Audio Precision AP 52 B Series User Manual

Characteristic Specifications Supplemental Information
APx525/526 B Series Audio Analyzers: Analog I/O Specifications 21
525
Output Related Crosstalk
1
 (–130 dB + 0.3 µV) to 20 kHz
ANALOG ANALYZER
Number of Channels
APx525 (and APx520) 2, independently auto-ranging.
APx526 (and APx521) 4, independently auto-ranging. With option BW52: only Channels 1 and
2 are active if BW setting = 250 kHz,
500 kHz or 1 MHz
Maximum Rated Input
230 Vpk, 160 Vdc, any input to
ground; 0.5 Vpk for unbalanced bnc
shields
Input Impedance
Balanced 100 k || 220 pF, each side to
ground
Unbalanced 100 k || 220 pF to bnc shield Electronically floating, 0.5 Vpk max;
bnc shield to ground 500 || 22nF
Input Terminations
Selectable 600  ±1% (1.5 W max),
or 300  ±1% (3 W max).
Terminations automatically open in the
100 V and 300 V ranges.
Input Coupling
Selectable DC or AC Typically <0.5 A bias current with DC
coupling, typically <0.03 dB roll-off at
20 Hz with AC coupling
Input Ranges
320 mV to 300 V, 10 dB steps Maximum ac signal is 160 Vac unbal,
300 Vac bal, in the 300V range
Common Mode Rejection
4
Max common mode signal range:
320 mV, 1 V, 3.2 V ranges  80 dB, 5 Hz to 5 kHz;
 72 dB, 5 kHz to 20 kHz
±6Vpk
10 V range  50 dB, 5 Hz to 20 kHz ±16 Vpk
32 V range  50 dB, 5 Hz to 20 kHz ±60 Vpk
100 V and 300 V ranges  45 dB, 5 Hz to 20 kHz ±230 Vpk
Input Related Crosstalk
 (–140 dB + 0.1 µV) to 20 kHz R
s
600 

Audio Precision AP 52 B Series Specifications

General

Brand	Audio Precision
Model	AP 52 B Series
Category	Measuring Instruments
Language	English