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130 results:
Increasing Test Speed  
… to sweep from 20 Hz to 40 Hz equals the time to sweep from 10 kHz to 20 kHz Farina showed that a deconvolution of the input and output signals yields time separated impulses of the linear and…  
Using LabVIEW with a SYS-2722  
… to which the 2722 is connected (in this example we're using Address #2) and enter the string as shown into the VISA Resource control. Note: For each VI setting, you can either look at the Front Panel…  
I2S jitter measurement with the SYS-2722  
… digitalinput #1 of the analyzer. You can then use the Digital Interface Analyzer (intervu)program as shown in the accompanying test file example “jitter PSIA BCK to AES BNC.at27.” This test file will…  
THD & IMD Measurements of Power Amplifiers with Short Duration Signals  
… (root sum of squares) summation of the 9 harmonics relative to the fundamental. The THD number is shown below the spectrum graph when the macro finishes (Figure 2). A second set of files named "Burst…  
Error message: "The connection to the instrument was lost."  
… is not being shared by looking at the USB Root Hub Properties in Device Manager. Device manager showing USB Root Hubs. A modern PC may have twelve or more Root Hubs on the motherboard. USB Root Hub…  
AP Basic Simple Database Connectivity  
… ' Macro Description: ' This macro shows how to use the Microsoft DAO (Data Access Objects) ' collection to connect AP Basic to an MS Access…  
Measuring Levels in dBμV  
… used to set arbitrary decibel reference values. For example, you could set dBrA to 1.0 μV, as shown below and then select dBrA as the units in the Analyzer meter or Function meter. In the figure…  
AP2700 and ATS-2 ActiveX Automation Commands for Programming with LabVIEW or Other Languages  
… ActiveX command to set the digital output to PSIA is apbPSIA. The corresponding LabVIEW code is shown below. *** jb  
Distorted Receiver Speaker Outputs with APx585  
… analog balanced inputs of an APx585. When I generate a sine wave signal into the receiver, the APx shows a strangely distorted waveform with a level much lower than expected. What is wrong? Answer Most…  
Setting AP2700 Test File Location in LabVIEW  
… can use the LabVIEW Path to String function to convert a LabVIEW file path to the necessary string, as shown in the modified version of your VI below. The modified example also uses the LabVIEW File Dialog VI to…  
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