DP68L8EY-33.3KHZ 概述
32 Pin DIP 8-Pole Filters 32引脚DIP 8极点滤波器
DP68L8EY-33.3KHZ 数据手册
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PDF下载D68 & DP68 Series
1.0 Hz to 100 kHz
Fixed Frequency
32 Pin DIP
8-Pole Filters
Description
The D68 and DP68 Series of small 8-pole fixed-
frequency, precision active filters provide high
performance linear active filtering in a compact 32-
pin DIP package, with a broad range of corner
frequencies and a choice of transfer functions.
Individual D68 filters can serve in low-pass or high-
pass applications (DP68, low-pass only) or be
combined to create custom band-pass or band-
reject filters. These fully self-contained units
require no external components or adjustments.
Each model comes factory tuned to a user-specified
corner frequency between 1 Hz and 100 kHz (DP68,
1 Hz to 5 kHz) and operate with low total harmonic
distortion over a wide dynamic input voltage range
from non-critical +/-5V to +/-18V power supplies.
Features/Benefits:
• Low harmonic distortion and wide signal-to-noise
Available Low-Pass Models: . . . . . . . . . . .Page
D68L8B & DP68L8B
ratio to 16 bit resolution.
• Compact 1.8"L x 0.8"W x 0.3"H minimizes board
space requirements.
8-pole Butterworth . . . . . . . . . . . . . . . . .2
D68L8E & DP68L8E
• Plug-in ready-to-use, reducing engineering design
8-pole, 6 zero elliptic, 1.77 (-80dB) . . . .2
D68L8EX & DP68L8EX
and manufacturing cycle time.
8-pole, 6 zero elliptic, 1.56 (-80dB) . . . .2
D68L8EY & DP68L8EY
• Factory tuned, no external clocks or adjustments
needed
8-pole, 6 zero elliptic, 2.00 (-100dB) . . .2
D68L8L & DP68L8L
• Broad range of transfer characteristics and corner
frequencies to meet a wide range of applications.
8-pole Bessel. . . . . . . . . . . . . . . . . . . . .3
D68L8D60 & DP68L8D60
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
• Acoustic and vibration analysis and control
• Noise elimination
8-pole constant delay (-60 dB) . . . . . . . .3
D68L8D & DP68L8D
8-pole constant delay (-80 dB) . . . . . . . .3
D68L8D10 & DP68L8D10
8-pole constant delay (-100 dB) . . . . . . .3
Available High-Pass Models: . . . . . . . . . . . . . . . .
D68H8B 8-pole Butterworth . . . . . . . . . . . . . . . . .4
D68H8E 8-pole, 6 zero elliptic, 1.77 (-80dB) . . . .4
D68H8EX 8-pole, 6 zero elliptic, 1.56 (-80dB) . . . .4
D68H8EY 8-pole, 6 zero elliptic, 2.00 (-100dB) . . . .4
General Specifications:
. . . . . . . . . . . . . . . .
Pin-out/package data & ordering information . . . . . .5
• Signal reconstruction
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
D68 & DP68 Series
8-Pole
Low-Pass Filters
Fixed Frequency
Model
D68L8B & DP68L8B
D68L8E & DP68L8E
D68L8EX & DP68L8EX
D68L8EY & DP68L8EY
Product Specifications
Transfer Function
8-Pole, Butterworth
1.8” x 0.8” x 0.3”
8-Pole, 6 zero,
Elliptic
8-Pole, 6 zero,
Elliptic
8-Pole, 6 zero,
Elliptic
Size
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
Range fc, fr
D68
1 Hz to 100 kHz
1 Hz to 5 kHz
1 Hz to 100 kHz
1 Hz to 5 kHz
1 Hz to 100 kHz
1 Hz to 5 kHz
1 Hz to 100 kHz
1 Hz to 5 kHz
DP68
Theoretical Transfer
Characteristics
Appendix A
Page 9
Appendix A
Page 24
Appendix A
Page 23
Appendix A
Page 25
Passband Ripple
(theoretical)
0.0 dB
0.035 dB
-0.05 dB
-0.05 dB
DC Voltage Gain
(non-inverting)
0
0
0.1 dB max.
