Spartan 821/721 Manual Octave Band Analysis Specifications A-25
OBA Filter Linearity Range
Octave band linearity was measured electrically by using the input adapter ADP090.
The following tables provide details for PRM821. Results for the preamplifier PRM721 are the same as the PRM821.
• Table A.4 "OBA 1/1 Octave Linearity Range"
• Table A.5 "OBA 1/3 Octave Linearity Range"
TABLE A.4 OBA 1/1 Octave Linearity Range
Nominal
Frequency
(Hz)
Range (dB)
8.0 31 to 140
16.0 27 to 140
31.5 24 to 140
63.0 23 to 140
125 18 to 140
250 15 to 140
500 13 to 140
1000 14 to 140
2000 15 to 140
4000 16 to 140
8000 18 to 140
16000 21 to 140
Table A.5 OBA 1/3 Octave Linearity Range
Nominal
Frequency (Hz)
Range (dB)
6.3 34 to 140
8.0 31 to 140
10.0 30 to 140
12.5 29 to 140
16.0 28 to 140
20.0 27 to 140