概述
规格参数
数据手册824H8Y5-3 概述
2" x 2" 4-Pole Filters 2 “×2”四极过滤器 有源滤波器
824H8Y5-3 规格参数
| 是否Rohs认证： | 不符合 | 生命周期： | Active |
| 包装说明： | XMA, MODULE,14LEAD,1.8 | Reach Compliance Code： | unknown |
| 风险等级： | 5.78 | Is Samacsys： | N |
| JESD-30 代码： | S-XXMA-P14 | 长度： | 50.8 mm |
| 负电源电压最大值（Vsup）： | -18 V | 负电源电压最小值（Vsup）： | -12 V |
| 标称负供电电压 (Vsup)： | -15 V | 功能数量： | 1 |
| 端子数量： | 14 | 最高工作温度： | 70 °C |
| 最低工作温度： | 封装主体材料： | UNSPECIFIED | |
| 封装代码： | XMA | 封装等效代码： | MODULE,14LEAD,1.8 |
| 封装形状： | SQUARE | 封装形式： | MICROELECTRONIC ASSEMBLY |
| 认证状态： | Not Qualified | 座面最大高度： | 10.67 mm |
| 最大供电电流 (Isup)： | 20 mA | 最大供电电压 (Vsup)： | 18 V |
| 最小供电电压 (Vsup)： | 12 V | 标称供电电压 (Vsup)： | 15 V |
| 技术： | HYBRID | 温度等级： | COMMERCIAL |
| 端子形式： | PIN/PEG | 端子节距： | 5.08 mm |
| 端子位置： | UNSPECIFIED | 宽度： | 50.8 mm |
| Base Number Matches： | 1 |
824H8Y5-3 数据手册
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PDF下载824 Series
2" x 2"
1 Hz to 102.4 kHz
4-Pole Filters
8-Bit Programmable
Description
The 824 Series are digitally programmable low pass
and high pass active filters that are tunable over a
256:1 frequency range. 824 filters are available
with any one of five standard factory-set tuning
ranges up to 102.4 kHz. These units contain 8
CMOS logic inputs .
All 824 Series models are convenient, low profile,
easy to use fully finished filters which require no ex-
ternal components or adjustments. They feature low
harmonic distortion, and near theoretical phase and
amplitude characteristics. 824 filters operate from
non-critical ± 12 to ± 18 Vdc power supplies, have a
10 kW (min.) input impedance, a 10 W (max.) output.
Features/Benefits:
• Compact 2" x 2" design minimizes board space
requirements.
• Digitally programmable corner frequency allows
selecting cut-off frequencies specific to each appli-
cation.
Programmable Specifications. . . . . . . . . . . . . . Page
Digital Tuning & Control . . . . . . . . . . . . . . . . . . . . . . 2
• Plug-in ready-to-use, reducing engineering de-
sign and manufacturing cycle time.
Available Low-Pass Models:. . . . . . . . . . . . . . . . . . .
824L8B 4-pole Butterworth . . . . . . . . . . . . . . . . . . 3
824L8L
4-pole Bessel . . . . . . . . . . . . . . . . . . . . . . 3
• Factory-set tuning range, no external clocks or
adjustments needed.
824L8Y2 4-pole Cheby (0.2 dB Ripple) . . . . . . . . . . 3
824L8Y5 4-pole Cheby (0.5 dB Ripple) . . . . . . . . . . 3
• Broad range of transfer characteristics and corner
frequencies to meet a wide range of applications.
Available High-Pass Models: . . . . . . . . . . . . . . . . . .
824H8B 4-pole Butterworth . . . . . . . . . . . . . . . . . . 4
824H8Y2 4-pole Cheby (0.2 dB Ripple) . . . . . . . . . . 4
824H8Y5 4-pole Cheby (0.5 dB Ripple) . . . . . . . . . . 4
General Specifications:
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin-out/package data. . . . . . . . . . . . . . . . . . . . . . . . . 5
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
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
824 Series
Digital Tuning &
8-Bit Programmable Filters
Control Characteristics
Pin-Out Key
Digital Tuning Characteristics
IN
Analog Input Signal
D7 Tuning Bit 7 (MSB)
D6 Tuning Bit 6
D5 Tuning Bit 5
D4 Tuning Bit 4
D3 Tuning Bit 3
The digital tuning interface circuits are a parallel set of eight (8)
4053 CMOS switches which accept CMOS compatible inputs
for the eight tuning bits (D0 - D7).
