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Low-Pass Butterworth
5BAF Series
Fixed Frequency
1 Hz to 100 kHz
25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
Model
5BAF-LPBU8
5BAF-LPBU6
5BAF-LPBU4
Product Specifications
Transfer Function
8-Pole Butterworth
6-Pole Butterworth
4-Pole Butterworth
Size
Std. 5B
Std. 5B
Std. 5B
Range fc
1.00 Hz to 100 kHz
1.00 Hz to 100 kHz
1.00 Hz to 100 kHz
Theoretical Transfer
Appendix A
Appendix A
Appendix A
Characteristics
Page 9
Page 8
Page 7
Passband Ripple
(theoretical)
0.0 dB
0.0 dB
0.0 dB
DC Voltage Gain
(non-inverting)
0 ± 0.1 dB typ
0 ± 0.1 dB typ
0 ± 0.1 dB typ.
Differential Gain
1 ± 0.3%
1 ± 0.3%
1 ± 0.3%
Stopband
Attenuation Rate
48 dB/octave
36 dB/octave
24 dB/octave
Accuracy fc
± 2% max.
± 2% max.
± 2% max.
Phase
-360°
-270°
-180°
Filter Attenuation
(theoretical)
0.12 dB
0.80 fc
0.29 dB
0.80 fc
0.67 dB
0.80 fc
3.01 dB
1.00 fc
3.01 dB
1.00 fc
3.01 dB
1.00 fc
60.0 dB
2.37 fc
60.0 dB
3.16 fc
60.0 dB
5.62 fc
80.0 dB
3.16 fc
80.0 dB
4.46 fc
80.0 dB
10.00 fc
Impedance
1.0 M
Ω min.
1.0 M
Ω min.
1.0 M
Ω min.
Com. Mode
Voltage Range
± 20 V
± 20 V
± 20 V
Com. Mode Rejection
Ratio @ 1 kHz
<-70 dB min.
<-70 dB min.
<-70 dB min.
Linear Voltage Range
± 10 V peak
± 10 V peak
± 10 V peak
Max. Safe Voltage
(Power ON or OFF)
± 40 V
± 40 V
± 40 V
Narrow Band Noise
(5 Hz – 100 kHz)
50 µVrms max.
50 µVrms max.
50 µVrms max.
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