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25 Locust St, Haverhill, Massachusetts 01830 • Tel: 800/252-7074, 978/374-0761 • FAX: 978/521-1839
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
8-Bit Programmable
828 Series
8-Pole
High-Pass Filters
Model
828H8B
828H8E
828H8EX
828H8EY
Product Specifications
Transfer Function
8-Pole
8-Pole, 6 zero
8-Pole, 6 zero
8-Pole, 6 zero
Butterworth
Elliptic
Elliptic
Elliptic
Size
2.0” x 2.0” x 0.5”
2.0” x 2.0” x 0.5”
2.0” x 2.0” x 0.5”
2.0” x 2.0” x 0.5”
Range fc, fr
1.0 Hz to 102.4 kHz
1.0 Hz to 102.4 kHz
1.0 Hz to 102.4 kHz
1.0 Hz to 102.4 kHz
Theoretical Transfer
Appendix A
Appendix A
Appendix A
Appendix A
Characteristics
Page 29
Page 37
Page 36
Page 38
Passband Ripple
0.0 dB
± 0.035 dB
- 0.05 dB
- 0.05 dB
(theoretical)
Voltage Gain
0 ± 0.2 dB to 100 kHz
0 ± 0.2 dB to 100 kHz
0 ± 0.2 dB to 100 kHz
0 ± 0.2 dB to 100 kHz
(non-inverting)
0 ± 0.5 dB to 120 kHz
0 ± 0.5 dB to 120 kHz
0 ± 0.5 dB to 120 kHz
0 ± 0.5 dB to 120 kHz
Power Bandwidth
120 kHz
120 kHz
120 kHz
120 kHz
Small Signal
(-6 dB) 1 MHz
(-6 dB) 1 MHz
(-6 dB) 1 MHz
(-6 dB) 1 MHz
Bandwidth
Stopband
Attenuation Rate
48 dB/octave
80 dB
80 dB
100 dB
Cutoff Frequency
fc
± 2% max.
fr
± 2% max.
fr
± 2% max.
fr
± 2% max.
Stability
± 0.01% /°c
± 0.01% /°c
± 0.01% /°c
± 0.01% /°c
Amplitude
-3 dB
-0.035 dB
-0.05dB
-0.05 dB
Phase
-360°
-323.5°
-414°
-419°
Filter Attenuation
80 dB
0.31 fc
80 dB
0.56 fr
80 dB
0.64 fr
100 dB
0.50 fr
(theoretical)
60.0 dB
0.42 fc
60.0 dB
0.60 fr
60.0 dB
0.69 fr
80.0 dB
0.55 fr
3.01 dB
1.00 fc
3.01 dB
0.88 fr
3.01 dB
0.95 fr
3.01 dB
0.94 fr
0.00 dB
2.00 fc
0.03 dB
1.00 fr
0.03 dB
1.00 fr
0.03 dB
1.00 fr
0.00 dB
2.00 fr
0.00 dB
2.00 fr
0.00 dB
2.00 fr
Phase Match1
fc - 100 kHz ± 3° max.
fr - 1.25 fr
± 4° max.
fr - 1.25 fr
± 4° max.
fr - 1.25 fr
± 4° max.
± 1.5° typ.
± 2° typ.
± 2° typ.
± 2° typ.
1.25 fr-100 kHz ± 2° max.
1.25fr -100 kHz ± 2° max.
1.25 fr-100 kHz ± 3° max.
± 1° typ.
± 1° typ.
± 1.5° typ.
Amplitude Accuracy
fc-1.25 fc
± 0.3 dB max.
fr-1.25 fr
± 0.3 dB max.
fr -1.25 fr
± 0.5 dB max. fr -1.25 fr
± 0.5 dB max.
(theoretical)
± 0.15 dB typ.
± 0.15 dB typ.
± 0.25 dB typ.
± 0.25 dB typ.
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.
< - 88 dB typ.
< - 88 dB typ.
< - 88 dB typ.
Distortion @ 1kHz
Wide Band Noise
400
µVrms typ.
400
µVrms typ.
500
µVrms typ.
500
µVrms typ.
(5 Hz - 2 MHz)
Narrow Band Noise
100
µVrms typ.
100
µVrms typ.
150
µVrms typ.
150
µVrms typ.
(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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