1Vpp, 10kHz, 0V offset
i.generate_waveform(1, 'Sine', 'amplitude',1, 'frequency',10e3);
% Generate a square wave on Channel 2
% 1Vpp, 10kHz, 0V offset, 50% duty cycle
i.generate_waveform(2, 'Square', 'amplitude',1, 'frequency', 1e3, 'duty', 50);
% Start the data logging session of 10 second and store the file on the RAM
logging_request = i.start_logging('duration',10);
log_file = logging_request.file_name;
% Set up to display the logging process
progress = i.logging_progress();
while progress.time_to_end > 1
fprintf('%d seconds remaining \n',progress.time_to_end)
pause(1);
progress = i.logging_progress();
end
% Download the log file from the Moku to "Users" folder
% Moku:Go should be downloaded from "persist" and Moku:Pro from "ssd"
i.download_file('persist',log_file,['C:\Users\' log_file]);
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
% End the current connection session with your Moku
i.relinquish_ownership();1
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# Data Streaming
# datalogger_streaming.m
%% Datalogger streaming Example
%
% This example demonstrates how you can configure the Datalogger instrument,
% and view triggered time-voltage data stream in real-time.
%
% (c) 2022 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku by its IP address.
i = MokuDatalogger('192.168.###.###');
try
% Generate a sine wave on Output 1
% 0.5Vpp, 10kHz, 0V offset
i.generate_waveform(1, 'Sine', 'amplitude', 0.5, 'frequency', 10e3);
% Generate a square wave on Output 2
% 1Vpp, 20kHz, 0V offset, 50% duty cycle
i.generate_waveform(2, 'Square', 'amplitude', 1, 'frequency', 20e3, 'duty', 50);
i.start_streaming('duration', 30);
%% Set up plots
% Get initial data to set up plots
data = i.get_stream_data();
% Set up the plots
figure
lh = plot(data.time, data.ch1, data.time, data.ch2);
xlabel(gca,'Time (sec)')
ylabel(gca,'Amplitude (V)')
%% Receive and plot new data frames
while 1
data = i.get_stream_data();
set(lh(1),'XData',data.time,'YData',data.ch1);
set(lh(2),'XData',data.time,'YData',data.ch2);
axis tight
pause(0.1)
end
catch ME
i.stop_streaming();
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
i.relinquish_ownership();
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# lock_in_amplifier_streaming.m
%% Plotting Lock-in Amplifier Example
%
% This example demonstrates how you can configure the Lock-in Amplifier
% instrument to demodulate an input signal from Input 1 with the reference
% signal from the Local Oscillator to extract the X component and generate
% a sine wave on the auxiliary output
%
% (c) 2022 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku by its IP address and deploy the Lock-in Amplifier
% instrument.
i = MokuLockInAmp('192.168.###.###');
try
%% Configure the instrument
% Configure the frontend
% Channel 1 DC coupled, 1 Mohm impedance, and 400 mVpp range
i.set_frontend(1, 'DC', '1MOhm','0dB');
% Channel 2 DC coupled, 1 Mohm impedance, and 4 Vpp range
i.set_frontend(2, 'DC', '1MOhm','0dB');
% Configure the demodulation signal to Local oscillator with 1 MHz and
% 0 degrees phase shift
i.set_demodulation('Internal','frequency',1e6,'phase',0);
% Set low pass filter to 1 kHz corner frequency with 6 dB/octave slope
i.set_filter(1e3,'slope','Slope6dB');
% Configure output signals
% X component to Output 1
% Aux oscillator signal to Output 2 at 1 MHz 500 mVpp
i.set_outputs('X','Aux');
i.set_aux_output(1e6,0.5);
%% Set up signal monitoring
% Configure monitor points to Input 1 and main output
i.set_monitor(1,'Input1');
i.set_monitor(2,'MainOutput');
% Configure the trigger conditions
% Trigger on Probe A, rising edge, 0V
i.set_trigger('type','Edge', 'source','ProbeA', 'level',0);
% View +- 1 ms i.e. trigger in the centre
i.set_timebase(-1e-3,1e-3);
i.start_streaming('duration', 10);
%% Set up plots
% Get initial data to set up plots
data = i.get_stream_data();
% Set up the plots
figure
lh = plot(data.time, data.ch1, data.time, data.ch2);
xlabel(gca,'Time (sec)')
ylabel(gca,'Amplitude (V)')
%% Receive and plot new data frames
while 1
data = i.get_stream_data();
set(lh(1),'XData',data.time,'YData',data.ch1);
set(lh(2),'XData',data.time,'YData',data.ch2);
axis tight
pause(0.1)
end
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
i.relinquish_ownership();
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# Frequency Response Analyzer
# frequency_response_analyzer_basic.m
%% Basic Frequency Response Analyzer Example
%
% This example demonstrates how you can generate output sweeps using the
% Frequency Response Analyzer instrument and retrieve a single sweep frame.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Define sweep parameters here for readability
f_start = 20e6; % Hz
f_stop= 100; % Hz
points = 512;
averaging_time = 1e-6; % sec
settling_time = 1e-6; % sec
averaging_cycles = 1;
settling_cycles = 1;
%% Connect to Moku
% Connect to your Moku using its IP address.