0.05 dB typ.
0
0
0.1 dB max.
0.05 dB typ.
0
0
0.1 dB max.
0.05 dB typ.
0
0
0.1 dB max.
0.05 dB typ.
Stopband
Attenuation Rate
48 dB/octave
80 dB min.
80 dB min.
100 dB min.
Cutoff Frequency
Stability
Amplitude
Phase
fc
1% max.
fr
1% max.
fr
1% 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)
0.12 dB
3.01 dB
60.0 dB
80.0 dB
0.80 fc
1.00 fc
2.37 fc
3.16 fc
0.035 dB
3.01 dB
60.0 dB
80.0 dB
1.00 fr
1.13 fr
1.67 fr
1.77 fr
0.05 dB
3.01 dB
60.0 dB
80.0 dB
1.00 fr 0.05 dB
1.00 fr
1.06 fr
1.83 fr
2.00 fr
1.05 fr 3.01 dB
1.45 fr 80.0 dB
1.56 fr 100.0 dB
1
Phase Match
0 - 0.8 fc
2° max.
1° typ.
3° max.
1.5° typ.
0 - 0.8 fr
2° max. 0 - 0.8 fr
1° typ.
3° max. 0 - 0.8 fr
1.5° typ.
4° max. 0.8 fr - 1.0 fr
2° typ.
3° max.
1.5° typ.
4° max.
2° typ.
0.8 fc - 1.0 fc
0.8 fr - 1.0 fr
4° max.
2° typ.
0.8 fr - 1.0 fr
Amplitude Accuracy
(theoretical)
0 - 0.8 fc
0.2 dB max. 0 - 0.8 fr
0.1 dB typ.
0.2 dB max. 0 - 0.8 fr
0.1 dB typ.
0.2 dB max. 0 - 0.8 fr
0.1 dB typ.
0.2 dB max.
0.1 dB typ.
0.5 dB max.
0.25 dB typ.
0.8 fc - 1.0 fc 0.3 dB max. 0.8 fr - 1.0 fr
0.15 dB typ.
0.3 dB max. 0.8 fr - 1.0 fr 0.5 dB max. 0.8 fr - 1.0 fr
0 .15 dB typ.
0.25 dB typ.
Total Harmonic
Distortion @ 1 kHz
D68
<-100 dB typ.
<-80 dB typ.
<-88 dB typ.
<-80 dB typ.
<-88 dB typ.
<-80 dB typ.
<-88 dB typ.
<-80 dB typ.
DP68
Wide Band Noise
(5 Hz - 2 MHz)
200 mVrms typ.
200 mVrms typ.
250 mVrms typ.
250 mVrms typ.
Narrow Band Noise
(20 Hz - 100 kHz)
50 mVrms typ.
50 mVrms typ.
75 mVrms typ.
75 mVrms typ.
Filter Mounting
Assembly
FMA-01A
FMA-01A
FMA-01A
FMA-01A
1. Unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same manufacturing lot.
2
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
D68 & DP68 Series
8-Pole
Low-Pass Filters
Fixed Frequency
Model
D68L8L & DP68L8L
D68L8D60 & DP68L8D60
D68L8D & DP68L8D
D68L8D10 & DP68L8D10
Product Specifications
Transfer Function
8-Pole, Bessel
8-Pole, 6 zero,
Constant Delay
8-Pole, 6 zero,
Constant Delay
8-Pole, 6 zero,
Constant Delay
Size
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
Range fc
D68
1 Hz to 100 kHz
1 Hz to 5 kHz
1 Hz to 100 kHz
1 Hz to 5 kHz
1 Hz to 100 kHz
1 Hz to 5 kHz
1 Hz to 100 kHz
1 Hz to 5 kHz
DP68
Theoretical Transfer
Characteristics
Appendix A
Page 4
Appendix A
Page 20
Appendix A
Page 21
Appendix A
Page 22
Passband Ripple
(theoretical)
0.0 dB
0.15 dB
0.15 dB
0.15 dB
DC Voltage Gain
(non-inverting)
0
0
0.1 dB max.
