D70H6B-33.3KHZ [FREQUENCYDEVICES]
100 Hz to 50 kHz Fixed Frequency;
| 型号： | D70H6B-33.3KHZ |
| 厂家： | 
FREQUENCY DEVICES, INC. |
| 描述： | 100 Hz to 50 kHz Fixed Frequency 光电二极管 |
| 文件： | 总14页 (文件大小：677K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
D70 Series
DIP Filters
100 Hz to 50 kHz
Fixed Frequency
8-, 6-, 4-Pole Filters
Description
The D70 Series of small, fixed-frequency, linear
active DIP filters provide high performance linear,
multi-pole filtering in a compact package, with a
broad range of pole configurations. These
Butterworth and Bessel low-pass and Butterworth
high-pass filters combine the excellent performance
of linear multi-pole filter design with the space sav-
ing of the dual in-line package (DIP). Each model
comes factory tuned to a user-specified corner fre-
quency between 100Hz and 50kHz. These fully
self-contained units require no external compo-
nents or adjustments. They operate with dynamic
input voltage range from non-critical ±5V to ±18V
power supplies.
Features/Benefits:
• Compact DIP design minimizes board space
requirements
• Plug-in ready-to-use, reducing engineering
design and manufacturing time
• Factory tuned, no external clocks or adjustments
needed
• Low harmonic distortion and wide signal-to-noise
ratio to 14 bit resolution
Available Low-Pass Models: . . . . . . . . . . .Page
• Broad range of pole configurations and corner fre-
D70L8B 8-pole Butterworth . . . . . . . . . . . . . . .2
D70L6B 6-pole Butterworth . . . . . . . . . . . . . . .2
D70L4B 4-pole Butterworth . . . . . . . . . . . . . . .2
D70L8L 8-pole Bessel . . . . . . . . . . . . . . . . . . .3
D70L6L 6-pole Bessel . . . . . . . . . . . . . . . . . . .3
D70L4L 4-pole Bessel . . . . . . . . . . . . . . . . . . .3
quencies to meet a wide range of applications
Applications
• Anti-alias filtering
• Data acquisition systems
• Communication systems and electronics
• Medical electronics equipment and research
• Aerospace, navigation and sonar applications
• Sound and vibration testing
• Real and compressed time data analysis
• Noise elimination
• Signal reconstruction
Available High-Pass Models:
D70H8B 8-pole Butterworth . . . . . . . . . . . . . . .4
D70H6B 6-pole Butterworth . . . . . . . . . . . . . . .4
D70H4B 4-pole Butterworth . . . . . . . . . . . . . . .4
General Specifications:
Pin-out/package data & ordering information . . . .5
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
D70 Series
8-, 6-, 4-Pole
Fixed Frequency
Low-Pass Filters
Model
D70L8B
D70L6B
D70L4B
Product Specifications
Transfer Function
Size
8-Pꢂleꢁ Butterwꢂrth
0.84” ꢀ 0.65” ꢀ 0.31”
100 Hz tꢂ 50 kHz
6-Pꢂleꢁ Butterwꢂrth
0.84” ꢀ 0.65” ꢀ 0.31”
100 Hz tꢂ 50 kHz
4-Pꢂleꢁ Butterwꢂrthꢁ
0.65” ꢀ 0.51” ꢀ 0.31”
100 Hz tꢂ 50 kHz
Range fc
Theoretical Transfer
Characteristics
Appendiꢀ A
Page 9
Appendiꢀ A
Page 8
Appendiꢀ A
Page 7
Passband Ripple
(theꢂretical)
0.0 dB
0.0 dB
0.0 dB
DC Voltage Gain
(nꢂn-inverting)
0 ± 0.0± dB typ.
0 ± 0.0± dB typ.
0 ± 0.0± dB typ.
Stopband
Attenuation Rate
48 dB/ꢂctave
36 dB/ꢂctave
±4 dB/ꢂctave
Cutoff Frequency
Stability
Amplitude
Phase
ꢃc
± ±2 maꢀ.