i = MokuFrequencyResponseAnalyzer('192.168.###.###');
try
%% Configure the instrument
% Set output sweep amplitudes and offsets
i.set_output(1, 1,'offset',0); % Channel 1, 1Vpp, 0V offset
i.set_output(2, 1,'offset',0); % Channel 2, 1Vpp, 0V offset
% Configure measurement mode to In/Out
i.measurement_mode('mode','InOut');
% Set sweep configuration
i.set_sweep('start_frequency',f_start,'stop_frequency',f_stop, 'num_points',points, ...
'averaging_time',averaging_time, 'averaging_cycles',averaging_cycles, ...
'settling_time', settling_time, 'settling_cycles',settling_cycles);
%% Get data from Moku
% Get a single sweep frame from the Moku
data = i.get_data();
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME);
end
% End the current connection session with your Moku
i.relinquish_ownership();
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# frequency_response_analyzer_plotting.m
%% Plotting Frequency Response Analyzer Example
%
% This example demonstrates how you can generate output sweeps using the
% Frequency Response Analyzer instrument, and view transfer function data
% in real-time.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Define sweep parameters here for readability
f_start = 20e6; % Hz
f_stop= 100; % Hz
points = 512;
averaging_time = 1e-6; % sec
settling_time = 1e-6; % sec
averaging_cycles = 1;
settling_cycles = 1;
%% Connect to the Moku
% Connect to your Moku by its IP address.
i = MokuFrequencyResponseAnalyzer('192.168.###.###');
try
%% Configure the instrument
% Set output sweep amplitudes and offsets
i.set_output(1, 1,'offset',0); % Channel 1, 1Vpp, 0V offset
i.set_output(2, 1,'offset',0); % Channel 2, 1Vpp, 0V offset
% Configure the measurement mode to In/Out
i.measurement_mode('mode','InOut');
% Set output sweep configuration
i.set_sweep('start_frequency',f_start,'stop_frequency',f_stop, 'num_points',points, ...
'averaging_time',averaging_time, 'averaging_cycles',averaging_cycles, ...
'settling_time', settling_time, 'settling_cycles',settling_cycles);
%% Set up plots
% Get initial data to set up plots
data = i.get_data();
% Set up the plots
figure;
magnitude_graph = subplot(2,1,1);
ms = semilogx(magnitude_graph, data.ch1.frequency,data.ch1.magnitude, data.ch2.frequency, data.ch2.magnitude);
xlabel(magnitude_graph,'Frequency (Hz)');
ylabel(magnitude_graph,'Magnitude (dB)');
set(gca, 'XScale', 'log')
phase_graph = subplot(2,1,2);
ps = semilogx(phase_graph, data.ch1.frequency,data.ch1.phase, data.ch2.frequency, data.ch2.phase);
xlabel(phase_graph,'Frequency (Hz)');
ylabel(phase_graph,'Phase (cyc)');
set(gca, 'XScale', 'log')
%% Receive and plot new data frames
while 1
data = i.get_data();
set(ms(1),'XData',data.ch1.frequency,'YData',data.ch1.magnitude);
set(ms(2),'XData',data.ch2.frequency,'YData',data.ch2.magnitude);
set(ps(1),'XData',data.ch1.frequency,'YData',data.ch1.phase);
set(ps(2),'XData',data.ch2.frequency,'YData',data.ch2.phase);
axis(magnitude_graph,'tight');
axis(phase_graph,'tight');
pause(0.1);
end
catch ME
i.relinquish_ownership();
rethrow(ME)
end
i.relinquish_ownership();
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# Laser Lock Box
# laser_lock_box_basic.m
%% Basic Laser Lock Box Example
%
% This example demonstrates how you can configure the Laser Lock Box
% Instrument.
