Rohde &Schwarz UPL Library

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This part is based on an Application note from Rohde & Schwarz:

Application Note name:   Collection of Setups for Measurements with Audio Analyzers UPL and UPD
Application Note code:    1GA36_1E
Author: Klaus Schiffner
Date:                                 01/97
Revision: Revision 04/97

Original file: 1GA36_1E.pdf

4. Linear Distortion Measurements

• 4.1 Amplitude Frequency Response

· 4.1.1. Sweep Measurements Using Signals from UPD/UPL Generator

· 4.1.2. Sweep Measurements Using Signals from External Source

· 4.1.3. Fast Frequency Response Measurements Using FFT

· 4.1.4. Frequency Response Measurement at Different Levels

· 4.1.5. Level Difference between Two Stereo Channels

• 4.2 Phase and Group-Delay Measurements

· 4.2.1. Measurement of Phase Frequency Response

· 4.2.2. Measurement of Phase Difference between Two Stereo Channels

· 4.2.3. Measurement of Group Delay Versus Frequency

• 4.3 Combined Measurements

· 4.3.1. Amplitude and Phase Frequency Response in One Display

· 4.3.2. Phase Difference and Level Difference between Two Stereo Channels in One Display

· 4.3.3. Group Delay and Amplitude Frequency Response in One Display

5. Nonlinear Distortion Measurements

• 5.1. Total Harmonic Distortion (THD)
• 5.2. THD+N
• 5.3. Intermodulation
• 5.4. Difference Frequency Distortion (DFD)
• 5.5. Dynamic Intermodulation (DIM)
• 5.6. FFT Analysis

6. Measurement of Interference and Wow & Flutter

• 6.1. S/N Ratio
• 6.2 Crosstalk
• 6.3. Stereo Separation
• 6.4. Wow & Flutter

7. Measurements on Analog/Digital Interfaces

• 7.1. Clipping Level
• 7.2. Linearity of A/D Converters
• 7.3. Nonlinearity of A/D Converters
• 7.4. Linearity of D/A Converters
• 7.5. Nonlinearity of D/A Converters
• 7.6. Signal Delay in Analog and Digital Systems

8. Protocol Analysis

• 8.1. Binary Data Protocol
• 8.2. Channel Status Data in Professional Format (AES 3)
• 8.3. Channel Status Data in Consumer Format (IEC 958)

9. Digital Interface Tests

• 9.1. Common-Mode Interference, Digital Pulse Amplitude and Sampling Frequency
• 9.2. Jitter Amplitude
• 9.3. Jitter Spectrum
• 9.4. Jitter Waveform
• 9.5. Jitter Susceptibility
• 9.6. Phase between Audio Data Signal and Reference Signal

Editor: J. Vanoutrive