ꢃc
± ±2 maꢀ.
ꢃc
± ±2 maꢀ.
± 0.0±2 /°C
-3 dB
± 0.0±2 /°C
-3 dB
± 0.0±2 /°C
-3 dB
-360°
-±70°
-180°
Filter Attenuation
(theꢂretical)
0.1± dB
3.01 dB
60.0 dB
80.0 dB
0.80 ꢃc
1.00 ꢃc
±.37 ꢃc
3.16 ꢃc
0.±9 dB
3.01 dB
60.0 dB
80.0 dB
0.80 ꢃc
1.00 ꢃc
3.16 ꢃc
4.64 ꢃc
0.67 dB
3.01 dB
60.0 dB
80.0 dB
0.80 ꢃc
1.00 ꢃc
5.6± ꢃc
10.0 ꢃc
1
Phase Match
1
Amplitude Accuracy
(theꢂretical)
Total Harmonic
Distortion @ 1 kHz
< -90 dB
< -90 dB
< -90 dB
Wide Band Noise
(±0 Hz - 4 MHz)
±00 mVrms typ.
±00 mVrms typ.
±00 mVrms typ.
Narrow Band Noise
(5 Hz - 50 kHz)
50 mVrms typ.
50 mVrms typ.
50 mVrms typ.
Filter Mounting
Assembly
FMA-01A
FMA-01A
FMA-01A
1. Phase Match and Amplitude Accuracy are within ±±2 maꢀ.ꢁ ±12 typ. ꢂꢃ the theꢂretical transꢃer characteristics.
2
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
D70 Series
8-, 6-, 4-Pole
Fixed Frequency
Low-Pass Filters
Model
D70L8L
D70L6L
D70L4L
Product Specifications
Transfer Function
Size
8-Pꢂleꢁ Bessel
6-Pꢂleꢁ Bessel
4-Pꢂleꢁ Bessel
0.84” ꢀ 0.65” ꢀ 0.31”
100 Hz tꢂ 50 kHz
0.84” ꢀ 0.65” ꢀ 0.31”
100 Hz tꢂ 50 kHz
0.65” ꢀ 0.51” ꢀ 0.31”
100 Hz tꢂ 50 kHz
Range fc
Theoretical Transfer
Characteristics
Appendiꢀ A
Page 4
Appendiꢀ A
Page 3
Appendiꢀ A
Page ±
Passband Ripple
(theꢂretical)
0.0 dB
0.0 dB
0.0 dB
DC Voltage Gain
(nꢂn-inverting)
0 ± 0.0± dB typ.
0 ± 0.0± dB typ.
0 ± 0.0± dB typ.
Stopband
Attenuation Rate
48 dB/ꢂctave
36 dB/ꢂctave
±4 dB/ꢂctave
Cutoff Frequency
Stability
Amplitude
Phase
ꢃc
± ±2 maꢀ. ꢃc
± ±2 maꢀ. ꢃc
± ±2 maꢀ.
± 0.0±2 /°C
-3 dB
± 0.0±2 /°C
-3 dB
± 0.0±2 /°C
-3 dB
-18±°
-155°
-1±1°
Filter Attenuation
(theꢂretical)
1.91 dB
3.01 dB
60.0 dB
80.0 dB
0.80 ꢃc
1.00 ꢃc
4.5± ꢃc
6.07 ꢃc
1.89 dB
3.01 dB
60.0 dB
80.0 dB
0.80 ꢃc
1.00 ꢃc
5.41 ꢃc
7.99 ꢃc
1.86 dB
3.01 dB
60.0 dB
80.0 dB
0.80 ꢃc
1.00 ꢃc
8.48 ꢃc
15.1± ꢃc
1
Phase Match
1
Amplitude Accuracy
(theꢂretical)
Total Harmonic
Distortion @ 1 kHz
< -90 dB
< -90 dB
< -90 dB
Wide Band Noise
±00 mVrms typ.
50 mVrms typ.
±00 mVrms typ.
50 mVrms typ.
±00 mVrms typ.