%
% (c) 2022 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku by its IP address and deploy the Laser Lock Box
% instrument.
i = MokuLaserLockBox('192.168.###.###');
try
%% Configure the instrument
% Configure the frontend
% Channel 1 DC coupled, 1 Mohm impedance, and 400 mVpp range
i.set_frontend(1, 'DC', '1MOhm','0dB');
% Channel 2 DC coupled, 1 Mohm impedance, and 4 Vpp range
i.set_frontend(2, 'DC', '1MOhm','-20dB');
% Configure the scan oscillator to a 10 Hz 500 mVpp positive ramp
% signal from Output 1
i.set_scan_oscillator('enable',true,'shape','PositiveRamp', ...
'frequency',10,'amplitude',0.5,'output','Output1');
% Configure demodulation signal to Local Oscillator at 1 MHz and no
% phase shift
i.set_demodulation('Internal','frequency',1e6,'phase',0);
% Set low pass filter to 100 kHz corner frequency with 6 dB/octave slope
i.set_filter('shape','Lowpass','low_corner',100e3,'order',4);
% Set the fast PID controller to -10 dB proportional gain and
% intergrator crossover frequency at 3 kHz
i.set_pid_by_frequency(1,-10,'int_crossover',3e3);
% Set the slow PID controller to -10 dB proportional gain and
% intergrator crossover frequency at 50 Hz
i.set_pid_by_frequency(2,-10,'int_crossover',50);
% Enable the output channels
i.set_output(1,true,true);
i.set_output(2,true,true);
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
i.relinquish_ownership();
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# laser_lock_box_plotting.m
%% Plotting Laser Lock Box Example
%
% This example demonstrates how you can configure the Laser Lock Box
% Instrument and monitor the signals at Input 1 and Input 2.
%
% (c) 2022 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku by its IP address and deploy the Laser Lock Box
% instrument.
i = MokuLaserLockBox('192.168.###.###');
try
%% Configure the instrument
% Configure the frontend
% Channel 1 DC coupled, 1 Mohm impedance, and 400 mVpp range
i.set_frontend(1, 'DC', '1MOhm','0dB');
% Channel 2 DC coupled, 1 Mohm impedance, and 4 Vpp range
i.set_frontend(2, 'DC', '1MOhm','-20dB');
% Configure the scan oscillator to a 10 Hz 500 mVpp positive ramp
% signal from Output 1
i.set_scan_oscillator('enable',true,'shape','PositiveRamp', ...
'frequency',10,'amplitude',0.5,'output','Output1');
% Configure demodulation signal to Local Oscillator at 1 MHz and no
% phase shift
i.set_demodulation('Internal','frequency',1e6,'phase',0);
% Configure a 4th order low pass filter with 100 kHz corner frequency
i.set_filter('shape','Lowpass','low_corner',100e3,'order',4);
% Set the fast PID controller to -10 dB proportional gain and
% intergrator crossover frequency at 3 kHz
i.set_pid_by_frequency(1,-10,'int_crossover',3e3);
% Set the slow PID controller to -10 dB proportional gain and
% intergrator crossover frequency at 50 Hz
i.set_pid_by_frequency(2,-10,'int_crossover',50);
% Enable the output channels
i.set_output(1,true,true);
i.set_output(2,true,true);
%% Set up signal monitoring
% Configure monitor points to Input 1 and Input 2
i.set_monitor(1,'Input1');
i.set_monitor(2,'Input2');
% Configure the trigger conditions
% Trigger on Probe A, rising edge, 0V
i.set_trigger('type','Edge', 'source','ProbeA', 'level',0);
% View +- 1 ms i.e. trigger in the centre
i.set_timebase(-1e-3,1e-3);
%% Set up plots
% Get initial data to set up plots
data = i.get_data();
% Set up the plots
figure
lh = plot(data.time, data.ch1, data.time, data.ch2);
xlabel(gca,'Time (sec)')
ylabel(gca,'Amplitude (V)')
%% Receive and plot new data frames
while 1
data = i.get_data();
set(lh(1),'XData',data.time,'YData',data.ch1);
set(lh(2),'XData',data.time,'YData',data.ch2);
axis tight
pause(0.1)
end
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
i.relinquish_ownership();
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# Lock-in Amplifier
# lock_in_amplifier_basic.m
%% Basic Lock-in Amplifier Example
%
% This example demonstrates how you can configure the Lock-in Amplifier
% instrument to demodulate an input signal from Input 1 with the reference
% signal from the Local Oscillator to extract the X component and generate
% a sine wave on the auxiliary output
%
% (c) 2022 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku by its IP address and deploy the Lock-in Amplifier
% instrument.
