Generate a Standard Waveform Using Function Waveform Generator Channels
This example shows how to use the function generator channel in a
DataAcquisition to generate a sine function waveform at a frequency of 100 kHz. The signal
output voltage range is specified as -5.0
to +5.0
volts.
Discover available Digilent® devices.
dev = daqlist("digilent")
dev = 1×4 table DeviceID Description Model DeviceInfo ________ _____________________________________________ ____________________ _______________________ "AD1" "Digilent Inc. Analog Discovery 2 Kit Rev. C" "Analog Discovery 2" [1×1 daq.di.DeviceInfo]
Create a DataAcquisition object for Digilent devices.
d = daq("digilent")
d = DataAcquisition using Digilent Inc. hardware: Running: 0 Rate: 10000 NumScansAvailable: 0 NumScansAcquired: 0 NumScansQueued: 0 NumScansOutputByHardware: 0 RateLimit: []
Add a waveform function generator channel for device AD1
with a
Sine
waveform type.
fgenCh = addoutput(d,"AD1",1,"Sine")
fgenCh = Index Type Device Channel Measurement Type Range Name _____ ______ ______ _______ ________________ ____________________ ____________ 1 "fgen" "AD1" "1" "Sine" "-5.0 to +5.0 Volts" "AD1_1_fgen"
Set the channel amplitude to 5 v using the Gain
property and the
channel frequency to 100 kHz.
fgenCh.Gain = 5; fgenCh.Frequency = 100e3;
Specify the output duration to run for 5
seconds and start the
generation.
write(d,seconds(5))