0.05 dB typ.
0
0
0.1 dB max.
0.05 dB typ.
0
0
0.1 dB max.
0.05 dB typ.
0
0
0.1 dB max.
0.05 dB typ.
Stopband
Attenuation Rate
48 dB/octave
60 dB min.
80 dB min.
100 dB min.
Cutoff Frequency
Stability
Amplitude
Phase
fc
1% max.
fc
1% max.
fc
1% max.
fc
2% max.
0.01% /°C
-3dB
0.01% /°C
-3dB
0.01% /°C
-3dB
0.01% /°C
-3dB
-182°
-306°
-306°
-311°
Filter Attenuation
(theoretical)
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
2.28 fc
2.64 fc
3.01 dB
60.0 dB
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
1
Phase Match
0 - fc
2° max.
1° typ.
0 - fc
2° max.
1° typ.
0 - fc
2° max.
1° typ.
0 - fc
2° max.
1° typ.
Amplitude Accuracy
(theoretical)
0 - fc
0.2 dB max. 0 - 0.8 fc
0.1 dB typ.
0.2 dB max. 0 - 0.8 fc
0.1 dB typ.
0.2 dB max. 0 - 0.8 fc
0.1 dB typ.
0.2 dB max.
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.
Total Harmonic
Distortion @ 1 kHz
D68
<-100 dB typ.
<-80 dB typ.
<-100 dB typ.
<-80 dB typ.
<-100 dB typ.
<-80 dB typ.
<-100 dB typ.
<-80 dB typ.
DP68
Wide Band Noise
200 mVrms typ.
50 mVrms typ.
200 mVrms typ.
200 mVrms typ.
200 mVrms typ.
(5 Hz - 2 MHz)
Narrow Band Noise
(20 Hz - 100 kHz)
50 mVrms typ.
50 mVrms typ.
50 mVrms typ.
Filter Mounting
Assembly
FMA-01A
FMA-01A
FMA-01A
FMA-01A
1. Unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same manufacturing lot.
3
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
D68 & DP68 Series
8-Pole
High-Pass Filters
Fixed Frequency
Model
D68H8B
D68H8E
D68H8EX
D68H8EY
Product Specifications
Transfer Function
8-Pole, Butterworth
1.8” x 0.8” x 0.3”
8-Pole, 6 Zero,
Elliptic
8-Pole, 6 Zero,
Elliptic
8-Pole, 6 zero,
Elliptic
Size
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
1.8” x 0.8” x 0.3”
Range fc, fr
D68
1 Hz to 100 kHz
Not Available
1 Hz to 100 kHz
Not Available
1 Hz to 100 kHz
Not Available
1 Hz to 100 kHZ
Not Available
DP68
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
Stopband
Attenuation Rate
48 dB/octave
120 kHz
80 dB
80 dB
100 dB
Power Bandwidth
120 kHz
120 kHz
120 kHz
Small Signal Bandwidth (-6dB) 1 MHz
(-6dB) 1 MHz
(-6dB) 1 MHz
(-6dB) 1 MHz
Cutoff Frequency
Stability
Amplitude
Phase
fc
1% max.
fr
1% max.
fr
1% max.
fr
2% max.
0.01% /°C
0.01% /°C
-0.035 dB`
-323.5°
0.01% /°C
-0.05 dB
-414°
0.01% /°C
-0.05 dB
-419°
-3 dB
-360°
Filter Attenuation
(theoretical)
80.0 dB
60.0 dB
3.01 dB
0.00 dB
0.31 fc
0.42 fc
1.00 fc
2.00 fc
80.0 dB
60.0 dB
3.01 dB
0.03 dB
0.00 dB
0.56 fr
0.60 fr
0.88 fr
1.00 fr
2.00 fr
80.0 dB
60.0 dB
3.01 dB
0.05 dB
0.00 dB
0.64 fr 100.0 dB
0.50 fr
0.55 fr
0.94 fr
1.00 fr
2.00 fr
0.69 fr 80.0 dB
0.95 fr 3.01 dB
1.00 fr 0.03 dB
2.00 fr 0.00 dB
1
Phase Match
fc - 100 kHz
3° max. 0 - 1.25 fr
1.5° typ.
