Phase Measurement Related
Measurement Ranges
±180, +90/-270, or -90/+270 deg
Accuracy
20 Hz-20 kHz
±2.0 deg
10 kHz-50 kHz
±5.0 deg
Resolution
0.1 deg
Minimum Input
25 mV, both inputs
4
Wideband Amplitude/Noise Function
Measurement Range
<1 µV – 140 Vrms [-118 dBu to + 45 dBu]
Accuracy (1 kHz)
±0.2 dB [±2.3 %] unweighted
Flatness (1 kHz ref)
20 Hz-20 kHz
±0.05 dB
10 Hz-50 kHz
±0.2 dB
50 kHz-120 kHz
±0.5 dB (-3 dB BW typically >300 kHz)
Bandwidth Limiting Filters
LF -3 dB <10 Hz,
400 Hz ±5% (3-pole)
HF -3 dB
22 kHz ±5% (5-pole)
5
,
30 kHz ±5% (3-pole),
80 kHz ±5% (3-pole), or
>300 kHz
Weighting filters ANSI-IEC “A” per IEC 179
CCIR-QPK per CCIR Rec 468
CCIR-ARM per Dolby Bulletin 19/4
CCIR-1k (rms, 0 dB at 1 kHz)
CCIR-2k (rms, 0 dB at 2 kHz)
Optional Filters
up to 2 (Aux 1 and Aux 2)
Detection
RMS (τ = 60 ms),
AVG,
QPk per CCIR Rec 468,
Note 4 For fully specified performance. Usable with inputs as low as 10 mV. Readings are
disabled for inputs below approximately 7–8mV.
Note 5 Combined with 22 Hz highpass per CCIR Rec 468.
D Specifications
Appendix D - Specifications
D-4 ATS-1 Access User's Manual
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