i = MokuLockInAmp('192.168.###.###');
try
%% Configure the instrument
% Configure the frontend
% Channel 1 DC coupled, 1 Mohm impedance, and 400 mVpp range
i.set_frontend(1, 'DC', '1MOhm','0dB');
% Channel 2 DC coupled, 1 Mohm impedance, and 4 Vpp range
i.set_frontend(2, 'DC', '1MOhm','-20dB');
% Configure the demodulation signal to Local oscillator with 1 MHz and
% 0 degrees phase shift
i.set_demodulation('Internal','frequency',1e6,'phase',0);
% Set low pass filter to 1 kHz corner frequency with 6 dB/octave slope
i.set_filter(1e3,'slope','Slope6dB');
% Configure output signals
% X component to Output 1
% Aux oscillator signal to Output 2 at 1 MHz 500 mVpp
i.set_outputs('X','Aux');
i.set_aux_output(1e6,0.5);
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
i.relinquish_ownership();
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# lock_in_amplifier_plotting.m
%% Plotting Lock-in Amplifier Example
%
% This example demonstrates how you can configure the Lock-in Amplifier
% instrument to demodulate an input signal from Input 1 with the reference
% signal from the Local Oscillator to extract the X component and generate
% a sine wave on the auxiliary output
%
% (c) 2022 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku by its IP address and deploy the Lock-in Amplifier
% instrument.
i = MokuLockInAmp('192.168.###.###');
try
%% Configure the instrument
% Configure the frontend
% Channel 1 DC coupled, 1 Mohm impedance, and 400 mVpp range
i.set_frontend(1, 'DC', '1MOhm','0dB');
% Channel 2 DC coupled, 1 Mohm impedance, and 4 Vpp range
i.set_frontend(2, 'DC', '1MOhm','-20dB');
% Configure the demodulation signal to Local oscillator with 1 MHz and
% 0 degrees phase shift
i.set_demodulation('Internal','frequency',1e6,'phase',0);
% Set low pass filter to 1 kHz corner frequency with 6 dB/octave slope
i.set_filter(1e3,'slope','Slope6dB');
% Configure output signals
% X component to Output 1
% Aux oscillator signal to Output 2 at 1 MHz 500 mVpp
i.set_outputs('X','Aux');
i.set_aux_output(1e6,0.5);
%% Set up signal monitoring
% Configure monitor points to Input 1 and main output
i.set_monitor(1,'Input1');
i.set_monitor(2,'MainOutput');
% Configure the trigger conditions
% Trigger on Probe A, rising edge, 0V
i.set_trigger('type','Edge', 'source','ProbeA', 'level',0);
% View +- 1 ms i.e. trigger in the centre
i.set_timebase(-1e-3,1e-3);
%% Set up plots
% Get initial data to set up plots
data = i.get_data();
% Set up the plots
figure
lh = plot(data.time, data.ch1, data.time, data.ch2);
xlabel(gca,'Time (sec)')
ylabel(gca,'Amplitude (V)')
%% Receive and plot new data frames
while 1
data = i.get_data();
set(lh(1),'XData',data.time,'YData',data.ch1);
set(lh(2),'XData',data.time,'YData',data.ch2);
axis tight
pause(0.1)
end
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
i.relinquish_ownership();
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# Logic Analyzer
# logicanalyzer_basic.m
%% Basic LogicAnalyzer Example
%
% This example demonstrates how you can configure the LogicAnalyzer instrument.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku and deploy the Logic Analyzer instrument
i = MokuLogicAnalyzer('192.168.###.###');
try
patterns = [struct('pin', 1, 'pattern', repmat([1],1,1024)), ...
struct('pin', 2, 'pattern', repmat([0],1,1024)), ...
struct('pin', 3, 'pattern', repmat([1 0],1,512)), ...
struct('pin', 4, 'pattern', repmat([0 1],1,512))];
i.set_pattern_generator(1, patterns, 'divider', 8);
pin_status = [struct('pin', 1, 'state', 'PG1'),...
struct('pin', 2, 'state', 'PG1'),...
struct('pin', 3, 'state', 'PG1'),...
