428 Series
8-Pole
4-Bit Programmable
High-Pass Filters
Model
428H4B
428H4E
428H4EX
428H4EY
Product Specifications
Transfer Function
8-Pole
Butterworth
8-Pole, 6 zero
Elliptic
8-Pole, 6 zero
Elliptic
8-Pole, 6 zero
Elliptic
Size
0.8” x 1.8” x 0.5”
0.8" x 1.8" x 0.5"
0.8" x 1.8" x 0.5"
0.8" x 1.8" x 0.5"
Range fc, fr
10.0 Hz to 102.4 kHz
10.0 Hz to 102.4 kHz
10.0 Hz to 102.4 kHz
10.0 Hz to 102.4 kHz
Theoretical Transfer
Characteristics
Appendix A
Page 29
Appendix A
Page 37
Appendix A
Page 36
Appendix A
Page 38
Passband Ripple
(theoretical)
0.0 dB
0.035 dB
-0.05 dB
-0.05 dB
Voltage Gain
(non-inverting)
0
0
0.2 dB to 100 kHz
0.5 dB to 120 kHz
0
0
0.2 dB to 100 kHz
0.5 dB to 120 kHz
0
0
0.2 dB to 100 kHz
0.5 dB to 120 kHz
0
0
0.2 dB to 100 kHz
0.5 dB to 120 kHz
Power Bandwidth
120 kHz
120 kHz
120 kHz
120 kHz
Small Signal
Bandwidth
(-6 dB) 1 MHz
(-6 dB) 1 MHz
(-6 dB) 1 MHz
(-6 dB) 1 MHz
Stopband
Attenuation Rate
48 dB/octave
80 dB
80 dB
100 dB
Cutoff Frequency
Stability
Amplitude
Phase
fc
2% max.
fr
2% max.
fr
2% max.
fr
2% max.
0.01% /°c
-3 dB
-360°
0.01% /°c
-0.035 dB
-323.5°
0.01% /°c
-0.05 dB
-414°
0.01% /°c
-0.05 dB
-419°
Filter Attenuation
(theoretical)
80 dB
0.31 fc
0.42 fc
1.00 fc
2.00 fc
80 dB
0.56 fr
0.60 fr
0.88 fr
1.00 fr
2.00 fr
80 dB
0.64 fr 100 dB
0.50 fr
60.0 dB
3.01 dB
0.00 dB
60.0 dB
3.01 dB
0.03 dB
0.00 dB
60.0 dB
3.01 dB
0.03 dB
0.00 dB
0.69 fr 80.0 dB
0.95 fr 3.01 dB
1.00 fr 0.03 dB
2.00 fr 0.00 dB
0.55 fr
0.94 fr
1.00 fr
2.00 fr
1
Phase Match
fc - 100 kHz
fc-1.25 fc
3° max.
1.5° typ.
fr - 1.25 fr
4° max.
2° typ.
fr - 1.25 fr
4° max.
2° typ.
fr - 1.25 fr
4° max.
2° typ.
1.25 fr-100 kHz 2° max.
1° typ.
1.25 fr-100 kHz 2° max.
1° typ.
1.25 fr-100 kHz
3° max.
1.5° typ.
Amplitude Accuracy
0.3 dB max. fr-1.25 fr
0.15 dB typ.
0.3 dB max. fr-1.25 fr
0.15 dB typ.
0.5 dB max. fr-1.25 fr
0.25 dB typ.
0.5 dB max.
0.25 dB typ.
(theoretical)
1.25 fc-100kHz 0.2 dB max. 1.25 fr-100 kHz 0.2 dB max. 1.25 fr-100 kHz 0.2 dB max. 1.25 fr-100 kHz 0.2 dB max.
0.1 dB typ.
0.1 dB typ.
0.1 dB typ.
0.1 dB typ.
Total Harmonic
< - 100 dB typ.
400 mVrms typ.
100 mVrms typ.
< - 88 dB typ.
400 mVrms typ.
100 mVrms typ.
< - 88 dB typ.
500 mVrms typ.
150 mVrms typ.
< - 88 dB typ.
500 mVrms typ.
150 mVrms typ.
Distortion @ 1 kHz
Wide Band Noise
(5 Hz - 2 MHz)
Narrow Band Noise
(5 Hz - 100 kHz)
Filter Mounting
Assembly
FMA-02A
FMA-02A
FMA-02A
FMA-02A
1. Unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same manufacturing lot.
5
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