AP B Series - Page 56

54 APx515 B Series Audio Analyzer: Analog I/O Specifications
515
EMBEDDED INPUT SIGNAL RELATED:
Level (Amplitude) Measurement
Measurement Range < –120 dBFS to +3 dBFS
Accuracy (1 kHz) Typically < 0.001 dB
Flatness
1
Typically <0.001 dB
Residual Noise
1
Typically <–140 dBFS
THD+N Measurement
Fundamental Range 5 Hz to 0.49 • SR or 50 kHz,
whichever is lower
Tuning can be set to track measured frequency, generator
setting or fixed
Measurement Range 0 to 100%
Accuracy ±0.5 dB Q=2.6 typically
Residual THD+N
1, 7
Typically <–140 dBFS
Bandwidth Limiting Filters
High-Pass
8
DC DC coupling
AC (< 10 Hz) AC coupling –3 dB at 4.1 Hz
Butterworth F
HP
(–3 dB) = 10 Hz to 100 kHz,
4-pole
Elliptic F
HP
(–0.01 dB) = 10 Hz to 100 kHz;
5-pole; 0.01 dB pass-band ripple;
≤–60 dB stop-band
Low-Pass
8
FS/2 No filter is implemented, bandwidth and
response are limited by the SR
Butterworth F
LP
(–3 dB) = 10 Hz to 100 kHz,
8-pole
ENBW ≈ 1.006 • F
LP
Characteristic Specifications Supplemental Information