Example MATLAB script to implement the Phasemeter

For more MATLAB examples, please refer to this link.

%% 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


i.relinquish_ownership();