34 APx582 B Series Audio Analyzer: Analog I/O Specifications
582
Phase Measurement
Ranges –90 to +270, ±180, or 0 to 360 deg
Accuracy ±0.25 deg, 5 Hz to 5 kHz;
±1.0 deg, 5 kHz to 20 kHz;
±2.5 deg, 20 kHz to 50 kHz
Vin must be 5 mV, all channels
Resolution 0.001 deg
DC Voltage Measurement
Valid only for input bandwidths 90k
Input Ranges 0.32 V to 100 V, 10 dB steps ±120 Vdc maximum in 100 V range
Accuracy
0.32 V range ±(0.7% reading + 800 µV)
1 V–100 V ranges ±(0.7% reading + 0.1% range)
Normal Mode Rejection Typically > 90 dB, 20 Hz to 20 kHz.
NOTES to SPECIFICATIONS:
1 System specification including contributions from both generator and analyzer. Generator-only and/or analyzer-only
contributions are typically less.
2 Generator load must be 600 balanced or 300 unbalanced for specified performance. Generator dc offset
must be off or set to 10 mV.
3 Input must be 150 mV for specified performance. Analyzer must be set to measure “d2+d3” for MOD and DFD,
and “U1…U9” for DIM per IEC-60268.
4 Valid for the balanced input configuration with DC coupling only. With AC coupling, specified performance is invalid
below 50 Hz.
5 Maximum low-pass filter frequency is limited by analyzer input bandwidth setting.
6 Filter response is relative to “no filter” selection; overall system performance will also include analog flatness imper-
fections. DSP warping may significantly increase roll-off rate and lower ENBW.
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