struct('pin', 4, 'state', 'PG1')];
i.set_pins(pin_status);
data = i.get_data('wait_reacquire', true, 'include_pins', [1, 2, 3, 4]);
tiledlayout(4,1)
ax1 = nexttile;
p1 = stairs(data.time, data.pin1, 'Color','r');
ax2 = nexttile;
p2 = stairs(data.time, data.pin2, 'Color','r');
ax3 = nexttile;
p3 = stairs(data.time, data.pin3, 'Color','r');
ax4 = nexttile;
p4 = stairs(data.time, data.pin4, 'Color','r');
linkaxes([ax1 ax2 ax3 ax4],'xy');
%% Receive and plot new data frames
while 1
data = i.get_data();
set(p1,'XData',data.time,'YData',data.pin1);
set(p2,'XData',data.time,'YData',data.pin2);
set(p3,'XData',data.time,'YData',data.pin3);
set(p4,'XData',data.time,'YData',data.pin4);
axis tight
pause(0.1)
end
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
% End the current connection session with your Moku
i.relinquish_ownership();1
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# Multi-instrument Mode
# mim_wg_osc.m
Multi-instrument Mode on Moku:Go (two-slot), deploying the Waveform Generator and Oscilloscope at once. This example is easily ported to Moku:Pro by changing the "platform_id" to one supported by that hardware.
%% Multi-instrument WaveformGenerator-Oscilloscope Example
%
% This example demonstrates how you can configure the multi instrument mode
% with Waveform Generator in slot1 and Oscilloscope in slot2
% and view triggered time-voltage data frames in real-time.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Configure multi-instrument with platofrm_id 2
m = MokuMultiInstrument('192.168.###.###', 2);
try
%% Configure the instruments
% WaveformGenrator in slot1
% Oscilloscope in slot2
wg = m.set_instrument(1, @MokuWaveformGenerator);
osc = m.set_instrument(2, @MokuOscilloscope);
% configure routing
connections = [struct('source', 'Input1', 'destination', 'Slot1InA');
struct('source', 'Slot1OutA', 'destination', 'Slot2InA');
struct('source', 'Slot1OutA', 'destination', 'Slot2InB');
struct('source', 'Slot2OutA', 'destination', 'Output1')];
m.set_connections(connections);
% configure frontend
m.set_frontend(1, "1MOhm", "DC", "0dB");
%% Configure waveform generator
% generate waveform
wg.generate_waveform(1, "Sine");
% set the timebase
osc.set_timebase(-5e-3, 5e-3);
%% Set up plots
% Get initial data to set up plots
data = osc.get_data();
% Set up the plots
figure
lh = plot(data.time, data.ch1, data.time, data.ch2);
xlabel(gca, 'Time (sec)')
ylabel(gca, 'Amplitude (V)')
%% Receive and plot new data frames
while 1
data = osc.get_data();
set(lh(1), 'XData', data.time, 'YData', data.ch1);
set(lh(2), 'XData', data.time, 'YData', data.ch2);
axis tight
pause(0.1)
end
catch ME
% End the current connection session with your Moku
m.relinquish_ownership();
rethrow(ME)
end
m.relinquish_ownership();
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# mim_wg_sa.m
Multi-instrumemt Mode on Moku:Go (two slot), deploying the Waveform Generator and Spectrum Analyzer at once. This example is easily ported to Moku:Pro by changing the "platform_id" to one supported by that hardware.
%% Multi-instrument WaveformGenerator-SpectrumAnalyzer Example
%
% This example demonstrates how you can configure the multi instrument mode
% with Waveform Generator in slot1 and SpectrumAnalyzer in slot2
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Configure multi-instrument with platofrm_id 2
m = MokuMultiInstrument('192.168.###.###', 2);
try
%% Configure the instruments
% WaveformGenrator in slot1
% SpectrumAnalyzer in slot2
wg = m.set_instrument(1, @MokuWaveformGenerator);
sa = m.set_instrument(2, @MokuSpectrumAnalyzer);
% configure routing
connections = [struct('source', 'Input1', 'destination', 'Slot1InA');
struct('source', 'Slot1OutA', 'destination', 'Slot2InA')];
m.set_connections(connections);
% configure frontend
m.set_frontend(1, "1MOhm", "DC", "0dB");
%% Configure waveform generator
% generate waveform
wg.generate_waveform(1, 'Sine', 'frequency', 10e5);
% set the span
sa.set_span(0, 10e5);
% set rbw mode
sa.set_rbw('Auto');
%% Retrieve data
% Get one frame of spectrum data
data = sa.get_data();
% Set up the plots
figure
lh = plot(data.frequency, data.ch1);
xlabel(gca, 'Frequency (Hz)')
ylabel(gca, 'Amplitude (dBm)')
%% Receive and plot new data frames
while 1
data = sa.get_data();
set(lh(1), 'XData', data.frequency, 'YData', data.ch1);
axis tight
pause(0.1)
end
catch ME
% End the current connection session with your Moku
m.relinquish_ownership();
rethrow(ME)
end
m.relinquish_ownership();
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# Oscilloscope
# oscilloscope_basic.m
%% Plotting Oscilloscope Example
%
% This example demonstrates how you can configure the Oscilloscope instrument
% to retrieve a single frame of dual-channel voltage data.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku by its IP address.
