User manual

Appendix A: Specifications
AM700 Audio Measurement Set User Manual
A-15
Table A-3: Analog Generator Specifications (Cont.)
Capabilities Description
THD + N
Residual THD + N (Low Distortion Mode )
Residual THD+N with the bandpass filter in place.
These specifications are baseline for sine waves
generated in the low-distortion mode. Load resis-
tance w 600 Ω
Over 22 kHz BW Over 80 kHz BW
100 Hz to 749 Hz
Amplitudes w+4 dBu to v+26 dBu
20 Hz to 749 Hz
Amplitudes w+8 dBu
Amplitudes w0 dBu
Amplitudes w–4 dBu
Amplitudes w–10 dBu
Amplitudes w–16 dBu
750 Hz to 7.3 kHz
Amplitudes w+8 dBu
Amplitudes w0 dBu
Amplitudes w–4 dBu
Amplitudes w–10 dBu
Amplitudes w–16 dBu
Typ.v0.001% (–100 dB)
v0.005% (–86 dB)
v0.0025% (–92 dB), v0.0075% (–82.5 dB)
typ.v 0.0015% (–96.5 dB)
v0.0025% (–92 dB)
v0.005% (–86 dB)
v0.0075% (–82.5 dB)
v0.005% (–86 dB)
v0.005% (–86 dB), v0.0075% (–82.5 dB)
typ.v 0.003% (–90.5 dB)
v0.005% (–86 dB)
v0.005% (–86 dB)
v0.0075% (–82.5 dB)
Amplitudes less than –16 dBu are noise limited
(22 kHz BW).
High Bandwidth Generator Residual THD+N
Residual THD+N of the high bandwidth generator.
Load resistance w 600 Ω, outputs w–4.0 dBu
Over 22 kHz BW Over 80 kHz BW
11.7 Hz to 5 kHz
u5 kHz to 20 kHz
u20 kHz to 40 kHz
u40 kHz
v0.015% (–76.5 dB) v0.018% (–75 dB)
vtyp. 0.01% (–80 dB)
Not applicable v0.025% (–72 dB)
Not applicable v0.03% (–70.5 dB)
Not applicable Not applicable