D78L8B Datasheet, PDF (2/6 Pages) Frequency Devices, Inc. – 32 Pin DIP 8-Pole Filters

D78 & DP78 Series
Fixed Frequency
8-Pole
Low-Pass and High-Pass Filters
Model
D78L8B & DP78L8B
Product Specifications Low-Pass
Transfer Function
8-Pole, Butterworth
Size
D78 1.00 Hz to 1.00 kHz 1.8” x 0.8” x 0.5”
D78 1.01 kHz to 100 kHz 1.8” x 0.8” x 0.3”
DP78 1.00 Hz to 5.00 kHz 1.8” x 0.8” x 0.5”
Range fc
D78
DP78
1 Hz to 100 kHz
1 Hz to 5 kHz
Theoretical Transfer
Characteristics
Appendix A
Page 9
Passband Ripple
(theoretical)
0.0 dB
DC Voltage Gain
(non-inverting)
0 ± 0.1 dB typ.
Stopband
Attenuation Rate
48 dB/octave
Cutoff Frequency
Stability
Amplitude
Phase
Filter Attenuation
(theoretical)
Total Harmonic
Distortion @ 1 kHz
D78
DP78
Wide Band Noise
(5 Hz - 2 MHz)
Narrow Band Noise
(20 Hz - 100 kHz)
Filter Mounting
Assembly
fc
± 0.03% /°C
-3 dB
-360°
± 2% max.
0.12 dB
3.01 dB
60.0 dB
80.0 dB
0.80 fc
1.00 fc
2.37 fc
3.16 fc
<-70 dB
<-70 dB
200 mVrms typ.
50 mVrms typ.
FMA-01A
D78L8L & DP78L8L
Low-Pass
8-Pole, Bessel
1.8” x 0.8” x 0.5”
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.5”
1 Hz to 100 kHz
1 Hz to 5 kHz
Appendix A
Page 4
0.0 dB
0 ± 0.1 dB typ.
48 dB/octave
fc
± 0.03% /°C
-3 dB
-182°
± 2% max.
1.91 dB
3.01 dB
60.0 dB
80.0 dB
0.80 fc
1.00 fc
4.52 fc
6.07 fc
<-70 dB
<-70 dB
200 mVrms typ.
50 mVrms typ.
FMA-01A
Model
D78H8B
High-Pass
Transfer Function
8-Pole, Butterworth,
Size
D78 1.00 Hz to 1.00 kHz 1.8” x 0.8” x 0.5”
D78 1.01 kHz to 100 kHz 1.8” x 0.8” x 0.3”
Range fc
D78
1 Hz to 100 kHz
Theoretical Transfer
Characteristics
Passband Ripple
(theoretical)
Voltage Gain
(non-inverting)
Stopband
Attenuation Rate
Power Bandwidth
Small Signal Bandwidth
Cutoff Frequency
Stability
Amplitude
Phase
Filter Attenuation
(theoretical)
Total Harmonic
Distortion @ 1 kHz
D78
Appendix A
Page 29
0.0 dB
0 ± 0.1 dB to 100 kHz
48 dB/octave
120 kHz
(-6 dB) 1 MHz
fc
± 0.03% /°C
-3 dB
-360°
± 2% max.
80 dB
60 dB
3.01 dB
0.00 dB
.31 fc
.42 fc
1.00 fc
2.0 fc
<-70 dB
Wide Band Noise
(5 Hz - 2 MHz)
Narrow Band Noise
(20 Hz - 100 kHz)
Filter Mounting
Assembly
400 mVrms typ.
100 mVrms typ.
FMA-01A
2
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