Characteristic Specifications Supplemental Information
32 APx515 B Series Audio Analyzer: Specifications
EMBEDDED OUTPUT SIGNAL RELATED:
Waveforms
Sine, sine split frequency, sine split
phase, sine+DC offset, continuously
swept-sine, square-wave, noise, IMD
signals, multi-tone, constant value,
walking ones/zeros, bittest random,
wave file playback
8–24 bit word width, triangular PDF
dither.
Sine Characteristics
Frequency Range 5 Hz to 0.499 • SR
Flatness
1
Typically <0.001 dB
Offset Range To maximum digital code [±1D] Offset limits maximum ac signal
Harmonics & Spurious
1,6
Typically <–140 dBFS
Square Characteristics
Frequency Range (Fq) 10 Hz to SR / 6 Only specific values are allowed: Fq =
SR / N where N is an even integer ≥6
Even Harmonic, Spurious Content Typically <-140 dBFS
Noise Characteristics
Shape White (<5 Hz to 0.499 • SR),
Pink (<10 Hz to 0.45 • SR),
IEC 60268-1 or BS EN 50332-1
IMD Test Signals
SMPTE & MOD
Lower Frequency (LF) 40 Hz to 1.00 kHz LF tone must be 1/6 • HF tone.
SMPTE Upper Frequency (HF) 2 kHz to (0.499 • SR) or 60 kHz,
whichever is lower
MOD Upper Frequency (HF) 240 Hz to (0.499 • SR) or 60 kHz,
whichever is lower
Mix Ratio (LF:HF) 10:1, 4:1 or 1:1
Residual IMD
1,6
Typically <–140 dBFS
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