4° max. 0 - 1.25 fr
2° typ.
2° max. 1.25 fr-100 kHz
1° typ.
4° max. 0 - 1.25 fr
2° typ.
2° max. 1.25 fr-100 kHz
1° typ.
4° max.
2° typ.
3° max.
1.5° typ.
1.25 fr-100 kHz
Amplitude Accuracy
(theoretical)
1.0 - 1.25 fc
0.3 dB max. 1.00 - 1.25 fr 0.3 dB max. 1.00 - 1.25 fr 0.5 dB max. 1.00 - 1.25 fr
0.15 dB typ. 0.15 dB typ. 0.25 dB typ.
0.5 dB max
0.25 dB typ
1.25 fc-100 kHz 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
Distortion @ 1 kHz
D68
<-88 dB typ.
<-88 dB typ.
<-88 dB typ.
<-88 dB typ.
Wide Band Noise
(5 Hz - 2 MHz)
400 mVrms
400 mVrms typ.
500 mVrms typ.
500 mVrms typ.
Narrow Band Noise
(20 Hz - 100 kHz)
100 mVrms typ.
100 mVrms typ.
150 mVrms typ.
150 mVrms typ.
Filter Mounting
Assembly
FMA-01A
FMA-01A
FMA-01A
FMA-01A
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
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
D68 & DP68 Series
Pin-Out and Package Data
Ordering Information
Specification
(25°C and Vs ± 15 Vdc)
Analog Input Characteristics1
Impedance
Voltage Range
Max. Safe Voltage
0.80
10 kW min.
± 10 Vpeak
± Vs
Side View
All dimensions are in inches
All case dimensions ± 0.01"
0.025 dia.
Analog Output Characteristics
1.80
Impedance(Closed Loop)
1 W typ.
10 W max.
± 10 V
0.30
Front View
Linear Operating Range
Maximum Current2
Offset Voltage3
0.15 (min)
± 2 mA
0.80
0.70
2 mV typ.
20 mV max.
4
OUT
+VS
-VS
OS
Offset Temp. Coeff.
50 mV / °C
Bottom View
Power Supply (±V)
Rated Voltage
Operating Range
Maximum Safe Voltage
Quiescent Current D68
GND
IN
0.10
0.00
± 15 Vdc
± 5 to ± 18 Vdc
± 18 Vdc
Filter Mounting Assembly-See FMA-01A
± 25 mA typ.
± 40 mA max.
Ordering Information
Quiescent Current DP68
Transfer Function
B - Butterworth
Filter Type
L - Low Pass
H - High Pass
± 7 mA typ.
± 10 mA max.
L - Bessel
Temperature
Operating
Storage
D - constant delay (-80 dB)
D60 - constant delay (-60 dB)
D10 - constant delay (-100 dB)
E - elliptic 1.77 (-80 dB)
EX - elliptic 1.56 (-80 dB)
-
0 to + 70 °C
- 25 to + 85 °C
D68L8B-849EHY -zelliptic 2.00 (-100 dB)
DC Offset Adjustment
± Vs
Do not connect
if trim is not
required.