50 mVrms typ.
Narrow Band Noise
Filter Mounting
Assembly
FMA-01A
FMA-01A
FMA-01A
1. Phase Match and Amplitude Accuracy are within ±±2 maꢀ.ꢁ ±12 typ. ꢂꢃ the theꢂretical transꢃer characteristics.
3
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
D70 Series
8-, 6-, 4-Pole
Fixed Frequency
High-Pass Filters
Model
D70H8B
D70H6B
D70H4B
Product Specifications
Transfer Function
Size
8-Pꢂleꢁ Butterwꢂrth
0.84” ꢀ 0.65” ꢀ 0.31”
100 Hz tꢂ 50 kHz
6-Pꢂleꢁ Butterwꢂrth
0.84” ꢀ 0.65” ꢀ 0.31”
100 Hz tꢂ 50 kHz
4-Pꢂleꢁ Butterwꢂrth
0.65” ꢀ 0.51” ꢀ 0.31”
100 Hz tꢂ 50 kHz
Range fc
Theoretical Transfer
Characteristics
Appendiꢀ A
Page ±9
Appendiꢀ A
Page ±8
Appendiꢀ A
Page ±7
Passband Ripple
(theꢂretical)
0.0 dB
0.0 dB
0.0 dB
Voltage Gain
0 ± 0.0± dB typ.
1±0 kHz
0 ± 0.0± dB typ.
0 ± 0.0± dB typ.
(nꢂn-inverting)
Power Bandwidth
1±0 kHz
1±0 kHz
Small Signal Bandwidth (-6dB) 1 MHz
(-6dB) 1 MHz
(-6dB) 1 MHz
Stopband
Attenuation Rate
48 dB/ꢂctave
36 dB/ꢂctave
±4 dB/ꢂctave
Cutoff Frequency
Stability
Amplitude
Phase
ꢃc
± ±2 maꢀ. ꢃc
± ±2 maꢀ. ꢃc
± ±2 maꢀ.
± 0.0±2 /°C
-3 dB
± 0.0±2 /°C
-3 dB
± 0.0±2 /°C
-3 dB
-360°
-±70°
-180°
Filter Attenuation
(theꢂretical)
80 dB
60 dB
3.01 dB
00.0 dB
0.31 ꢃc
0.4± ꢃc
1.00 ꢃc
±.00 ꢃc
80 dB
60 dB
3.01 dB
00.0 dB
0.±1 ꢃc
0.3± ꢃc
1.00 ꢃc
±.50 ꢃc
80 dB
60 dB
3.01 dB
00.0 dB
0.10 ꢃc
0.18 ꢃc
1.00 ꢃc
4.0 ꢃc
1
Phase Match
1
Amplitude Accuracy
(theꢂretical)
Total Harmonic
Distortion @ 1 kHz
< -80 dB
< -80 dB
< -80 dB
Wide Band Noise
(±0 Hz - 4 MHz)
400 mVrms typ.
400 mVrms typ.
400 mVrms typ.
Narrow Band Noise
(±0 Hz - 100 kHz)
100 mVrms typ.
100 mVrms typ.
100 mVrms typ.
Filter Mounting
Assembly
FMA-01A
FMA-01A
FMA-01A
1. Phase Match and Amplitude Accuracy are within ±±2 maꢀ.ꢁ ±12 typ. ꢂꢃ the theꢂretical transꢃer characteristics.
4
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
D70 Series
Pin-Out and Package Data
Ordering Information
Specification
(25°C and Vs ± 15 Vdc)
1
Analog Input Characteristics
Impedance
10 kW min.
Voltage Range
Max. Safe Voltage
± 10 Vpeak
± Vs
Analog Output Characteristics
Impedance
1 W
Linear Operating Range
± 10 V
2
Maximum Current
± 10 mA
± 10 mV
50 mV /°C
3
Offset Voltage
Offset Temp. Coeff.
Power Supply (±Vs)
Rated Voltage
Operating Range
Maximum Safe Voltage
Quiescent Current (max.)
