Characteristic Specifications Supplemental Information
32 APx555 B Series Audio Analyzer: Analog I/O Specifications
555
ANALOG GENERATOR
Number of Channels
2, independent amplitude control
Waveforms
High performance sine, Dual sine, Var
Phase sine, Burst sine, IMD, Noise,
Square, Multitone & Wave file play-
back, ADC test
Projects created using the high perfor-
mance sine (HPSG) will load as “Dual
Sine” in other APx analyzers
High Performance Sine (HPSG)
Generation Technique Exceptionally stable RC oscillator
Frequency Range (Fs) 5.00 Hz to 204.75 kHz
Frequency Setting Resolution
Precision Tune Off 0.025 Hz, 5.00 Hz to 204.75 Hz;
0.25 Hz, 205.0 Hz to 2.0475 kHz;
2.5 Hz, 2.050 kHz to 20.475 kHz;
25 Hz, 20.50 kHz to 204.75 kHz
Precision Tune On Typically <10 ppm over full range
Frequency Accuracy
Precision Tune Off ±0.35%
Precision Tune On ±0.003% [30 ppm] for Fs 10 Hz;
±300 Hz for Fs <10 Hz
Valid for at least 20 minutes in a
stable environment (T 1.0C).
Tune delay is 13 cycles + 400 ms
Amplitude Range
1
10 Hz to 100 kHz
0-26.66 Vrms [75.4 Vpp] bal;
0-13.33 Vrms [37.7 Vpp] unbal & CMT
Will drive 600 balanced load to at
least +30.0 dBm when Rs = 40
5 Hz to 10 Hz
100 kHz to 204 kHz
0-21.22 Vrms [60.0 Vpp] bal;
0-10.61 Vrms [30.0 Vpp] unbal & CMT
Amplitude Setting Resolution Typically <0.001 dB or 0.05 µVrms
Amplitude Accuracy, 1 kHz
+15°C to +30°C
±0.030 dB [±0.35%]
0°C to +45°C
±0.040 dB [±0.46%]
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