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Audio Precision APx515 - Digital I;O and Signal Specifications

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Characteristic Specifications Supplemental Information
APx515 B Series Audio Analyzer: Specifications 31
DC Voltage Measurement
Input Ranges 0.25 V to 80 V, 10 dB steps ±120 Vdc maximum in 80 V range
Accuracy
250 mV and 800 mV ranges ±(0.7% reading + 1 mV)
2.5 V-80 V ranges ±(0.7% reading + 0.1% range)
Normal Mode Rejection Typically > 90 dB, 20 Hz to 20 kHz.
DIGITAL I/O
DIGITAL OUTPUT RELATED:
Formats
Electrical, unbalanced SPDIF-EIAJ per IEC60958,
0.50 Vpp or 1.00 Vpp ±10% into 75
Output R is nominally 75 
Electrical, balanced AES-EBU per AES3-1992,
5.00 Vpp ±10% into 110
Output R is nominally 110 
Optical Toslink®
Sample Rate (SR) Range
Electrical 27 kS/s to 200 kS/s Usable over the extended range of
16 kS/s to 216 kS/s with degraded
waveform
Optical 27 kS/s to 108 kS/s
Sample Rate (SR) Accuracy
±0.0003% [3 ppm]
Channel Status Bits
Full implementation per IEC-60958 Automatically set or manual override,
hex or plain English
User Bits and Validity Flag
Fully settable Hex
Residual Jitter
1,6
Electrical Typically < 1.5 ns
Optical Typically < 2.5 ns, SR 96 kS/s

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