8 Pole
± 15 Vdc
± 5 to ± 18 Vdc
± 18 Vdc
± 18 mA
± 15 mA
± 10 mA
6 Pole
4 Pole
Temperature
Operating
Storage
0 to + 70°C
- 25 to + 85°C
Notes:
1. Input and output signal voltage referenced to supply
common.
Recommend PC board hole 0.025”
Filter Mounting Assembly-See FMA-01A
2. Output is short circuit protected to common.
DO NOT CONNECT TO ±VS.
3. Adjustable to zero.
Ordering Information
Filter Type
Transfer Function
L - Low Pass
H - High Pass
B - Butterworth
L - Bessel
Optional Offset Adjustment
D70L8B-849 Hz
-3 dB Corner Frequency4
No. of Poles
8
6
4
e.g., 849 Hz
2.50 kHz
33.3 kHz
4. How to specify Corner Frequencies:
Corner frequencies are specified by attaching a three digit frequency designa-
tor to the basic model number. Corner frequencies can range from 100 Hz to
50.0 kHz.
We hope the information given here will be helpful. The information is based on data and our best knowledge, and we consider the information to be true and accurate. Please read all statements,
recommendations or suggestions herein in conjunction with our conditions of sale which apply to all goods supplied by us. We assume no responsibility for the use of these statements,
recommendations or suggestions, nor do we intend them as a recommendation for any use which would infringe any patent or copyright.
IN-00D70-01
5
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
Low-Pass
4-Pole
Bessel
Appendix A
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
-40
-60
-80
-100
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.00
0.10
0.20
0.30
0.40
0.50
0.00
0.00
-12.1
-24.2
-36.3
-48.4
-60.6
.336
.336
.336
.336
.336
.336
-0.028
-0.111
-0.251
-0.448
-0.705
0.60
0.70
0.80
0.85
0.90
-1.02
-1.41
-1.86
-2.11
-2.40
-72.7
-84.8
-96.8
-103
-109
.336
.336
.335
.334
.333
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.95
1.00
1.10
1.20
1.30
-2.69
-3.01
-3.71
-4.51
-5.39
-115
-121
-133
-144
-156
.332
.330
.325
.318
.308
Delay (Normalized)
1.0
0.5
0.0
-166
-177
-187
-195
-204
1.40
1.50
1.60
1.70
1.80
-6.37
-7.42
-8.54
-9.71
-10.9
.295
.280
.263
.246
.228
1.90
2.00
2.25
2.50
2.75
-12.2
-13.4
-16.5
-19.5
-22.4
-212
-219
-235
-248
-259
.211
.194
.158
.129
.107
2
3
4
0.1
5 6 7 8 91.0
0.15
1.5
-267
-275
-281
-291
-305
3.00
3.25
3.50
4.00
5.00
-25.1
-27.6
-30.0
-34.4
-41.9
.089
.076
.065
.049
.031
Normalized Time (1/f sec)
Step Response
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
-0.2
6.00
7.00
8.00
9.00
10.0
-48.1
-53.4
-58.0
-62.0
-65.7
-315
-321
-326
-330
-333
.021
.016
.012
.009
.008
1.Normalized Group Delay:
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
0
1
2
3
4
5
Normalized Time (1/f sec)
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
2
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
Low-Pass
6-Pole
Bessel
Appendix A
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
-40
-60
-80
-100
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.00
0.10
0.20
0.30
0.40
0.50
0.00
0.00
-15.5
-31.0
-46.5
-62.0
-77.4
.430
.430
.430
.430
.430
.430
-0.029
-0.116
-0.261
-0.465
-0.728
0.60
0.70
0.80
0.85
0.90
-1.05
-1.44
-1.89
