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90PF Slot Card Dual Channel Programmable Filter/Amplifier Card
Introduction
Description Each 90PF slot card provides two channels of precision, low noise and distortion (-100 dB typical) programmable filters with up to 60 dB of pre and 20 dB of post adjustable gain. Filter modules are programmable from 0.1 Hz to 300 kHz utilizing 4, 11-bit tuning ranges. When assembled with a high-pass filter in channel one (1) and a low-pass filter in channel two (2), 90PF slot cards can be configured on the fly to operate as a low-pass, high-pass, band-pass, or bandreject (notch) filter. Customers can select any combination of two available filter modules per slot card to meet their application specific signal conditioning needs. Front panel mounted BNC's provide easy access for connection of signal input and output. Other features include differential or single-ended input, AC or DC-coupled input, single ended output, LED clipping indicators and fine adjustment of DC offset. Operating the 90PF in filter BYPASS mode allows the design engineer to use each channel as a precision instrumentation grade programmable amplifier. Features * 0.1 Hz to 300 kHz Tuning Range * Selectable single-ended or differential input * Gain/phase matched channels * LED clipping indicators * Memory storage for up to 9 set-ups/slot card * <-100 dB signal-to-noise ratio to 100 kHz BW * Programmable gain, 60 dB pre and 20 dB post Applications * Anti-Aliasing * Sound Measurement * Noise Testing * Audio Communications * Medical Research * Industrial Process Control * Seismic Analysis * Vibration Analysis
1
Available 90PF Low Pass Filters Part # dB # Poles L8B -100 8 L8L -100 8 L8E -88 8, 6-zero L8EX -80100kHz 8, 6-zero -60>100kHz L8EY -100 8, 6-zero L8D80 -80 8, 6-zero L8D10 -100 8, 6-zero Available 90PF High Pass Filters Part # dB # Poles H8B -100 8 H8E -88 8, 6-zero H8EX -80100kHz 8, 6-zero -60>100kHz H8EY -100 8, 6-zero
Filter Type Butterworth Bessel Elliptic, 1.77 Elliptic, 1.56 Elliptic, 2.00 Constant Delay Constant Delay
Filter Type Butterworth Elliptic, 1.77 Elliptic, 1.56 Elliptic, 2.00
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
90PF Slot Card Dual Channel Programmable Filter/Amplifier Card
Introduction
6
10
Signal Input 1
BNC
2
Channel One 19
BYPASS ACTIVE BDREJECT1
Pre-Gain
Filter M odule
AC/DC
14
Post-Gain
BNC
Signal Output 1
SNG/DIF
6
10 20
Signal Input 2
BNC
2
Channel Two
Pre-Gain
AC/DC
Filter M odule
SNG/DIF
14
Post-Gain
BYPASS ACTIVE BDREJECT2 CH2_NO_CASCADE
BNC
Signal Output 2
CPLD
DAC
CPLD
DAC
CPLD
DAC
DAC
CPLD
SPI BUS
EEPROM for FILTER CODE
AT25256
P89C660
25C080
EEPROM for PARAM ETERS
32-PIN CONNECTOR
TO BACKPLANE
Figure 1 - Signal Path
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
90PF Slot Card Low Pass Filter Options
90PF - L8L 8-Pole Bessel 0.1 Hz to 300 kHz Appendix A Page 4 0.0 dB 0 0.2 dB Attenuation Rate 48 dB/octave fc 2% max. -3 dB -182 2 max. 1 typ. fr 90PF - L8E 8-Pole, 6-Zero elliptic - 1.77 0.1 Hz to 300 kHz Appendix A Page 24 0.035 dB 0 0.2 dB Attenuation 80 dB 2% max. 90PF - L8EX 8-Pole, 6-Zero elliptic - 1.56 0.1 Hz to 300 kHz Appendix A Page 23 0.05 dB 0 0.2 dB to 100 kHz 0 0.4 dB >100 kHz Attenuation
80 dB <100kHz> 60dB
Specifications
Product Model Transfer Function 90PF - L8B 8-Pole Butterworth 0.1 Hz to 300 kHz Appendix A Page 9 0.0 dB 0 0.2 dB Attenuation Rate 48 dB/octave fc 2% max. -3 dB -360 2 max. 1 typ.
