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Type: page Date: May 07, 2026

… and measurements of the device’s output THD+N. An example test of a Digital-to-Analog converter is shown below with a nested sweep of jitter frequency and audio frequency versus measured THD+N, according to…

Exporting AP2700 Measurements to a Database

Type: news Date: Apr 14, 2016

… Macro Description: ' This macro shows how to use the Microsoft DAO (Data Access Objects) ' collection to connect AP Basic to an MS Access…

Increasing Test Speed

Type: news Date: Apr 14, 2016

… 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…

APx J-Test (Jitter) Measurement Utility

Type: file Date: Feb 26, 2024

… using a special J-test stimulus signal and analyzing the analog output spectrum. Displays graphs showing the FFT spectrum, the jitter spectral density, and the integrated jitter, in...

APx J-Test (Jitter) Measurement Utility

Type: file Date: Feb 26, 2024

… using a special J-test stimulus signal and analyzing the analog output spectrum. Displays graphs showing the FFT spectrum, the jitter spectral density, and the integrated jitter, in...

Using LabVIEW with a SYS-2722

Type: news Date: Apr 14, 2016

… 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…

THD & IMD Measurements of Power Amplifiers with Short Duration Signals

Type: news Date: Apr 14, 2016

… (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…

AP Basic Simple Database Connectivity

Type: news Date: Apr 14, 2016

… ' Macro Description: ' This macro shows how to use the Microsoft DAO (Data Access Objects) ' collection to connect AP Basic to an MS Access…

Distorted Receiver Speaker Outputs with APx585

Type: news Date: Apr 14, 2016

… 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…

APx J-Test (Jitter) Measurement Utility

Type: file Date: Feb 26, 2024

… using a special J-test stimulus signal and analyzing the analog output spectrum. Displays graphs showing the FFT spectrum, the jitter spectral density, and the integrated jitter, in...