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