adi.FMComms3.Tx#

The adi.FMComms3.Tx System object is a signal source that can
send complex data to the FMComms2.

tx = adi.FMComms3.Tx;
tx = adi.FMComms3.Tx('uri','ip:192.168.2.1');

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Creation

The class can be instantiated in the following way with and without property name value pairs.

dev = adi.FMComms3.Tx
dev = adi.FMComms3.Tx(Name, Value)
Properties
Unless otherwise indicated, properties are non-tunable, which means you cannot change their values after calling the object. Objects lock when you call them, and the release function unlocks them.

If a property is tunable, you can change its value at any time.

For more information on changing property values, see System Design in MATLAB Using System Objects.

CenterFrequency

RF center frequency, specified in Hz as a scalar. The default is 2.4e9. This property is tunable.Help for adi.FMComms3.Tx/CenterFrequency is inherited from superclass ADI.AD9361.TX

SamplingRate

Baseband sampling rate in Hz, specified as a scalar from 65105 to 61.44e6 samples per second.Help for adi.FMComms3.Tx/SamplingRate is inherited from superclass ADI.AD9361.TX

RFBandwidth

RF Bandwidth of front-end analog filter in Hz, specified as a scalar from 200 kHz to 56 MHz.Help for adi.FMComms3.Tx/RFBandwidth is inherited from superclass ADI.AD9361.TX

AttenuationChannel0

Attentuation specified as a scalar from -89.75 to 0 dB with a resolution of 0.25 dB.Help for adi.FMComms3.Tx/AttenuationChannel0 is inherited from superclass ADI.AD9361.TX

AttenuationChannel1

Attentuation specified as a scalar from -89.75 to 0 dB with a resolution of 0.25 dB.Help for adi.FMComms3.Tx/AttenuationChannel1 is inherited from superclass ADI.AD9361.TX

RFPortSelect

‘A’ ‘B’Help for adi.FMComms3.Tx/RFPortSelect is inherited from superclass ADI.AD9361.TX

SamplesPerFrame

Number of samples per frame, specified as an even positive integer from 2 to 16,777,216. Using values less than 3660 can yield poor performance.

EnableCustomFilter

Enable use of custom filter file to set SamplingRate, RFBandwidth, and FIR in datapaths

CustomFilterFileName

Path to custom filter file created from filter wizard

EnabledChannels

Indexs of channels to be enabled. Input should be a [1xN] vector with the indexes of channels to be enabled. Order is irrelevant

uri

Hostname or IP address of remote libIIO deviceHelp for adi.FMComms3.Tx/uri is inherited from superclass MATLABSHARED.LIBIIO.BASE

enIO

If true, connects to libIIO device during simulationHelp for adi.FMComms3.Tx/enIO is inherited from superclass MATLABSHARED.LIBIIO.BASE

DataSource

Data source, specified as one of the following: ‘DMA’ — Specify the host as the source of the data. ‘DDS’ — Specify the DDS on the radio hardware as the source of the data. In this case, each channel has two additive tones.Help for adi.FMComms3.Tx/DataSource is inherited from superclass ADI.COMMON.DDS

DDSFrequencies

Frequencies values in Hz of the DDS tone generators. For complex data devices the input is a [2xN] matrix where N is the available channels on the board. For complex data devices this is at most max(EnabledChannels)*2. For non-complex data devices this is at most max(EnabledChannels). If N < this upper limit, other DDSs are not set.Help for adi.FMComms3.Tx/DDSFrequencies is inherited from superclass ADI.COMMON.DDS

DDSScales

Scale of DDS tones in range [0,1]. For complex data devices the input is a [2xN] matrix where N is the available channels on the board. For complex data devices this is at most max(EnabledChannels)*2. For non-complex data devices this is at most max(EnabledChannels). If N < this upper limit, other DDSs are not set.Help for adi.FMComms3.Tx/DDSScales is inherited from superclass ADI.COMMON.DDS

DDSPhases

Phases of DDS tones in range [0,360000]. For complex data devices the input is a [2xN] matrix where N is the available channels on the board. For complex data devices this is at most max(EnabledChannels)*2. For non-complex data devices this is at most max(EnabledChannels). If N < this upper limit, other DDSs are not set.Help for adi.FMComms3.Tx/DDSPhases is inherited from superclass ADI.COMMON.DDS

EnableCyclicBuffers

Enable Cyclic Buffers, configures transmit buffers to be cyclic, which makes them continuously repeatHelp for adi.FMComms3.Tx/EnableCyclicBuffers is inherited from superclass ADI.COMMON.DDS


Example Usage
%% Configure device
tx = adi.FMComms3.Tx;
tx.uri = 'ip:analog.local';

tx.CenterFrequency = 1e9;

tx.DataSource = 'DMA';
tx.EnableCyclicBuffers = true;
tx.EnabledChannels = 1;
%% Generate tone
amplitude = 2^15; frequency = 0.12e6;
swv1 = dsp.SineWave(amplitude, frequency);
swv1.ComplexOutput = true;
swv1.SamplesPerFrame = 2^14;
swv1.SampleRate = tx.SamplingRate;
y = swv1();
% Send
tx(y);