Agilent Technologies u8903a - Graph Mode; Audio Filters

132 U8903A User’s Guide
8 Specifications

Graph mode
Audio filters
Size/Acquisition length 256, 512, 1024, 2048, 4096, 8192, 16384, 32768
Window Rectangular, Hann, Hamming, Blackman-Harris, Rife-Vincent 1 and 3, Flattop
Amplitude accuracy (Flattop
window)
0.1 dB (1.2%)
Display mode
Time domain Normal, Interpolate, Peak, Absolute Value
Frequency domain Displays highest FFT bin between graph points
Low pass filter • 15 kHz low pass
• 20 kHz low pass
• 30 kHz low pass
• User-defined
[1]
High pass filter • 20 Hz high pass
• 100 Hz high pass
• 400 Hz high pass
• User-defined
[1]
Weighting filter • A-Weighting (ANSI-IEC “A” weighted, per IEC Rec 179)
• CCIR 1K weighted (CCIR Rec. 468)
• CCIR 2K weighted (Dolby 2K)
• C-Message (C-Message per IEEE 743)
• CCITT (ITU-T Rec. O.41, ITU-T Rec. P.53)
• User-defined
[1]
[1] User-defined filters can be uploaded through standard I/O connections.