OUT Analog Output Signal
GND Power and Signal Return
+Vs Supply Voltage, Positive
-Vs Supply Voltage, Negative
Filter tuning follows the tuning equation given below:
Os
Offset Adjustment
D2 Tuning Bit 2
D1 Tuning Bit 1
D0 Tuning Bit 0 (LSB)
fc = ( fmax/256 ) [ 1 + D7 x 27 + D6 x 26 + D5 x 25 + D4 x 24 + D3
x 23 + D2 x 22 + D1 x 21 + D0 x 20 ]
where D1 - D7 = "0" or "1", and
OUT +Vs
-Vs
fmax = Maximum tuning frequency;
fc = corner frequency;
D7
D6
D5
Minimum tunable frequency = fmax/256 (D0 thru D7 = 0);
Minimum frequency step (Resolution) = fmax/256
D4
GND
D3
D2
D1
D0
Data Input Specifications
2.00
Input Data Levels
(CMOS Logic)
Input Voltage (Vs = 15 Vdc)
Low Level In
High Level In
0 Vdc min.
11 Vdc min.
4 Vdc max.
15 Vdc max.
Input Current
High Level In
Low Level In
IN Os4
- 10 -5 mA typ. -1 mA max..
+10 -5 mA typ. +1 mA max.
Bottom View
Input Capacitance
Input Data Format
Positive Logic
5 pF typ
7.5 pF max.
Bit
MSB ---
---
---
---
---
---
LSB
Frequency Select Bits
Weight
Logic "1" = +Vs
Logic "0" = Gnd
27
26
25
24
23
22
21
20
fc
Corner
Frequency
D7
D6
D5
D4
D3
D2
D1
D0
Bit Weighting
D0
(Binary-Coded)
LSB (least significant bit)
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
1
1
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
0
0
0
1
1
1
1
1
1
0
0
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
fmax/256
fmax/128
fmax/64
fmax/32
fmax/16
fmax/8
D7
MSB (most significant bit)
Frequency Range
256 : 1, Binary Weighted
fmax/4
fmax/2
fmax
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
824 Series
4-Pole
Low-Pass Filters
8-Bit Programmable
Model
824L8B
824L8L
824L8Y2
824L8Y5
Product Specifications
Transfer Function
4-Pole,
Butterworth
4-Pole,
Bessel
4-Pole, Chebychev,
0.2 dB Ripple
4-Pole, Chebychev,
0.5 dB Ripple
Size, Model 2
Model 3 thru 6
2.0” x 2.0” x 0.5”
2.0” x 2.0” x 0.4”
2.0” x 2.0” x 0.5”
2.0” x 2.0” x 0.4”
2.0” x 2.0” x 0.5”
2.0” x 2.0” x 0.4”
2.0” x 2.0” x 0.5”
2.0” x 2.0” x 0.4”
Range fc
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
Characteristics
Appendix A
Page 7
Appendix A
Page 2
Appendix A
Page 12
Appendix A
Page 15
Passband Ripple
(theoretical)
0.0 dB
0.0 dB
0.20 dB
0.50 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
24 dB/octave
24 dB/octave
24 dB/octave
24 dB/octave
Cutoff Frequency
Stability
Amplitude
Phase
fc
2% max.
fc
2% max.
fc
2% max.
fc
2% max.
0.01% /°C
-3 dB
-180°
0.01% /°C
-3 dB
-121°
0.01% /°C
-3 dB
-231°
0.01% /°C
-3 dB
-245°
Filter Attenuation
(theoretical)
0.67 dB
3.01 dB
30.0 dB
40.0 dB
0.80 fc
1.00 fc
2.37 fc
3.16 fc
1.86 dB
3.01 dB
30.0 dB
40.0 dB
0.80 fc
1.00 fc
3.50 fc
4.72 fc
-0.20 dB
3.01 dB
30.0 dB
40.0 dB
0.80 fc -0.43 dB
0.80 fc
1.00 fc
1.80 fc
2.33 fc
1.00 fc 3.01 dB
1.89 fc 30.0 dB
2.46 fc 40.0 dB
1
Phase Match
0 - 0.8 fc
2° max.
1° typ.
0 - fc
2° max.
1° typ.
0 - 0.8 fc
2° max.
1° typ.
0 - 0.8 fc
2° max.
1° typ.
0.8 fc - 1.0 fc 3° max.
1.5° typ.