i = MokuOscilloscope('192.168.###.###');
try
%% Configure the instrument
% Configure the frontend
% Channel 1 DC coupled, 10Vpp range
i.set_frontend(1, '1MOhm', 'DC', '10Vpp');
% Channel 2 DC coupled, 50Vpp range
i.set_frontend(2, '1MOhm', 'DC', '10Vpp');
% Configure the trigger conditions
% Trigger on input Channel 1, rising edge, 0V
i.set_trigger('type',"Edge", 'source',"Input1", 'level',0);
% View +- 1 ms i.e. trigger in the centre
i.set_timebase(-1e-3,1e-3);
% Generate a sine wave on Output 1
% 0.5Vpp, 10kHz, 0V offset
i.generate_waveform(1, 'Sine', 'amplitude',0.5, 'frequency', 10e3);
% Generate a square wave on Output 2
% 1Vpp, 20kHz, 0V offset, 50% duty cycle
i.generate_waveform(2, 'Square', 'amplitude',1, 'frequency',20e3, 'duty', 50);
% Set the data source of Channel 1 to be Input 1
i.set_source(1,'Input1');
% Set the data source of Channel 2 to Input 2
i.set_source(2,'Input2');
%% Retrieve data
% Get one frame of dual-channel voltage data
data = i.get_data();
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
i.relinquish_ownership();
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# oscilloscope_plotting.m
%% Plotting Oscilloscope Example
%
% This example demonstrates how you can configure the Oscilloscope instrument,
% and view triggered time-voltage data frames in real-time.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku by its IP address.
i = MokuOscilloscope('192.168.###.###');
try
%% Configure the instrument
% Configure the frontend
% Channel 1 DC coupled, 10Vpp range
i.set_frontend(1, '1MOhm', 'DC', '10Vpp');
% Channel 2 DC coupled, 50Vpp range
i.set_frontend(2, '1MOhm', 'DC', '10Vpp');
% Configure the trigger conditions
% Trigger on input Channel 1, rising edge, 0V
i.set_trigger('type',"Edge", 'source',"Input1", 'level',0);
% View +- 1 ms i.e. trigger in the centre
i.set_timebase(-1e-3,1e-3);
% Generate a sine wave on Output 1
% 0.5Vpp, 10kHz, 0V offset
i.generate_waveform(1, 'Sine', 'amplitude',0.5, 'frequency', 10e3);
% Generate a square wave on Output 2
% 1Vpp, 20kHz, 0V offset, 50% duty cycle
i.generate_waveform(2, 'Square', 'amplitude',1, 'frequency',20e3, 'duty', 50);
% Set the data source of Channel 1 to be Input 1
i.set_source(1,'Input1');
% Set the data source of Channel 2 to Input 2
i.set_source(2,'Input2');
%% Set up plots
% Get initial data to set up plots
data = i.get_data();
% Set up the plots
figure
lh = plot(data.time, data.ch1, data.time, data.ch2);
xlabel(gca,'Time (sec)')
ylabel(gca,'Amplitude (V)')
%% Receive and plot new data frames
while 1
data = i.get_data();
set(lh(1),'XData',data.time,'YData',data.ch1);
set(lh(2),'XData',data.time,'YData',data.ch2);
axis tight
pause(0.1)
end
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
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# Phasemeter
# phasemeter_basic.m
%% Basic Phasemeter Example
%
% This example demonstrates how you can configure the Phasemeter
% instrument to measure 4 independent signals.
