Narrow Band Amplitude
Frequency Range
0.04% to 40% of sample rate (10 Hz-19.2 kHz at
48.0 ks/sec)
Filter Shape 10-pole, Q=19 (BW = 5.3% of f
o
)
Residual Noise
≤-150 dBFS
THD+N Measurements
Fundamental Range 0.02% to 45% of sample rate
(10 Hz-22.0 kHz at 48.0 ks/sec)
Residual THD+N
≤-138 dBFS
High pass Filters 22 Hz, 2-pole Butterworth
400 Hz, 2-pole Butterworth
Low pass Filters 15 kHz, 6-pole elliptic low-pass
20 kHz, 6-pole elliptic low-pass
Weighting Filters ANSI-IEC “A” weighting, Type 0
CCIR QPk per CCIR Rec 468
CCIR RMS per AES 17
SMPTE (DIN) IMD Function with option “IMD”
Test Signal Compatibility
Any combination of 40-250 Hz (LF) and 3
kHz-20 kHz (HF) tones, mixed in any ratio from
1:1 to 4:1 (LF:HF)
IMD Measured Amplitude modulation products of the HF tone.
-3 dB measurement bandwidth is typically
20 Hz-750 Hz
Measurement Range <0.0001%-10%
Accuracy
±1 dB per SMPTE RP-120-1983, DIN 45403
Residual IMD (0 dBFS)
≤0.0001% [-120 dB], 60 + 7 kHz or 250 + 8 kHz
Frequency Measurements
Range 5 Hz to 47% of sample rate
(5 Hz-21.0 kHz at 44.1 ks/sec)
(5 Hz-23.0 kHz at 48.0 ks/sec)
Accuracy
±0.01% of reading or 0.0001% of sample rate,
whichever is greater
Resolution 0.003% of reading or 0.0001% of sample rate,
whichever is greater
D Specifications
Appendix D - Specifications
ATS-1 Dual Domain User's Manual D-11
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