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Found 5 results

  1. Dear Sir/Madam, I am trying to create a single pulse using the wavegen in labview but couldn't find the subVIs in the DigilentWF library. I was able to use the Waveform software to create a single pulse. Attached are the pictures. Is there anyone that can help to shed some lights on how to achieve that? Much appreciated.
  2. I am using analog discovery 2. I am trying to acquire data (for 10ms) of first channel from trigger of second channel signal. this is a part of my code hzAcq = c_double(1075000) # 1,075MHz nSamples =8192 dwf.FDwfAnalogInChannelEnableSet(hdwf, c_int(0), c_bool(True)) #first signal (channel 1) dwf.FDwfAnalogInChannelRangeSet(hdwf, c_int(0), c_double(1)) dwf.FDwfAnalogInChannelEnableSet(hdwf, c_int(1), c_bool(True))#second signal (channel 2) dwf.FDwfAnalogInChannelRangeSet(hdwf, c_int(1), c_double(5)) dwf.FDwfAnalogInAcquisitionModeSet(hdwf, c_int(3)) # record dwf.FDwfAnalogInFrequencySet(hdwf, hzAcq) sRecord = nSamples/hdwf.value # 7.6ms dwf.FDwfAnalogInRecordLengthSet(hdwf, c_double(sRecord)) # -1 infinite record length dwf.FDwfAnalogInTriggerPositionSet(hdwf, c_double(-0.25*sRecord)) # -0.25 = trigger at 25% #set up trigger dwf.FDwfAnalogInTriggerAutoTimeoutSet(hdwf, c_double(10)) # 10 second auto trigger timeout dwf.FDwfAnalogInTriggerSourceSet(hdwf, c_ubyte(2)) # trigsrcDetectorAnalogIn dwf.FDwfAnalogInTriggerTypeSet(hdwf, c_int(0)) # trigtypeEdge dwf.FDwfAnalogInTriggerChannelSet(hdwf, c_int(1)) # channel 2 dwf.FDwfAnalogInTriggerLevelSet(hdwf, c_double(1.5)) # 1.5V dwf.FDwfAnalogInTriggerHysteresisSet(hdwf, c_double(0.01)) # 0.01V dwf.FDwfAnalogInTriggerConditionSet(hdwf, c_int(0)) # trigcondRisingPositive the first signal is on mV and the second is a signal on V ( 0-3.3 ) The voltage values that i acquire are not correct. Any suggestions?
  3. When changing the start and stop frequencies of the spectrum analyzer the resolution does not seem to change. I'm using the software in the demo mode. Is this how the actual software works. One would hope that the resolution frequency would decrease (become a smaller frequency) as the frequency span is decreased. Thanks, for any responses.
  4. Hello, 1. I'm just wondering if I can expect to get time sequence which has 10ns interval (ADC fs=100MHz) when I measure the Analog input from my circuit. (AD, AD2) 2. And because of 16k samples buffer, I only can measure(capture or save data) during 0.16msec (1/100MHz*16k). Is there any way to increase the number of samples to save? 3. Can I change the sampling frequency also? Best regards, Sung
  5. Dear, Hello, I've considered using Analog Discovery for 100MHz ( >20MHz) ADC. I have some questions about it. I found some discussion that Matlab does not provide connection to Analog Discovery 2. Have you ever used Matlab Data Acquisition Toolbox to connect Analog Discovery 2? I wonder if the data acquisition toolbox only support Analog Discovery (old version). I have one more question. I'd like to measure 4 channels simultaneously. Can I use two Analog Discovery modules simultaneously? and is it able to run two S/W to handle two Analog Discovery modules at the same time? I appreciate if you give some idea for 4 ch. measurements using Analog Discovery.