-2.15
-2.42
-92.9
-108
-124
-132
-139
.430
.430
.430
.430
.430
2 3 4 5678
1.0
2 3 4 567
10.0
0.1
Normalized Frequency(f/fc)
0.95
1.00
1.10
1.20
1.30
-2.70
-3.01
-3.68
-4.44
-5.29
-147
-155
-170
-186
-201
.430
.430
.429
.428
.426
Delay (Normalized)
1.0
0.5
0.0
1.40
1.50
1.60
1.70
1.80
-6.23
-7.29
-8.46
-9.74
-11.1
-216
-232
-246
-261
-275
.422
.416
.401
.393
.376
1.90
2.00
2.25
2.50
2.75
-12.6
-14.2
-18.3
-22.6
-26.7
-287
-300
-328
-351
-369
.357
.335
.279
.228
187
2
3 4 5 6 7 89
1.0
0.15
1.5
0.1
3.00
3.25
3.50
4.00
5.00
-30.7
-34.5
-38.1
-44.7
-55.9
-385
-398
-408
-426
-449
.156
.131
.111
.083
.052
Normalized Time (1/f sec)
Step Response
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
-0.2
6.00
7.00
8.00
9.00
10.0
-65.2
-73.2
-80.1
-86.2
-91.6
-465
-476
-484
-490
-495
.036
.026
.020
.015
.013
1.Normalized Group Delay:
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
Normalized Delay
Actual Delay =
0
1
2
3
4
5
Normalized Time (1/f sec)
Actual Corner Frequency (fc) in Hz
3
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
8-Pole
Bessel
Appendix A
Low-Pass
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
-40
-60
-80
-100
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.00
0.10
0.20
0.30
0.40
0.50
0.00
0.00
-18.2
-36.4
-54.7
-72.9
-91.1
.506
.506
.506
.506
.506
.506
-0.029
-0.117
-0.264
-0.470
-0.737
0.60
0.70
0.80
0.85
0.90
-1.06
-1.45
-1.91
-2.16
-2.42
-109
-128
-146
-155
-164
.506
.506
.506
.506
.506
2
2
3 4 5 6 7
0.1
3 4 5 6 781.0
10.0
Normalized Frequency(f/fc)
0.95
1.00
1.10
1.20
1.30
-2.71
-3.01
-3.67
-4.40
-5.20
-173
-182
-200
-219
-237
.506
.506
.506
.506
.506
Delay (Normalized)
1.0
0.5
0.0
1.40
1.50
1.60
1.70
1.80
-6.10
-7.08
-8.16
-9.36
-10.7
-255
-273
-291
-309
-327
.505
.504
.502
.498
.492
1.90
2.00
2.25
2.50
2.75
-12.1
-13.7
-18.1
-23.1
-28.3
-345
-362
-402
-436
-465
.482
.468
.417
.352
.291
0.15 2
3
4
5 6 7 8 9
1.5
0.1
1.0
3.00
3.25
3.50
4.00
5.00
-33.4
-38.3
-43.1
-51.8
-66.8
-489
-509
-526
-552
-587
.241
.201
.170
.126
.077
Normalized Time (1/f sec)
Step Response
1.2
1.0
0.8
0.6
0.4
0.2
6.00
7.00
8.00
9.00
10.0
-79.2
-89.8
-99.0
-107
-114
-610
-626
-638
-647
-655
.052
.038
.029
.023
.018
-0.0
-0.2
1.Normalized Group Delay:
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
0
1
2
3
4
5
Normalized Time (1/f sec)
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
4
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
Low-Pass
4-Pole
Appendix A
Butterworth
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
-40
-60
-80
-100
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.00
0.10
0.20
0.30
0.40
0.50
0.00
0.00
0.00
-15.0
-30.1
-45.5
-61.4
-78.0
.416
.418
.423
.433
.449
.474
0.00
-0.00
-0.003
-0.017
0.60
0.70
0.80
0.85
0.90
-0.072
-0.243
-0.674
-1.047
-1.555
-95.7
-115
-136
-147
-158
.511
.558
.604
.619
.622
2
2
3 4 5 6 7
0.1
3 4 5 6 781.0
10.0
Normalized Frequency(f/fc)
0.95
1.00
1.10
1.20
1.30
-2.21
-3.01
-4.97
-7.24
-9.62
-169
-180
-200
-217
-231
.612
.588
.513
.427
.350
Delay (Normalized)
2.0
1.0
0.0
1.40
1.50
1.60
1.70
1.80
-12.0
-14.3
-16.4
-18.5
-20.5
-242
-252
