User manual

Appendix A: Specifications
A-44
AM700 Audio Measurement Set User Manual
Table A-22: FFT Analyzer (Cont.)
Capabilities Description
Amplitude Related Characteristics
Full Span FFT Noise Floor
Input terminated with 600 Ω or less, auto range and
averaging ON.
High Resolution Mode
170 Hz to 1000 Hz
1 kHz to 20 kHz
High Bandwidth Mode
400 Hz
–120 dBu
–140 dBu
–120 dBu
Residual DC Response –60 dBFS within two hours of offset calibration
FFT Dynamic Range
Spurious Free Dynamic Range 105 dB
Phase
FFT Cross-Channel Phase Accuracy 1 degree
Display Related Characteristics
Displays Available Spectral Display (amplitude versus frequency for
A and B)
Spectrogram (time versus frequency with ampli-
tude color/gray coded)
Display Update Rate 10 updates per second at full span
Frequency Axis Linear or Log
Averaging
Displays The following average displays are available:
Max Hold
Min Hold
Average
Type of Averaging Exponential only