Characteristic Specifications Supplemental Information
28 APx515 B Series Audio Analyzer: Specifications
Common Mode Rejection
4
Max common mode signal range:
250 mV, 800 mV, 2.5 V ranges 80 dB, 5 Hz to 5 kHz;
70 dB, 5 kHz to 20 kHz.
±6Vpk
8 V range 50 dB, 5 Hz to 20 kHz ±12 Vpk
25 V range 50 dB, 5 Hz to 20 kHz ±60 Vpk
80 V range 45 dB, 5 Hz to 20 kHz ±120 Vpk
Input Related Crosstalk
(–120 dB + 0.3 µV) to 20 kHz R
s
600
Level (Amplitude) Measurement
Range
Balanced or bridging input < 1 µV to 115 Vrms
Unbalanced input < 1 µV to 85 Vrms
Accuracy (1 kHz) ±0.05 dB [±0.60%]
Flatness (1 kHz ref, DC coupling)
10 Hz to 20 kHz ±0.010 dB Typically < 0.005 dB.
20 kHz to 50 kHz ±0.030 dB
50 kHz to 80 kHz ±0.10 dB
Residual Noise (inputs shorted)
1.4 µVrms, 20 kHz BW Typically < 8.0 nV/√Hz at 1 kHz
THD+N Measurement
Fundamental Range 5 Hz to > 90 kHz
Measurement Range 0 to 100%
Accuracy ±0.5 dB
Residual THD+N
1,2
20 Hz–20 kHz fundamentals (–102 dB + 1.4 µV), 20 kHz BW
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