-260
-266
-272
.289
.241
.204
.175
.152
1.90
2.00
2.25
2.50
2.75
-22.3
-24.1
-28.2
-31.8
-35.1
-277
-282
-291
-299
-304
.134
.119
.091
.072
.059
2
3
4
5 6 7 8 91.0
0.15
1.5
0.1
3.00
3.25
3.50
4.00
5.00
-38.2
-41.0
-43.5
-48.2
-55.9
-309
-313
-317
-322
-330
.049
.041
.035
.027
.017
Normalized Frequency(f/fc)
Step Response
6.00
7.00
8.00
9.00
10.0
-62.3
-67.6
-72.2
-76.3
-80.0
-335
-339
-341
-343
-345
.012
.009
.007
.005
.004
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
1.Normalized Group Delay:
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
0
1
2
3
4
5
Normalized Time (1/f sec)
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
7
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
Low-Pass
6-Pole
Appendix A
Butterworth
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
-40
-60
-80
-100
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.00
0.10
0.20
0.30
0.40
0.50
0.00
0.00
0.00
0.00
0.00
-0.001
0.00
-22.2
-44.5
-67.2
-90.4
-115
.615
.617
.624
.637
.656
.685
0.60
0.70
0.80
0.85
0.90
-0.009
-0.060
-0.289
-0.578
-1.080
-140
-167
-198
-215
-233
.731
.803
.911
.970
1.02
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.95
1.00
1.10
1.20
1.30
-1.88
-3.01
-6.17
-9.96
-13.9
-252
-270
-304
-331
-352
1.03
1.00
.845
.660
.518
Delay (Normalized)
2.0
1.0
0.0
1.40
1.50
1.60
1.70
1.80
-17.6
-21.2
-24.5
-27.7
-30.6
-368
-382
-393
-403
-412
.417
.345
.291
.251
.219
1.90
2.00
2.25
2.50
2.75
-33.5
-36.1
-42.3
-47.8
-52.7
-419
-425
-439
-450
-458
.193
.171
.132
.105
.086
0.15 2
3
4
1.5
0.1
5 6 7 8 91.0
3.00
3.25
3.50
4.00
5.00
-57.3
-61.4
-65.3
-72.2
-83.9
-465
-471
-476
-484
-496
.071
.060
.052
.039
.025
Normalized Time (1/f sec)
Step Response
6.00
7.00
8.00
9.00
10.0
-503
-508
-512
-515
-518
.017
-93.4
-101
-108
-115
-120
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
.012
.0097
.0076
.0062
1.Normalized Group Delay:
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
0
1
2
3
4
5
Normalized Time (1/f sec)
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
8
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
Low-Pass
8-Pole
Appendix A
Butterworth
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
-40
-60
-80
-100
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.00
0.10
0.20
0.30
0.40
0.50
0.00
0.00
0.00
0.00
0.00
0.00
0.00
-29.4
-59.0
-89.1
-120
-152
.816
.819
.828
.843
.867
.903
0.60
0.70
0.80
0.85
0.90
-0.001
-0.014
-0.121
-0.311
-0.738
-185
-221
-261
-283
-307
.956
1.04
1.19
1.29
1.40
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.95
1.00
1.10
1.20
1.30
-1.58
-3.01
-7.48
-12.9
-18.2
-333
-360
-408
-445
-472
1.48
1.46
1.17
.873
.672
Delay (Normalized)
2.0
1.0
0.0
1.40
1.50
1.60
1.70
1.80
-23.4
-28.2
-32.7
-36.9
-40.8
-494
-511
-526
-539
-550
.540
.448
.380
.328
.287
1.90
2.00
2.25
2.50
2.75
-44.6
-48.2
-56.3
-63.7
-70.3
-560
-568
-586
-600
-611
.253
.226
.174
.139
.113
0.15 2
3
4
1.5
0.1
5 6 7 8 91.0
3.00
3.25
3.50
4.00
5.00
-76.3
-81.9
-87.1
-96.3
-112
-621
-629
-635
-646
-661
.094
.080
.069
.052
.033
Normalized Time (1/f sec)
Step Response
6.00
7.00
8.00
9.00
10.0
-125
-135
