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Fixed Frequency
D76 & DP76 Series
6-Pole
Low-Pass and High-Pass Filters
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
2
Model
D76L6B & DP76L6B
D76L6L & DP76L6L
Model
D76H6B
Product Specifications
Low-Pass
Low-Pass
High-Pass
Transfer Function
6-Pole, Butterworth
6-Pole, Bessel
Transfer Function
6-Pole, Butterworth,
Size
Size
D76 1.00 Hz to 1.00 kHz 1.8” x 0.8” x 0.5”
1.8” x 0.8” x 0.5”
D76
1.00 Hz to 1.00 kHz
1.8” x 0.8” x 0.5”
D76 1.01 kHz to 100 kHz 1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
D76
1.01 kHz to 100 kHz 1.8” x 0.8” x 0.3”
DP761.00 Hz to 5.00 kHz 1.8” x 0.8” x 0.5”
1.8” x 0.8” x 0.5”
Range fc
Range fc
D76
1 Hz to 100 kHz
1 Hz to 100 kHz
D76
1 Hz to 100 kHz
DP76
1 Hz to 5 kHz
1 Hz to 5 kHz
Theoretical Transfer
Appendix A
Appendix A
Theoretical Transfer
Appendix A
Characteristics
Page 8
Page 3
Characteristics
Page 28
Passband Ripple
0.0 dB
0.0 dB
Passband Ripple
0.0 dB
(theoretical)
(theoretical)
DC Voltage Gain
0 ± 0.1 dB typ.
0 ± 0.1 dB typ.
Voltage Gain
0 ± 0.1 dB to 100 kHz
(non-inverting)
(non-inverting)
Stopband
Stopband
Attenuation Rate
36 dB/octave
36 dB/octave
Attenuation Rate
36 dB/octave
Power Bandwidth
120 kHz
Small Signal Bandwidth
(-6 dB) 1 MHz
Cutoff Frequency
fc
± 2% max.
fc
± 2% max.
Cutoff Frequency
fc
± 2% max.
Stability
± 0.03% /°C
± 0.03% /°C
Stability
± 0.03% /°C
Amplitude
-3 dB
-3 dB
Amplitude
-3 dB
Phase
-270°
-155°
Phase
-270°
Filter Attenuation
0.29 dB
0.80 fc
1.89 dB
0.80 fc
Filter Attenuation
80.0 dB
.21 fc
(theoretical)
3.01 dB
1.00 fc
3.01 dB
1.00 fc
(theoretical)
60.0 dB
.32 fc
60.0 dB
3.16 fc
60.0 dB
5.41 fc
3.01 dB
1.00 fc
80.0 dB
4.64 fc
80.0 dB
7.99 fc
0.00 dB
2.50 fc
Total Harmonic
Total Harmonic
Distortion @ 1 kHz
Distortion @ 1 kHz
D76
<-70 dB
<-70 dB
D76
<-70 dB
DP76
<-70 dB
<-70 dB
Wide Band Noise
200
mVrms typ.
200
mVrms typ.
Wide Band Noise
400
mVrms typ.
(5 Hz - 2 MHz)
(5 Hz - 2 MHz)
Narrow Band Noise
50
mVrms typ.
50
mVrms typ.
Narrow Band Noise
100
mVrms typ.
(20 Hz - 100 kHz)
(20 Hz - 100 kHz)
Filter Mounting
Filter Mounting
Assembly
FMA-01A
FMA-01A
Assembly
FMA-01A
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