Power Level
- 3 dB Corner Frequency5
D – Standard Power
DP – Low Power
e.g., 849 Hz
2.50 kHz
20 k W
(Cermet)
OS
Notes:
33.3 kHz
1. Input and output signal voltage referenced to supply common.
2. Output is short circuit protected to common. DO NOT CONNECT TO ±Vs.
3. Adjustable to zero.
- Vs
4. Units operate with or with out offset pin connected.
5. How to Specify Corner Frequency:
Corner frequencies are specified by attaching a three digit frequency
designator to the basic model number. Corner frequencies can range from
1.00 Hz to 100 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-00D68-02
5
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-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
-0.0
-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
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
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 Fax on Demand: 978/521-5178
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
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 Fax on Demand: 978/521-5178
8-Pole, 6-Zero
Constant Delay
Appendix A
Low-Pass (60 dB)
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
0.00
0.00
-28.0
-55.9
-83.9
-112
.776
.776
.776
.776
.776
0.005
0.012
0.005
-0.042
0.50
0.60
0.70
0.80
0.85
-0.161
-0.384
-0.745
-1.28
-140
-168
-196
-224
-238
.776
.776
.776
.776
.776
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
-1.62
Normalized Frequency(f/fc)
-252
-265
-279
-307
-334
0.90
0.95
1.00
1.10
1.20
-2.02
-2.48
-3.01
-4.29
-5.91
.776
.775
.773
.766
.749
Delay (Normalized)
1.0
0.5
0.0
1.40
1.60
1.80
2.00
2.25
-10.3
-15.9
-22.4
-29.4
-39.0
-386
-431
-467
-495
-523
.675
.558
.443
.351
.268
2.50
2.75
3.00
3.25
3.50
-50.5
-78.0
-63.7
-63.5
-66.9
-544
-561
-395
-407
-417
.212
.171
.142
.119
.102
2
3
4
0.15
1.5
3.75
4.00
4.25
4.50
4.75
-74.7
-85.0
-72.0
-67.9
-65.8
-425
-253
-259
-265
-270
.088
.077
.068
.060
.054
0.1
5 6 7 8 91.0
Normalized Time (1/f sec)
Step Response
5.00
5.25
5.50
5.75
6.00
-64.6
-63.9
-63.5
-63.3
-63.2
-275
-279
-283
-286
-289
.048
.044
.040
.036
.033
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
-0.2
6.50
7.00
8.00
9.00
10.0
-63.3
-63.7
-64.7
-66.0
-67.3
-295
-299
-307
-313
-318
.028
.024
.019
.015
.012
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
20
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 Fax on Demand: 978/521-5178
8-Pole, 6-Zero
Constant Delay
Appendix A
Low-Pass (80 dB)
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
0.00
0.00
-30.7
-61.3
-92.0
-123
.852
.852
.852
.852
.852
0.017
0.058
0.099
0.105
0.50
0.60
0.70
0.80
0.85
0.034
-0.157
-0.510
-1.07
-153
-184
-215
-245
-261
.852
.852
.852
.851
.850
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
-1.44
Normalized Frequency(f/fc)
0.90
0.95
1.00
1.10
1.20
-1.89
-2.41
-3.01
-4.50
-6.39
-276
-291
-306
-336
-365
.849
.846
.841
.821
.783
Delay (Normalized)
1.0
0.5
0.0
1.40
1.60
1.80
2.00
2.25
-11.3
-17.1
-23.2
-29.1
-36.3
-417
-459
-492
-517
-542
.656
.512
.396
.312
.239
2.50
2.75
3.00
3.25
3.50
-43.4
-50.3
-57.6
-62.5
-75.4
-561
-576
-589
-599
-608
.189
.153