Tuning Range Theoretical Transfer Characteristics Passband Ripple
(theoretical)
Pass Band Gain
(non-inverting)
Stop Band
Corner Frequency Accuracy Amplitude Phase Phase Match1
0 - fc
0 - fc
-0.035 dB -323 0 - 0.8fr 2 max. 1 typ. 0.8fr - fr 4 max. 2 typ. 0.035 dB 3.01 dB 60.0 dB 80.0 dB 1.00 fr 1.13 fr 1.67 fr 1.77 fr
2% max. 3% > 100 kHz -0.05 dB -414 0 - 0.8fr 3max fr 0.8fr - fr
4>100kHz 4 max. 5>100kHz
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
1.91 dB 3.01 dB 60.0 dB 80.0 dB
0.80 fc 1.00 fc 4.52 fc 6.07 fc
0.5 dB 3.01 dB 60.0 dB 80.0 dB
1.00 fr 1.05 fr 1.45 fr 1.56 fr
Amplitude Accuracy1
0.1 to 100 kHz (theoretical)
0 - 0.8 fc 0.2 dB max. 0.1 dB typ. 0.8 fc - fc 0.3 dB max. 0.15 dB typ. <-100dB typ.@3Vrms 200Vrms typ. <100nV/ Hz typ.
0 - 0.8 fc 0.2 dB max. 0.1 dB typ. 0.8 fc - fc 0.3 dB max. 0.15 dB typ. <-100dB typ.@3Vrms 200Vrms typ. <100nV/ Hz typ.
0 - 0.8 fr 0.2 dB max. 0.1 dB typ. 0.8 fr - fr 0.4 dB max. 0.2 dB typ. <-100dB typ.@3Vrms 200Vrms typ. <100nV/ Hz typ.
0 - 0.8 fr 0.2 dB max. 0.1 dB typ. 0.8 fr - fr 0.7 dB max. 0.35 dB typ. <-100dB typ.@3Vrms 200Vrms typ. <100nV/ Hz typ.
Total Harmonic Distortion @ 1 kHz Broad Band Noise
(5 Hz to 2MHz)
Narrow Band Noise
Note 1: Channel to channel match for the same transfer function set to the same frequency and operating configuration.
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
90PF Slot Card Low Pass Filter Options
90PF - L8D80 8-Pole, 6-Zero constant delay 0.1 Hz to 300 kHz Appendix A Page 21 0.10 dB 0 0.2 dB Attenuation Rate 80 dB fc 2% max. -3 dB -306 2 max. 1 typ. 4 max. 2 typ. 1.00 fc 3.08 fc 3.57 fc fc 90PF - L8D10 8-Pole, 6-Zero constant delay 0.1 Hz to 300 kHz Appendix A Page 22 0.15 dB 0 0.2 dB Attenuation Rate 100 dB 2% max. -3 dB -311 2 max. 1 typ. 4 max. 2 typ. 1.00 fc 4.45 fc 5.20 fc
Specifications
Product Model Transfer Function 90PF - L8EY 8-Pole, 6-Zero elliptic - 2.00 0.1 Hz to 300 kHz Appendix A Page 25 0.05 dB 0 0.2 dB Attenuation Rate 100 dB fr 2% max. -0.05 dB -419 3 max. 1.5 typ. 4 max. 2 typ. 1.00 fr 1.06 fr 1.83 fr 2.00 fr
Tuning Range Theoretical Transfer Characteristics Passband Ripple
(theoretical)
Pass Band Gain
(non-inverting)
Stop Band
Corner Frequency Accuracy Amplitude Phase Phase Match1
0 - 0.8fr 0.8fr - fr
0 - 0.8fc 0.8fc - fc
0 - 0.8fc 0.8fc - fc
Filter Attenuation
(theoretical)
0.5 dB 3.01 dB 80.0 dB 100.0 dB
3.01 dB 60.0 dB 80.0 dB
3.01 dB 80.0 dB 100 dB
Amplitude Accuracy1
0.1 to 100 kHz (theoretical)
0 - 0.8 fr 0.2 dB max. 0.1 dB typ. 0.8 fr - fr 0.5 dB max. 0.25 dB typ. <-100dB typ.@3Vrms 200Vrms typ. <100nV/ Hz typ.
