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Configuring VB.NET and C# Applications After Upgrading APx500

Type: news Date: Apr 14, 2016

… Visual Basic.NET In VB.NET, the references are accessed by selecting Project > Properties, as shown in Figure 1 (Note: The images shown below are from Microsoft Visual Basic 2008 Express Edition. The…

LabVIEW Configuration Files for the APx API

Type: news Date: Apr 14, 2016

… .config file are not used, in some cases the LabVIEW driver VIs may not work. The Examples project shown in the figure above contains a configuration file named APx500 Examples Project.lvproj.config. You can…

A Note Concerning Analysis of Pure Sine Signals Transmitted Using the AAC Codec

Type: news Date: Sep 29, 2017

… pure tone to appear radically different than what you would typically expect. For example, Figure 1 shows the FFT spectrum of a 1 kHz sine signal at a level of -1 dBFS transmitted from a current smart phone…

2700 Series Analog Performance

Type: page Date: May 07, 2026

… of the 2700 Series. THD+N Our conservatively spec’d system residual THD+N is less than –112 dB, as shown in the graph below. This represents an advantage of about 9 dB over converter-based analyzer systems.…

Samsung Contract Manufacturer Young Bo Tools Up New Bluetooth Production Line with Multiple Audio Precision APx520 Audio Analyzers

Type: news Date: Apr 14, 2016

… from the LabVIEW application using its API, Young Bo purchased multiple APx520s. “Young Bo showed great foresight recognizing that an investment in capital test equipment must be able to pay off many…

APx585/586 600 Ohm Output Impedance

Type: news Date: Apr 14, 2016

… problems. You will need one adapter for each channel to be converted. The wiring diagram is shown in Figure 2. For balanced outputs, each of the two terminals of the balanced connection should have one…

Error message: "The connection to the instrument was lost."

Type: news Date: Apr 14, 2016

… 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…

Measuring Levels in dBμV

Type: news Date: Apr 14, 2016

… 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…

Setting AP2700 Test File Location in LabVIEW

Type: news Date: Apr 14, 2016

… 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…

AP2700 and ATS-2 ActiveX Automation Commands for Programming with LabVIEW or Other Languages

Type: news Date: Apr 14, 2016

… ActiveX command to set the digital output to PSIA is apbPSIA. The corresponding LabVIEW code is shown below. *** jb