%
% (c) 2022 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku and deploy the Phasemeter instrument
i = MokuPhasemeter('192.168.###.###');
try
% Set frontend of all input channels to 50 Ohm, DC coupled, 4 Vpp
% range
i.set_frontend(1,'50Ohm','DC','4Vpp');
i.set_frontend(2,'50Ohm','DC','4Vpp');
i.set_frontend(1,'50Ohm','DC','4Vpp');
i.set_frontend(2,'50Ohm','DC','4Vpp');
% Configure Output channel 1 to generate sine waves at 1 Vpp, 2 MHz
i.generate_output(1, 'Sine', 'amplitude',1, 'frequency',2e6);
% Configure Output channel 2 to be phase locked to Input 2 signal at an
% amplitude of 0.5 Vpp
i.generate_output(2, 'Sine', 'amplitude',0.5, 'phase_locked',true);
% Configure Output channel 3 and 4 to generate measured phase at a
% scaling of 1 V/cycle and 10 V/cycle respectively
i.generate_output(3, 'Phase','scaling',1);
i.generate_output(4, 'Phase','scaling',10);
% Set the acquisition speed to 596Hz for all channels
i.set_acquisition_speed('596Hz');
% Set all input channels to 2 MHz, bandwidth 100 Hz
i.set_pm_loop(1,'auto_acquire',false,'frequency',2e6,'bandwidth','100Hz');
i.set_pm_loop(2,'auto_acquire',false,'frequency',2e6,'bandwidth','100Hz');
i.set_pm_loop(3,'auto_acquire',false,'frequency',2e6,'bandwidth','100Hz');
i.set_pm_loop(4,'auto_acquire',false,'frequency',2e6,'bandwidth','100Hz');
% Get all the data available from the Moku
data = i.get_data();
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
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# PID Controller
# pidcontroller_basic.m
%% Basic PID Controller Example
%
% This example demonstrates how you can configure the PID Controller instrument.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
% Connect to your Moku and deploy the PID controller instrument
i = MokuPIDController('192.168.###.###');
try
%% Configure the PID controller
% Configure the control matrix
i.set_control_matrix(1,1,0);
i.set_control_matrix(2,0,1);
% Enable all input and output channels
i.enable_input(1,true);
i.enable_input(2,true);
i.enable_output(1,true,true);
i.enable_output(2,true,true);
% Configure controller 1 by gain
i.set_by_gain(1,'prop_gain',10, 'diff_gain',-5,'diff_corner',5e3 );
% Configure controller 2 by frequency
i.set_by_frequency(2, 'prop_gain', -5, 'int_crossover',100, 'int_saturation',10);
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
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# pidcontroller_plotting.m
%% Plotting PID Controller Example
%
% This example demonstrates how you can configure the PID Controller instrument,
% and view triggered time-voltage data frames in real-time.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
% Connect to your Moku and deploy the PID controller instrument
i = MokuPIDController('192.168.###.###');
try
%% Configure the PID controller
% Configure the control matrix
i.set_control_matrix(1,1,0);
i.set_control_matrix(2,0,1);
% Enable all input and output channels
i.enable_input(1,true);
i.enable_input(2,true);
i.enable_output(1,true,true);
i.enable_output(2,true,true);
% Configure controller 1 by gain
i.set_by_gain(1,'prop_gain',10, 'diff_gain',-5,'diff_corner',5e3 );
% Configure controller 2 by frequency
i.set_by_frequency(2, 'prop_gain', -5, 'int_crossover',100, 'int_saturation',10);
% Place 2 monitor points, one at input 1, one at output 1
i.set_monitor(1,'Input1');
i.set_monitor(2,'Output1');
% Configure the timebase to -2 ms and 2 ms
i.set_timebase(-0.002,0.002);
% Configure the trigger
i.set_trigger('type',"Edge", 'source',"ProbeA", 'level',0);
%% Set up plots
% Get initial data to set up plots
data = i.get_data();
% Set up the plots
figure
lh = plot(data.time, data.ch1, data.time, data.ch2);
xlabel(gca,'Time (sec)')
ylabel(gca,'Amplitude (V)')
grid on
grid(gca,'minor')
%% Receive and plot new data frames
while 1
data = i.get_data();
set(lh(1),'XData',data.time,'YData',data.ch1);
set(lh(2),'XData',data.time,'YData',data.ch2);
axis tight
pause(0.1)
end
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
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# Programmable Power Supplies
# powersupply_basic.m
%% PPSU Example
%
% This example will demonstrate how to configure the power supply
% units of the Moku:Go.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
% Connect to your Moku by its IP address.
