Distortion Products £–160 dB.
Display Modes
Time Domain Normal, Interpolate, Peak or Max.
Frequency Domain Peak pick, individual bin, Smoothing.
Move to bin center Window
Frequency Range 7
th
bin to 45% of Sample Rate, and ±4% of input
frequency[21.6 kHz at 48 ks/s].
Amplitude Accuracy ±0.025 dB.
Spurious Products £–120 dB.
Embedded Audio, Multitone Audio Analyzer
with “FASTTEST” DSP program (48 bit processing)
Acquisition Length 512–32768 samples in binary steps.
Transform Length 512–32768 samples in binary steps.
Measurements Level vs frequency,
Total distortion vs frequency,
Noise vs frequency,
Phase vs frequency,
Crosstalk vs frequency,
Masking curve.
Frequency Resolution Sample Rate ÷ 2
15
[1.465 Hz with 48 ks/s].
Frequency Correction Range ±3%.
Distortion £–140 dB.
Embedded Audio, Quasi-Anechoic Acoustical Tester
with “MLS” DSP program
Signals Four pink sequences and four white sequences,
selected by triggering generator MLS setting.
Frequency Range (Sample Rate ¸ 2000) to (Sample Rate ¸ 2).
Frequency Resolution (Max) 1.465 Hz at 48 ks/s.
Acquisition Length 32767 or 131071 samples, selected by triggering
generator MLS setting.
FFT Length 32768.
Energy Time Windows half Hann,
Hann,
<240 Hz >8 kHz,
<120 Hz >16 kHz.
Time Windows <5%,
(percent of data record to <10%,
transition from 0 to full <20%,
amplitude) <30%.
Averaging 1–4096 averages in binary steps, synchronous.
Chapter 6: Specifications Digital Analyzer
84 Getting Started with Your 2700 Series Instrument
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