.127
.107
.092
2
3
4
0.15
1.5
3.75
4.00
4.25
4.50
4.75
-98.3
-86.3
-84.1
-85.1
-87.9
-616
-442
-448
-454
-458
.079
.069
.061
.054
.049
0.1
5 6 7 8 91.0
Normalized Time (1/f sec)
Step Response
5.00
5.25
5.50
5.75
6.00
-92.8
-104
-101
-93.3
-89.9
-462
-466
-289
-293
-295
.044
.040
.036
.033
.030
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
-0.2
6.50
7.00
8.00
9.00
10.0
-86.6
-85.1
-84.1
-84.3
-84.9
-300
-305
-312
-317
-321
.026
.022
.017
.013
.011
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
21
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 Fax on Demand: 978/521-5178
8-Pole, 6-Zero
Constant Delay
Appendix A
Low-Pass (100 dB)
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.00
0.10
0.20
0.30
0.40
0.00
0.00
-31.1
-62.3
-93.4
-125
.865
.865
.865
.865
.865
-40
0.015
0.051
0.085
0.085
-60
-80
0.50
0.60
0.70
0.80
0.85
0.010
-0.182
-0.532
-1.09
-156
-187
-218
-249
-265
.865
.865
.865
.864
.863
-100
-120
2
2
3 4 5 67
0.1
3 4 5 678 1.0
10.0
-1.45
Normalized Frequency(f/fc)
0.90
0.95
1.00
1.10
1.20
-1.89
-2.41
-3.01
-4.50
-6.38
-280
-296
-311
-341
-370
.861
.857
.851
.828
.785
Delay (Normalized)
1.0
0.5
0.0
1.40
1.60
1.80
2.00
2.25
-11.2
-16.8
-22.5
-28.0
-34.5
-422
-464
-496
-520
-544
.650
.504
.389
.306
.235
2.50
2.75
3.00
3.50
4.00
-40.5
-46.1
-51.4
-61.5
-71.2
-563
-578
-591
-610
-624
.186
.151
.125
.090
.068
2
3
4
0.15
1.5
4.50
5.00
5.50
6.00
6.20
-81.3
-93.4
-142
-105
-105
-635
-643
-651
-476
-478
.054
.043
.036
.030
.028
0.1
5 6 7 8 91.0
Normalized Time (1/f sec)
Step Response
6.50
7.00
8.00
9.00
10.0
-106
-110
-122
-109
-106
-481
-486
-312
-318
-322
.025
.022
.017
.013
.011
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
-0.2
12.0
14.0
16.0
18.0
20.0
-105
-106
-107
-108
-109
-328
-333
-336
-339
-341
.007
.005
.004
.003
.003
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
22
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 Fax on Demand: 978/521-5178
8-Pole, 6-Zero
Elliptic, 1.56
Low-Pass
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
0.00
0.00
-29.7
-59.8
-90.5
-122
0.823
0.829
0.844
0.865
0.904
-0.001
-0.013
-0.040
-0.049
0.50
0.55
0.60
0.65
0.70
-0.018
-0.003
-0.002
-0.019
-0.042
-156
-174
-192
-212
-233
0.972
1.016
1.064
1.116
1.178
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.75
0.80
0.85
0.90
0.95
-0.049
-0.026
-0.001
-0.024
-0.045
-255
-279
-305
-335
-369
1.264
1.388
1.557
1.767
2.111
Delay (Normalized)
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.20
-0.050
-10.48
-25.96
-39.45
-52.87
-69.11
-89.09
-85.32
-89.95
-103.5
-95.94
-89.31
-86.44
-84.96
-84.54
-414
-531
-576
-598
-614
-624
-453
-459
-463
-465
-288
-290
-292
-295
-302
3.062
2.043
0.814
0.493
0.348
0.265
0.211
0.174
0.156
0.147
0.158
0.126
0.117
0.110
0.087
4.0
2.0
0.8
0.0
2
3
4
5 6 7 8 91.0
0.15
1.5
0.1
Normalized Time (1/f sec)
2.40
2.60
2.80
3.00
3.50
4.00
5.00
6.00
7.00
-88.65
-99.78
-99.97
-90.20
-85.09
-84.04
-84.76
-86.45
-88.31
-307
-311
-135
-139
-145
-150
-156
-160
-163
0.069
0.057
0.048
0.041
0.029
0.022
0.014
0.009
0.007
Step Response
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