% An instrument must be deployed to establish the connection with the
% Moku, in this example we will use the Oscilloscope.
i = MokuOscilloscope('192.168.###.###');
try
% Configure Power Supply Unit 1 to 2 V and 0.1 A
i.set_power_supply(1,'enable',true,'voltage',2,'current',0.1);
% Read the current status of Power Supply Unit 1
disp(i.get_power_supply(1));
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
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# Spectrum Analyzer
# spectrumanalyzer_basic.m
%% Basic Spectrum Analyzer Example
%
% This example demonstrates how you can configure the Spectrum Analyzer
% instrument to retrieve a single spectrum data frame over a set frequency
% span.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Connect to the Moku
% Connect to your Moku by its IP address.
i = MokuSpectrumAnalyzer('192.168.###.###');
try
%% Configure the instrument
% Generate a sine wave on Channel 1
% 1Vpp, 1MHz, 0V offset
i.sa_output(1, 1, 1e6);
% Generate a sine wave on Channel 2
% 2Vpp, 50kHz, 0V offset
i.sa_output(2, 2, 50e3);
% Configure the measurement span to from 10Hz to 10MHz
i.set_span(10,10e6);
% Use Blackman Harris window
i.set_window('BlackmanHarris');
% Set resolution bandwidth to automatic
i.set_rbw('Auto');
%% Retrieve data
% Get one frame of spectrum data
data = i.get_data();
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
i.relinquish_ownership();
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# spectrumanalyzer_plotting.m
%% Basic Spectrum Analyzer Example
%
% This example demonstrates how you can configure the Spectrum Analyzer
% instrument to retrieve a single spectrum data frame over a set frequency
% span.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Connect to the Moku
% Connect to your Moku by its IP address.
i = MokuSpectrumAnalyzer('192.168.###.###');
try
%% Configure the instrument
% Generate a sine wave on Channel 1
% 1Vpp, 1MHz, 0V offset
i.sa_output(1, 1, 1e6);
% Generate a sine wave on Channel 2
% 2Vpp, 50kHz, 0V offset
i.sa_output(2, 2, 50e3);
% Configure the measurement span to from 10Hz to 10MHz
i.set_span(10,10e6);
% Use Blackman Harris window
i.set_window('BlackmanHarris');
% Set resolution bandwidth to automatic
i.set_rbw('Auto');
%% Retrieve data
% Get one frame of spectrum data
data = i.get_data();
% Set up the plots
figure
lh = plot(data.frequency, data.ch1, data.frequency, data.ch2);
xlabel(gca,'Frequency (Hz)')
ylabel(gca,'Amplitude (dBm)')
%% Receive and plot new data frames
while 1
data = i.get_data();
set(lh(1),'XData',data.frequency,'YData',data.ch1);
set(lh(2),'XData',data.frequency,'YData',data.ch2);
axis tight
pause(0.1)
end
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
i.relinquish_ownership();
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# Waveform Generator
# waveformgenerator_basic.m
%% Basic Waveform Generator Example
%
% This example demonstrates how you can configure the Waveform Generator
% instrument.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku by its IP address.
i = MokuWaveformGenerator('192.168.###.###');
try
%% Configure the instrument
% Generate a sine wave on Channel 1
% 0.5Vpp, 1MHz, 0V offset
i.generate_waveform(1, 'Sine','amplitude', 0.5, 'frequency',1e6,'offset',0);
% Generate a square wave on Channel 2
% 1Vpp, 10kHz, 0V offset, 50% duty cycle
i.generate_waveform(2, 'Sine', 'amplitude',1,'frequency', 10e3, 'duty', 50);
% Phase sync between the two channels
i.sync_phase();
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
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# waveformgenerator_modulation.m
%% Basic Waveform Generator Example
%
% This example demonstrates how you can configure the Waveform Generator
% instrument.
%
% (c) 2021 Liquid Instruments Pty. Ltd.
%
%% Connect to your Moku
% Connect to your Moku by its IP address.
i = MokuWaveformGenerator('192.168.###.###');
try
%% Configure the instrument
% Generate a sine wave on Channel 1
% 0.5Vpp, 1MHz, 0V offset
i.generate_waveform(1, 'Sine','amplitude', 0.5, 'frequency',1e6,'offset',0);
% Generate a square wave on Channel 2
% 1Vpp, 10kHz, 0V offset, 50% duty cycle
i.generate_waveform(2, 'Sine', 'amplitude',1,'frequency', 10e3, 'duty', 50);
% Phase sync between the two channels
i.sync_phase();
%% Configure modulation
% Amplitude modulate the Channel 1 Sinewave with another internally-
% generated sinewave. 50% modulation depth at 1Hz.
i.set_modulation(1,'Amplitude','Internal','depth',50, 'frequency',1);
% Burst modulation on Channel 2 using Output 1 as the trigger
i.set_burst_mode(2,'Output1','NCycle','trigger_level',0.1, 'burst_cycles',2);
catch ME
% End the current connection session with your Moku
i.relinquish_ownership();
rethrow(ME)
end
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