-144
-153
-160
-671
-678
-683
-687
-691
.023
.017
.013
.010
.008
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
1.Normalized Group Delay:
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
0
1
2
3
4
5
Normalized Time (1/f sec)
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
9
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
High-Pass
4-Pole
Appendix A
Butterworth
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
-40
-60
-80
-100
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.10
0.20
0.30
0.40
0.50
-80.0
-55.9
-41.8
-31.8
-24.1
345
330
314
299
282
.418
.423
.433
.449
.474
0.60
0.70
0.80
0.85
0.90
-17.8
-12.6
-8.43
-6.69
-5.22
264
245
224
213
202
.511
.558
.604
.619
.622
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.95
1.00
1.20
1.40
1.60
-3.99
191
180
143
118
100
.612
.588
.427
.289
.204
-3.01
-0.908
-0.285
-0.100
1.80
2.00
2.50
3.00
4.00
-0.039
-0.017
-0.003
-0.001
0.00
87.6
78.0
61.4
50.7
37.8
.152
.119
.072
.049
.027
5.00
6.00
7.00
8.00
9.00
10.0
0.00
0.00
0.00
0.00
0.00
0.00
30.1
25.1
21.4
18.8
16.7
15.0
.017
.012
.009
.007
.005
.004
1.Normalized Group Delay:
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
27
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
High-Pass
6-Pole
Appendix A
Butterworth
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
-40
-60
-80
-100
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.10
0.20
0.30
0.40
0.50
-120
518
496
473
450
425
0.617
0.624
0.637
0.656
0.685
-83.9
-62.7
-47.8
-36.1
0.60
0.70
0.80
0.85
0.90
-26.6
-18.6
-11.9
-9.05
-6.57
400
373
342
325
307
0.731
0.803
0.911
0.970
1.017
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.95
1.00
1.20
1.40
1.60
-4.55
-3.01
-0.46
-0.08
-0.02
288
270
209
172
147
1.033
1.005
0.660
0.417
0.291
1.80
2.00
2.50
3.00
4.00
-0.00
-0.00
-0.00
-0.00
0.00
128
115
90.4
74.8
55.8
0.219
0.171
0.105
0.071
0.039
5.00
6.00
7.00
8.00
9.00
10.0
0.00
0.00
0.00
0.00
0.00
0.00
44.5
37.0
31.7
27.7
24.6
22.2
0.025
0.017
0.013
0.010
0.008
0.006
1.Normalized Group Delay:
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
28
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
High-Pass
8-Pole
Appendix A
Butterworth
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
-40
-60
-80
-100
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.10
0.20
0.30
0.40
0.50
-160
-112
-83.7
-63.7
-48.2
691
661
631
600
568
0.819
0.828
0.843
0.867
0.903
0.60
0.70
0.80
0.85
0.90
-35.5
-24.8
-15.6
-11.6
-8.06
535
499
459
437
413
.956
1.04
1.19
1.29
1.40
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.95
1.00
1.20
1.40
1.60
-5.15
386
360
275
226
194
1.48
-3.01
1.46
-0.229
-0.020
-0.002
0.873
0.540
0.380
1.80
2.00
2.50
3.00
4.00
0.00
0.00
0.00
0.00
0.00
170
152
120
99.2
74.0
0.287
0.226
0.139
0.094
0.052
5.00
6.00
7.00
8.00
9.00
10.0
0.00
0.00
0.00
0.00
0.00
0.00
59.0
49.0
42.1
36.8
32.7
29.4
0.033
0.023
0.017
0.013
0.010
0.008
1.Normalized Group Delay:
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
29
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
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