8.00
9.00
10.0
-90.11
-91.82
-93.41
-165
-167
-168
0.005
0.004
0.003
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
23
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 Fax on Demand: 978/521-5178
8-Pole, 6-Zero
Elliptic, 1.77
Low-Pass
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
0.00
0.00
-25.7
-51.6
-77.9
-105
0.713
0.716
0.724
0.740
0.767
-0.004
-0.014
-0.024
-0.020
0.50
0.55
0.60
0.65
0.70
0.007
0.022
0.033
0.031
0.014
-133
-148
-163
-179
-196
0.811
0.840
0.872
0.908
0.946
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.75
0.80
0.85
0.90
0.95
-0.015
-0.041
-0.046
-0.016
-0.025
-213
-232
-251
-272
-296
0.989
1.04
1.12
1.23
1.40
Delay (Normalized)
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.20
-0.035
-1.76
-8.28
-18.4
-29.3
-40.1
-51.5
-65.2
-75.0
-113.0
-83.6
-82.0
-83.7
-87.8
-85.8
-323
-392
-467
-522
-558
-578
-594
-606
-611
-616
-440
-444
-447
-450
-280
1.65
2.14
1.86
1.19
0.753
0.517
0.381
0.296
0.265
0.239
0.217
0.198
0.182
0.168
0.126
4.0
2.0
0.8
0.0
2
3
4
5 6 7 8 91.0
0.15
1.5
0.1
Normalized Time (1/f sec)
2.40
2.60
2.80
3.00
3.50
4.00
5.00
6.00
7.00
-82.0
-83.5
-88.2
-99.9
-87.2
-83.1
-82.1
-83.1
-84.6
-289
-295
-301
-305
-134
-140
-148
-154
-157
0.099
0.081
0.067
0.057
0.040
0.030
0.018
0.013
0.009
Step Response
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
8.00
9.00
10.0
-86.2
-87.8
-89.3
-160
-163
-164
0.007
0.005
0.004
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).
0
1
2
3
4
5
Normalized Time (1/f sec)
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
24
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 Fax on Demand: 978/521-5178
8-Pole, 6-Zero
Elliptic, 2.00
Low-Pass
Appendix A
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.00
0.10
0.20
0.30
0.40
0.00
0.00
-31.9
-64.2
-97.0
-131
0.885
0.891
0.903
0.922
0.958
-40
-0.001
-0.015
-0.040
-0.042
-60
-80
0.50
0.55
0.60
0.65
0.70
-0.001
0.000
-0.007
-0.027
-0.045
-166
-185
-204
-225
-245
1.020
1.057
1.099
1.140
1.193
-100
-120
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.75
0.80
0.85
0.90
0.95
-0.040
-0.014
-0.001
-0.031
-0.036
-268
-291
-317
-346
-378
1.269
1.377
1.513
1.677
1.960
Delay (Normalized)
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.20
-0.046
-7.910
-21.06
-31.96
-41.51
-50.35
-58.90
-67.54
-72.04
-76.79
-81.93
-87.78
-95.04
-106.6
-106.0
-419
-525
-573
-597
-612
-623
-632
-639
-642
-645
-647
-650
-652
-654
-481
2.681
2.127
0.856
0.509
0.357
0.271
0.216
0.177
0.162
0.149
0.138
0.128
0.119
0.111
0.087
4.0
2.0
0.8
0.0
0.15 2
3
4
1.5
0.1
5 6 7 8 91.0
Normalized Time (1/f sec)
2.40
2.60
2.80
3.00
3.50
4.00
5.00
6.00
7.00
-121.3
-106.5
-105.0
-106.4
-123.6
-111.5
-105.4
-105.1
-106.0
-307
-311
-315
-318
-325
-149
-156
-160
-163
0.070
0.058
0.049
0.042
0.030
0.022
0.014
0.010
0.007
Step Response
1.2
1.0
0.8
0.6
0.4
0.2
-0.0
8.00
9.00
10.0
-107.3
-108.6
-110.0
-165
-167
-168
0.005
0.004
0.003
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
25
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 Fax on Demand: 978/521-5178
