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D828L8B-2 Datasheet, PDF (4/18 Pages) Frequency Devices, Inc. – 2" x 2" Differential Input 8-Pole Filters
D828 Series
8-Bit Programmable
8-Pole
Low-Pass Filters
Model
Product Specifications
Transfer Function
Size
Range fc
Theoretical Transfer
Characteristics
Passband Ripple
(theoretical)
DC Voltage Gain
(non-inverting)
Stopband
Attenuation Rate
Cutoff Frequency
Stability
Amplitude
Phase
Filter Attenuation
(theoretical)
Phase Match1
Amplitude Accuracy
(theoretical)
Total Harmonic
Distortion @ 1 kHz
Wide Band Noise
(5 Hz - 2 MHz)
Narrow Band Noise
(5 Hz - 100 kHz)
D828L8L
D828L8D60
D828L8D80
D828L8D10
8-Pole
Bessel
2.0” x 2.0” x 0.5”
1.0 Hz to 102.4 kHz
Appendix A
Page 4
0.0 dB
8-Pole, 6 zero
Constant Delay
2.0” x 2.0” x 0.5”
1.0 Hz to 102.4 kHz
Appendix A
Page 20
0.15 dB
8-Pole, 6 zero
Constant Delay
2.0” x 2.0” x 0.5”
1.0 Hz to 102.4 kHz
Appendix A
Page 21
0.15 dB
8-Pole, 6 zero
Constant Delay
2.0” x 2.0” x 0.5”
1.0 Hz to 102.4 kHz
Appendix A
Page 22
0.15 dB
0 ± 0.1 dB max.
0 ± 0.05 dB typ.
0 ± 0.1 dB max.
0 ± 0.05 dB typ.
0 ± 0.1 dB max.
0 ± 0.05 dB typ.
0 ± 0.1 dB max.
0 ± 0.05 dB typ.
48 dB/octave
60 dB min.
80 dB min.
100 dB min.
fc
± 0.01% /°c
-3 dB
-182°
± 2% max.
fc
± 0.01% /°c
-3 dB
-306°
± 2% max.
fc
± 0.01% /°c
-3 dB
-306°
± 2% max.
fc
± 0.01% /°c
-3 dB
-311°
± 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
3.01 dB
40.0 dB
60.0 dB
1.00 fc 3.01 dB
2.28 fc 60.0 dB
2.64 fc 80.0 dB
1.00 fc 3.01 dB
3.08 fc 80.0 dB
3.57 fc 100.0 dB
1.00 fc
4.45 fc
5.20 fc
0 - fc
± 2° max.
0 - fc
± 1° typ.
± 2° max.
0 - fc
± 1° typ.
± 2° max.
0 - fc
± 1° typ.
± 2° max.
± 1° typ.
0 - fc
± 0.2 dB max. 0 - 0.8 fc ± 0.2 dB max. 0 - 0.8 fc ± 0.2 dB max. 0 - 0.8 fc ± 0.2 dB max.
± 0.1 dB typ.
± 0.1 dB typ.
± 0.1 dB typ.
± 0.1 dB typ.
0.8 fc - 1.0 fc ± 0.3 dB max. 0.8 fc - 1.0 fc ± 0.3 dB max. 0.8 fc - 1.0 fc ± 0.3 dB max.
± 0.15 dB typ.
± 0.15 dB typ.
± 0.15 dB typ.
< - 100 dB typ.
< - 100 dB typ.
< - 100 dB typ.
< - 100 dB typ.
200 µVrms typ.
200 µVrms typ.
200 µVrms typ.
200 µVrms typ.
50 µVrms typ.
50 µVrms typ.
50 µVrms typ.
50 µVrms typ.
1.Unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same manufacturing lot.
4
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