0 - 0.8 fc 0.2 dB max. 0.1 dB typ. 0.8 fc - fc 0.4 dB max. 0.2 dB typ. <-100dB typ.@3Vrms 200Vrms typ. <100nV/ Hz typ.
0 - 0.8 fc 0.2 dB max. 0.1 dB typ. 0.8 fc - fc 0.5 dB max. 0.25 dB typ. <-100dB typ.@3Vrms 200Vrms typ. <100nV/ Hz typ.
Total Harmonic Distortion @ 1 kHz Broad Band Noise
(5 Hz to 2MHz)
Narrow Band Noise
Note 1: Channel to channel match for the same transfer function set to the same frequency and operating configuration.
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
90PF Slot Card High Pass Filter Options
90PF - H8E 8-Pole, 6-Zero elliptic - 1.77 0.1 Hz to 300 kHz Appendix A Page 37 0.035 dB 0 0.2dB to 100kHz 0 0.5dB to 400kHz 500 kHz (-6 dB) 1 MHz Attenuation 80 dB fr 2% max. -0.035 dB -323.5 4 max. 2 typ. 2 max. 1 typ. 0.56 fr 0.60 fr 1.00 fr 2.00 fr
Specifications
Transfer Function 90PF - H8B 8-Pole Butterworth 0.1 Hz to 300 kHz Appendix A Page 29 0.0 dB 0 0.2dB to 100kHz 0 0.5dB to 400kHz 500 kHz (-6 dB) 1 MHz Attenuation Rate 48 dB/octave fc 2% max. -3 dB -360 3 max. 1.5 typ.
Tuning Range Theoretical Transfer Characteristics Passband Ripple
(theoretical)
Pass Band Gain
(non-inverting)
Power Bandwidth Small Signal Bandwidth Stop Band Corner Frequency Accuracy Amplitude Phase Phase Match1
fc to 100 kHz
fr - 1.25 fr 1.25fr to 100 kHz
Filter Attenuation
(theoretical)
-83 dB -48 dB -3.01 dB -0.01 dB
0.30 fc 0.50 fc 1.00 fc 1.50 fc
-80.0 dB -60.0 dB -0.03 dB 0.00 dB
Amplitude Accuracy1
0.1 Hz to 100 kHz (theoretical)
fc - 1.25 fc 0.3 dB max. 0.15 dB typ. 1.25 fc - 400 kHz 0.5 dB max.
fr - 1.25 fr 0.4 dB max. 0.2 dB typ. 1.25 fr - 400 kHz 0.5 dB max.
Total Harmonic Distortion @ 1 kHz Broad Band Noise
(5 Hz - 2 MHz)
<-100dB typ. @ 3Vrms 400Vrms typ. <100nV/ Hz typ.
<-100dB typ. @ 3Vrms 400Vrms typ. <100nV/ Hz typ
Narrow Band Noise
Note 1: Channel to channel match for the same transfer function set to the same frequency and operating configuration.