0.8 fc - 1.0 fc 3° max.
1.5° typ.
0.8 fc - 1.0 fc 3° max.
1.5° typ.
Amplitude Accuracy
(theoretical)
0 - 0.8 fc
0.2 dB max. 0 - 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.
0.15 dB typ.
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.
Total Harmonic
< - 100 dB typ.
200 mVrms typ.
50 mVrms typ.
< - 100 dB typ.
200 mVrms typ.
50 mVrms typ.
< - 88 dB typ.
200 mVrms typ.
50 mVrms typ.
< - 88 dB typ.
200 mVrms typ.
50 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.
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
824 Series
4-Pole
8-Bit Programmable
High-Pass Filters
Model
824H8B
824H8Y2
824H8Y5
Product Specifications
Transfer Function
4-Pole,
Butterworth
4-Pole,Chebychev,
0.2 dB Ripple
4-Pole, Chebychev,
0.5 dB Ripple
Size, Model 2
Model 3 thru 6
2.0” x 2.0” x 0.5”
2.0” x 2.0” x 0.4”
2.0” x 2.0” x 0.5”
2.0” x 2.0” x 0.4”
2.0” x 2.0” x 0.5”
2.0” x 2.0” x 0.4”
Range fc
1.0 Hz to 102.4 kHz
1.0 Hz to 102.4 kHz
1.0 Hz to 102.4 kHz
Theoretical Transfer
Characteristics
Appendix A
Page 27
Appendix A
Page 31
Appendix A
Page 33
Passband Ripple
(theoretical)
0.0 dB
0.20 dB
0.50 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
Power Bandwidth
120 kHz
120 kHz
120 kHz
Small Signal Bandwidth (-6 dB) 1 MHz
(-6 dB) 1 MHz
(-6 dB) 1 MHz
Stopband
Attenuation Rate
24 dB/octave
24 dB/octave
24 dB/octave
Cutoff Frequency
Stability
Amplitude
Phase
fc
2% max.
fc
2% max.
fc
2% max.
0.01% /°C
-3 dB
-180°
0.01% /°C
-3 dB
-231°
0.01% /°C
-3 dB
-245°
Filter Attenuation
(theoretical)
40 dB
0.31 fc
0.42 fc
1.00 fc
2.00 fc
40.0 dB
30.0 dB
3.01 dB
-0.07 dB
0.41 fc
0.53 fc
1.00 fc
40.0 dB
30.0 dB
3.01 dB
0.43 fc
0.56 fc
1.00 fc
2.00 fc
30 dB
3.01 dB
0.02 dB
2.00 fc -0.25 dB
1
Phase Match
fc - 100 kHz
3° max.
1.5° typ.
fc - 100 kHz
3° max.
1.5° typ.
fc - 100 kHz 3° max.
1.5° typ.
Amplitude Accuracy
(theoretical)
1.0 - 1.25 fc
0.3 dB max. 1.00 - 1.25 fc 0.3 dB max. 1.00 - 1.25 fc 0.3 dB max.
0.15 dB typ. 0.15 dB typ. 0.15 dB typ.
1.25 fc-100 kHz 0.2 dB max. 1.25 fc-100 kHz 0.2 dB max. 1.25 fc-100 kHz 0.2 dB max.
0.1 dB typ. 0.1 dB typ. 0.1 dB typ.
Total Harmonic
Distortion @ 1 kHz
< - 100 dB typ.
< - 88 dB typ.
< - 88 dB typ.
Wide Band Noise
400 mVrms typ.
100 mVrms typ.
400 mVrms typ.
100 mVrms typ.
400 mVrms typ.
100 mVrms typ.
Narrow Band Noise
(5 Hz - 100 kHz)
Filter Mounting
Assembly
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.
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
824 Series
Pin-Out and Package Data
Ordering Information
Pin-Out & Package Data
Specification
(25°C and Vs ± 15 Vdc)
1
Analog Input Characteristics
Impedance
Voltage Range
Max. Safe Voltage
10 kW min.
2.00
± 10 Vpeak
G-3
±Vs
0.5
0.4
G-1
Analog Output Characteristics
Impedance (Closed Loop)
0.15 min.
11 W typ.
10 W max.
± 10V
Side View
0.025 Dia.
Linear Operating Range
2
Maximum Current
Offset Voltage
± 2 mA
All dimensions are in inches
All Case Dimensions ± 0.02"
Grid Dimensions 0.1" x 0.1"
3
22 mV typ.
