D70 Series
Fixed Frequency
Model
Product Specifications
Transfer Function
Size
Range f
c
Theoretical Transfer
Characteristics
Passband Ripple
(theoretical)
8-, 6-, 4-Pole
Low-Pass Filters
D70L6B
D70L4B
D70L8B
8-Pole, Butterworth
0.84” x 0.65” x 0.31”
100 Hz to 50 kHz
0.0 dB
0 ± 0.02 dB typ.
6-Pole, Butterworth
0.84” x 0.65” x 0.31”
100 Hz to 50 kHz
0.0 dB
0 ± 0.02 dB typ.
4-Pole, Butterworth,
0.65” x 0.51” x 0.31”
100 Hz to 50 kHz
0.0 dB
0 ± 0.02 dB typ.
DC Voltage Gain
(non-inverting)
Stopband
Attenuation Rate
Cutoff Frequency
Stability
Amplitude
Phase
Filter Attenuation
(theoretical)
48 dB/octave
f
c
± 0.02% /°C
-3 dB
-360°
0.12 dB
3.01 dB
60.0 dB
80.0 dB
± 2% max.
36 dB/octave
f
c
± 0.02% /°C
-3 dB
-270°
0.29 dB
3.01 dB
60.0 dB
80.0 dB
± 2% max.
24 dB/octave
f
c
± 0.02% /°C
-3 dB
-180°
0.67 dB
3.01 dB
60.0 dB
80.0 dB
± 2% max.
0.80 f
c
1.00 f
c
2.37 f
c
3.16 f
c
0.80 f
c
1.00 f
c
3.16 f
c
4.64 f
c
0.80 f
c
1.00 f
c
5.62 f
c
10.0 f
c
Phase Match
1
Amplitude Accuracy
1
(theoretical)
Total Harmonic
Distortion @ 1 kHz
Wide Band Noise
(20 Hz - 4 MHz)
< -90 dB
200
mVrms
typ.
50
mVrms
typ.
< -90 dB
200
mVrms
typ.
50
mVrms
typ.
< -90 dB
200
mVrms
typ.
50
mVrms
typ.
Narrow Band Noise
(5 Hz - 50 kHz)
Filter Mounting
Assembly
FMA-01A
FMA-01A
FMA-01A
1. Phase Match and Amplitude Accuracy are within ±2% max., ±1% typ. of the theoretical transfer characteristics.
2
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