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
90PF Slot Card High Pass Filter Options
90PF - H8EY 8-Pole, 6-Zero elliptic - 2.00 0.1 Hz to 300 kHz Appendix A Page 38 0.05 dB 0 0.2dB to 100kHz 0 2.0dB to 400kHz 500 kHz (-6 dB) 1 MHz Attenuation 100 dB fr 2% max. -0.05 dB -419 fr - 1.25 fr 1.25fr to 100 kHz 100 dB -80.0 dB -3.01 dB -0.03 dB 0.00 dB 4 max. 2 typ. 3 max. 1.5 typ. 0.05 fr 0.55 fr 0.94 fr 1.00 fr 2.00 fr
Specifications
Transfer Function 90PF - H8EX 8-Pole, 6-Zero elliptic - 1.56 0.1 Hz to 300 kHz Appendix A Page 36 0.05 dB 0 0.3dB to 100kHz 0 2.0dB to 400kHz 500 kHz (-6 dB) 1 MHz Attenuation
80 dB <100kHz> 60dB
Tuning Range Theoretical Transfer Characteristics Passband Ripple
(theoretical)
Pass Band Gain
(non-inverting)
Power Bandwidth Small Signal Bandwidth Stop Band Corner Frequency Accuracy Amplitude Phase Phase Match1
fr
2% max. 4% > 100 kHz -0.05 dB -414 4 max. 5 > 100 kHz. 3 max. 4 > 100 kHz. 0.64 fr 0.69 fr 0.95 fr 1.00 fr 2.00 fr
fr - 1.25 fr 1.25fr to 100 kHz
Filter Attenuation
(theoretical)
-80.0 dB -60.0 dB -3.01 dB -0.03 dB 0.00 dB
Amplitude Accuracy1
0.1 Hz to 100 kHz (theoretical)
fr - 1.25 fr 0.5 dB max. 0.25 dB typ. 1.25 fr - 400 kHz 0.7 dB max.
fr - 1.25 fr 0.5 dB max. 0.25 dB typ. 1.25 fr - 400 kHz 0.5 dB max.
Total Harmonic Distortion @ 1 kHz Broad Band Noise
(5 Hz - 2 MHz)
<-100dB typ. @ 3Vrms 400Vrms typ. <100nV/ Hz typ
6
<-100dB typ. @ 3Vrms 400Vrms typ. <100nV/ Hz typ
Narrow Band Noise
Note 1: Channel to channel match for the same transfer function set to the same frequency and operating configuration.
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
90PF Slot Card Bypass Mode Specifications @ 25C
Input Characteristics Input Impedance: Differential Single Ended Coupling Maximum Input Signal Input Voltage: Linear Differential Max. Safe Differential Max Safe Common Mode Bias Current Common Mode Rejection Ratio with 2k source unbalance and 0 dB gain Output Characteristics Full Power Bandwidth Small Signal Bandwidth (1V pk-pk) Related Output Output Protection Output Impedance Offset Voltage 2 M shunted by 47pF 1 M shunted by 47pF AC or DC 10V pk @0 dB 20V p-p (Gain Set at 0 dB) Any Continuous value between 40V Any Continuous value between 40V 1 nA typ., 2 nA max. >60 dB, dc to 50kHz Signal Bandwidth Amplitude Match Gain Accuracy@ DC dc to 1.0 MHz 1.0 MHz @ -6dB 10V p-p for RL = 50 20V p-p for RL = 2k short circuit to Ground only 50 Adjustable to zero, In 1 mV steps. (Range 100mV dc)
Dual Channel Programmable Filter/Amplifier Card
Amplifier Characteristics Distortion @ 1 kHz Noise Density Pre Filter Gain (No Filter) Gain Settings Signal Bandwidth Amplitude Match Gain Accuracy@ DC <-100 dB typ. @ 3.0 Vrms 14 nV/ Hz 0 to 60 dB in 5 dB steps 0.1 dB tolerance -6.0 dB @ 1.0 MHz@ +60 dB 0.1 dB @ DC 0.1 dB
Post Filter Gain (No Filter) Gain Settings
0 to 20 dB in 1 dB steps 0.1 dB tolerance -6.0 dB @ 1.0 MHz 0.1 dB @ DC 0.1 dB
General Cross Talk between Channels Operating Temperature Offset Temperature Coeff. Humidity Slot Card Dimensions Weight
<-100 dB @ 1 kHz 0C to 50C
10V/C RTI
0 to 95%, non-condensing 100 x 220 mm (3U) 0.60 Lbs., (0.3 Kg.)