20 mV max.
50 mV/°C
OUT +Vs -Vs
Offset Temp. Coeff.
D7
Power Supply (±V)
Rated Voltage
Operating Range
Maximum Safe Voltage
Quiescent Current
4-Pole
D6
D5
± 15 Vdc
± 12 to ± 18 Vdc
± 18 Vdc
D4
GND
D3
D2
D1
D0
2.00
± 13 mA typ.
± 20 mA max.
Temperature
Operating
Storage
IN Os4
-20 to +70°C
-25 to +85°C
Bottom View
Filter Mounting Assembly-See FMA-02A
Notes:
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.
4. Units operate with or without offset pin connected.
Ordering Information
Filter Type
Transfer Function
L - Low Pass
H - High Pass
B - Butterworth
L - Bessel
Y2 - Chebychev (0.2 dB Ripple)
Y5 - Chebychev (0.5 dB Ripple)
DC Offset Adjustment
± Vs
Do not connect
if trim is not
required.
824L8B-3
20 k W
(Cermet)
Model Number
OS
e.g.,Model
Tuning
Minimum
Number
Range (Hz)
1.0 to 256
Step(Hz)
1.0
Case
G-3
G-1
G-1
G-1
G-1
2
3
4
5
6
10 to 2560
100 to 25.6k
200 to 51.2k
400 to 102.4k
10
100
- Vs
200
400
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-00824-02
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
Product Handling
Procedure
Programmable Filter Modules Power Sequence & ESD
November 2000
Programmable Filters Modules
818, 824, 828, 828BP, 828BR, 854, 858, R854, R858
I. Scope
The following precautions are necessary when handling and installing Frequency Devices
programmable filter modules.
II. Digital Circuit Description
The digital input pins connect directly to 4000 series CMOS logic, such as the 4053 analog switch. The
power supply (Vss) for the digital logic on the module comes directly from the +15 Volt pin on the
module. This sets the threshold voltage at 11.0 V minimum to 15.0 V maximum for a "1" (High) level
and 0.0 V minimum to 4.0 V maximum for a "0" (Low) level. Applying a voltage between 4.0 and 11.0
V will produce unpredictable operation. Connecting 5 Volt or 3.3 V logic devices directly to the filter
module without using a voltage translator will result in erratic operation of the filter.
III. (VERY IMPORTANT) Power-Up and Power-Down Sequence
Do not plug-in or un-plug module while power is applied. It is imperative that power is
supplied to the + 15 V pin on the filter module before or at the same instance that any digital pin is
pulled High (> 0.0 V). Failure to do this will result in excessive current flowing through the digital input
pin and through a protection diode internal to the 4000 logic, which will result in damage to the module.
The proper power-up and power-down sequence is:
1. Connect filter module ground.
2. Connect filter module +15 V.
3. Connect filter module -15 V.
4. Connect the input signal.
All four of the above steps can also occur simultaneously. Power-down should occur in the reverse
order.
IV. ESD Issues
Like most modern electronic equipment, the modules can be damaged by electrostatic discharge (ESD).
The modules are shipped from the factory in sealed, anti-static packaging and should be kept in the
sealed package prior to mounting on a circuit board. The following additional rules should also be
observed when handling the modules after they are removed from the factory packaging:
1. Only a person wearing a properly grounded wrist strap should handle the modules.
2. Any work surface that the modules are placed on must be properly ESD grounded.
3. Any insulating materials capable of generating static charge (such as paper) should be kept
away from the modules.
Static generating clothing should be covered with an ESD-protective smock.