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
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 Fax on Demand: 978/521-5178
8-Pole, 6-Zero
Elliptic, 1.56
High-Pass
Appendix A
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
-93.4
-84.8
-86.0
-92.6
-85.0
168
156
143
310
295
0.334
0.344
0.363
0.392
0.439
0.55
0.60
0.70
0.80
0.85
-114
287
458
617
589
569
0.472
0.515
0.652
0.962
1.325
-84.1
-57.0
-32.8
-22.6
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.90
0.95
1.00
1.10
1.20
-12.3
-3.08
-0.05
-0.03
-0.01
538
483
414
341
296
2.198
3.993
3.062
1.498
1.039
1.30
1.40
1.50
1.60
1.70
-0.04
-0.05
-0.03
-0.01
0.00
264
239
219
202
188
0.773
0.612
0.505
0.426
0.364
1.80
1.90
2.00
2.50
3.00
0.00
-0.01
-0.02
-0.05
-0.05
176
165
156
122
101
0.315
0.275
0.243
0.145
0.097
4.00
5.00
6.00
7.00
8.00
-0.03
-0.01
-0.01
0.00
75.1
59.8
49.7
42.5
37.2
0.053
0.034
0.023
0.017
0.013
0.00
9.00
10.0
0.00
0.00
33.0
29.7
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
36
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 Fax on Demand: 978/521-5178
8-Pole, 6-Zero
Elliptic, 1.77
High-Pass
Appendix A
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
-89.3
-82.1
-90.6
-82.4
-87.8
164
148
131
292
450
0.440
0.459
0.495
0.559
0.671
0.55
0.60
0.70
0.80
0.85
-90.0
-60.2
-32.4
-13.1
-6.28
0.761
0.890
1.37
437
603
563
498
451
2.35
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
2.77
Normalized Frequency(f/fc)
0.90
0.95
1.00
1.10
1.20
-2.21
-0.51
-0.03
-0.01
-0.05
401
358
324
277
225
2.66
2.15
1.64
1.04
0.757
1.30
1.40
1.50
1.60
1.70
-0.03
0.01
0.03
0.03
0.03
221
201
185
172
160
0.596
0.486
0.409
0.347
0.299
1.80
1.90
2.00
2.50
3.00
0.02
0.01
0.01
-0.02
-0.02
150
141
133
105
86.9
0.260
0.229
0.203
0.123
0.083
4.00
5.00
6.00
7.00
8.00
-0.02
-0.01
-0.01
-0.01
-0.01
64.7
51.6
42.9
36.8
32.1
0.046
0.029
0.020
0.015
0.011
9.00
10.0
-0.01
0.00
28.6
25.7
0.009
0.007
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
37
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 Fax on Demand: 978/521-5178
8-Pole, 6-Zero
Elliptic, 2.00
High-Pass
Appendix A
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.10
0.20
0.30
0.40
0.50
-110
-105
-114
-110
-107
168
156
323
309
654
0.338
0.348
0.367
0.397
0.445
-40
-60
-80
0.55
0.60
0.70
0.80
0.85
-78.6
-64.6
-44.1
-26.7
-18.2
646
637
615
586
565
0.480
0.524
0.669
1.001
1.401
-100
-120
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.90
0.95
1.00
1.10
1.20
-9.46
533
478
419
352
308
2.315
3.604
2.681
1.416
1.018
-2.16
-0.046
-0.038
-0.001
1.30
1.40
1.50
1.60
1.70
-0.032
-0.046
-0.034
-0.016
-0.004
277
252
231
214
200
0.773
0.618
0.514
0.436
0.376
1.80
1.90
2.00
2.50
3.00
0.000
-0.003
-0.010
-0.042
-0.045
187
176
166
131
108
0.328
0.288
0.255
0.153
0.103
4.00
5.00
6.00
7.00
8.00
-0.028
-0.015
-0.008
-0.005
-0.003
80.6
64.2
53.4
45.7
40.0
0.057
0.036
0.025
0.018
0.014
9.00
10.0
-0.002
-0.001
35.5
31.9
0.011
0.009
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
38
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 Fax on Demand: 978/521-5178
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