Characteristic Specifications Supplemental Information
APx517 B Series Acoustic Analyzer: Specifications 43
Common Mode Rejection {Note 4}
Max common mode signal range:
250mV, 800mV, 2.5V ranges 80 dB, 5 Hz to 5 kHz;
70 dB, 5 kHz to 20 kHz
±6 Vpk
8V range 50 dB, 5 Hz to 20 kHz ±9 Vpk
25V range 50 dB, 5 Hz to 20 kHz ±60 Vpk
Input Related Crosstalk
(-120 dB + 0.3 V) 5 Hz to 20 kHz Rs 600
Level (Amplitude) Measurement
Range
Balanced or bridging input < 1 V to 25 Vrms differential
Unbalanced input < 1 V to 25 Vrms
Accuracy (1 kHz) ±0.05 dB [±0.60%]
Flatness (1 kHz ref, DC cou-
pling)
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, -0.6 dB
Residual Noise
(inputs shorted)
1.9 Vrms, 20 Hz to 20 kHz BW Typically < 12 nV/Hz at 1 kHz
THD+N Measurement
Fundamental Range 5 Hz to 80.1 kHz
Measurement Range 0 to 100%
Accuracy ±0.5 dB
Residual THD+N {notes 1,2}
20 Hz-20 kHz fundamentals (-98 dB + 1.9 V), 20 Hz to 20 kHz
BW
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