1
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
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
4-Pole, 0.2 dB Ripple
Chebychev
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
0.000
0.039
0.129
0.195
0.174
0.074
0.00
-17.3
-35.2
-54.0
-73.4
-93.2
.478
.487
.509
.533
.547
.553
0.000
0.074
0.199
0.063
-0.443
0.60
0.70
0.80
0.85
0.90
-113
-135
-162
-178
-196
.575
.654
.836
.947
1.02
2
2
0.1
3 4 5 6 78 1.0
3 4 5 67810.0
Normalized Frequency(f/fc)
.989
.873
.583
.385
.271
0.95
1.00
1.10
1.20
1.30
-1.47
-3.01
-6.89
-10.8
-14.5
-214
-231
-257
-274
-286
Delay (Normalized)
2.0
1.0
0.0
1.40
1.50
1.60
1.70
1.80
-17.7
-20.7
-23.4
-25.8
-28.1
-294
-300
-306
-310
-313
.202
.158
.128
.107
.090
-30.2
-32.2
-36.7
-40.6
-44.1
1.90
2.00
2.25
2.50
2.75
-316
-319
-324
-328
-331
.078
.068
.051
.039
.032
2
3
4
0.1
5 6 7 8 91.0
0.15
1.5
3.00
3.25
3.50
4.00
5.00
-47.3
-50.2
-52.8
-57.6
-65.5
-334
-336
-338
-341
-345
.026
.022
.018
.014
.009
Normalized Time (1/f sec)
Step Response
6.00
7.00
8.00
9.00
10.0
-71.9
-77.3
-82.0
-86.1
-89.8
-347
-349
-351
-352
-352
.006
.004
.003
.003
.002
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
12
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, 0.5 dB Ripple
Chebychev
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
-17.3
-35.7
-55.7
-76.9
-98.2
.476
.492
.533
.577
.596
.583
0.087
0.295
0.474
0.463
0.248
0.60
0.70
0.80
0.85
0.90
0.025
0.072
0.432
0.482
0.062
-119
-141
-168
-185
-205
.578
.647
.881
1.06
1.18
2
2
0.1
3 4 5 6 78 1.0
3 4 5 67810.0
Normalized Frequency(f/fc)
0.95
1.00
1.10
1.20
1.30
-1.12
-3.01
-7.61
-12.0
-15.9
-226
-245
-272
-288
-298
1.13
.946
.559
.345
.235
Delay (Normalized)
2.0
1.0
0.0
1.40
1.50
1.60
1.70
1.80
-19.3
-22.4
-25.1
-27.6
-29.9
-305
-311
-315
-318
-321
.173
.134
.108
.089
.075
-32.1
-34.1
-38.6
-42.6
-46.1
1.90
2.00
2.25
2.50
2.75
-324
-326
-301
-334
-336
.065
.057
.042
.033
.026
2
3
4
0.1
5 6 7 8 91.0
0.15
1.5
3.00
3.25
3.50
4.00
5.00
-49.3
-52.2
-54.9
-59.7
-67.6
-339
-340
-342
-344
-347
.021
.018
.015
.011
.007
Normalized Time (1/f sec)
Step Response
6.00
7.00
8.00
9.00
10.0
-74.0
-79.4
-84.1
-88.2
-91.9
-350
-351
-352
-353
-354
.005
.004
.003
.002
.002
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
15
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
4-Pole, 0.2 dB Ripple
Chebychev
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
-89.8
-65.1
-51.1
-40.6
-32.2
352
345
337
328
319
.212
.218
.228
.245
.272
-25.0
-18.6
-12.7
-7.34
-3.01
0.60
0.70
0.80
0.90
1.00
308
296
280
259
231
.314
.383
.500
.686
.873
2
2
0.1
3 4 5 6 78 1.0
3 4 5 67810.0
Normalized Frequency(f/fc)
.633
.275
.197
.138
.088
1.20
1.50
1.70
2.00
2.50
.140
.031
.003
.074
.174
172
128
111
93.2
73.4
3.00
4.00
5.00
6.00
7.00
.200
.170
.129
.098
.076
60.4
44.5
35.2
29.2
24.9
.060
.033
.020
.014
.010
.060
.048
.040
8.00
9.00
10.0
21.7
19.3
17.3
.008
.006
.005
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
31
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, 0.5 dB Ripple
Chebychev
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
-91.9
-67.6
-53.1
-42.6
-34.1
354
347
341
334
326
.174
.179
.188
.203
.226
-26.8
-20.2
-14.0
-8.13
-3.01
0.60
0.70
0.80
0.90
1.00
317
307
293
274
245
.263
.326
.440
.651
.946
2
2
0.1
3 4 5 6 78 1.0
3 4 5 67810.0
Normalized Frequency(f/fc)
.693
.271
.199
.146
.095
1.20
1.50
1.70
2.00
2.50
.500
.014
.043
.249
.469
179
133
117
98.2
76.9
3.00
4.00
5.00
6.00
7.00
.498
.401
.296
.221
.169
62.7
45.5
35.7
29.4
25.0
.065
.035
.021
.014
.010
.133
.107
.088
8.00
9.00
10.0
21.8
19.3
17.3
.008
.006
.005
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
33
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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