VT DSO-2A20 Manual Rev. 1.1
Virtins Technology
Sound Card
Oscilloscope
Sound
Card
Spectrum
Analyzer
Sound
Card
Signal
Generator
Multi-
Instrument
Lite
Multi-
Multi-
Instrument
Instrument
Standard
Pro
Amplitude
Spectrum
√
√
√
√
Phase Spectrum
√
√
√
√
Auto-correlation
√
√
√
√
Cross-correlation
√
√
√
√
Coherence
√
Transfer Function
√
Type
Impulse
Response
√
Frequency
Compensation
√
√
√
√
Frequency
Weighting
√
√
√
√
Remove DC
√
√
√
√
Intra-F
ram
e
Processing
Smoothing via
Moving Average
√
√
√
√
Peak Hold
√
√
√
√
Linear Average
√
√
√
√
Inter-Frame
Processing
Exponential
Average
√
√
√
√
THD,THD+N,SNR,
SINAD,Noise
Level, ENOB
√
√
√
√
IMD
√
√
√
√
Bandwidth
√
√
√
√
Crosstalk
√
√
√
√
Harmonics & Phase
√
√
√
√
Energy in User
Defined Frequency
Band
√
√
√
√
Peaks, SFDR
√
√
√
√
Wow & Flutter
√
*
Sound
Loudness
√
P
aramet
er M
eas
urement
Sound Loudness
Level
√
FFT Size
128~32768
√
√
√
√
FFT Size
65536~4194304
√
Intra-Frame
Average
√
√
√
√
Window function
√
√
√
√
FFT
Window Overlap
√
√
√
√
Peak Frequency
detection
√
√
√
√
Cross Correlation
Peak detection
√
√
√
√
Octave Analysis
(1/1, 1/3, 1/6, 1/12,
1/24, 1/48, 1/96)
√
√
√
√
Others
Linear/Log/Power
Spectral Density
Scale for X and Y
√
√
√
√
Signal Generator
Sine
√
√
√
√
Rectangle
√
√
√
√
Triangle
√
√
√
√
Wavefor
m
Saw Tooth
√
√
√
√
www.virtins.com 38 Copyright © 2017 Virtins Technology