Ordering Information
Select Filter Option Channel 2
90PF-H8B/L8L
Select Filter Option Channel 1
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 that applies 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. 7
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8-Pole
Bessel Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.00 0.00 0.00 .506 0.10 -0.029 -18.2 .506 0.20 -0.117 -36.4 .506 0.30 -0.264 -54.7 .506 0.40 -0.470 -72.9 .506 0.50 -0.737 -91.1 .506 0.60 -1.06 -109 .506 0.70 -1.45 -128 .506 0.80 -1.91 -146 .506 0.85 -2.16 -155 .506 0.90 -2.42 -164 .506 0.95 -2.71 -173 .506 1.00 -3.01 -182 .506 -3.67 1.10 -200 .506 -4.40 1.20 -219 .506 -5.20 1.30 -237 .506 1.40 -6.10 -255 .505 1.50 -7.08 -273 .504 1.60 -8.16 -291 .502 1.70 -9.36 -309 .498 1.80 -10.7 -327 .492 1.90 -12.1 -345 .482 2.00 -13.7 -362 .468 2.25 -18.1 -402 .417 2.50 -23.1 -436 .352 2.75 -28.3 -465 .291 3.00 -33.4 -489 .241 3.25 -38.3 -509 .201 3.50 -43.1 -526 .170 4.00 -51.8 -552 .126 5.00 -66.8 -587 .077 6.00 -79.2 -610 .052 7.00 -89.8 -626 .038 8.00 -99.0 -638 .029 9.00 -107 -647 .023 10.0 -114 -655 .018 Low-Pass Frequency Response 0 Amp (dB) -20 -40 -60 -80 -100 0.1
2
1.0 2 3 4 5 6 7 10.0 Normalized Frequency(f/fc)
3 4 5 6 78
Delay (Normalized) 1.0 Delay (sec)
0.5
0.0 0.1
0.15 2
3
4
5 6 7 89
Normalized Time (1/f sec)
1.0
1.5
Step Response 1.2 1.0 0.8 0.6 0.4 0.2 -0.0 -0.2 0 Step Response (V/V)
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). Actual Delay = Normalized Delay Actual Corner Frequency (fc) in Hz
1
2
3
4
5
Normalized Time (1/f sec)
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4
Low-Pass
8-Pole Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.00 0.00 0.00 .816 0.10 0.00 -29.4 .819 0.20 0.00 -59.0 .828 0.30 0.00 -89.1 .843 0.40 0.00 -120 .867 0.50 0.00 -152 .903 0.60 -0.001 -185 .956 0.70 -0.014 -221 1.04 0.80 -0.121 -261 1.19 0.85 -0.311 -283 1.29 0.90 -0.738 -307 1.40 0.95 -1.58 -333 1.48 1.00 -3.01 -360 1.46 1.10 -7.48 -408 1.17 1.20 -12.9 -445 .873 1.30 -18.2 -472 .672 1.40 -494 .540 -23.4 1.50 -511 .448 -28.2 1.60 -526 .380 -32.7 1.70 -539 .328 -36.9 1.80 -550 .287 -40.8 1.90 -44.6 -560 .253 2.00 -48.2 -568 .226 2.25 -56.3 -586 .174 2.50 -63.7 -600 .139 2.75 -70.3 -611 .113 3.00 -76.3 -621 .094 3.25 -81.9 -629 .080 3.50 -87.1 -635 .069 4.00 -96.3 -646 .052 5.00 -112 -661 .033 6.00 -125 -671 .023 7.00 -135 -678 .017 8.00 -144 -683 .013 9.00 -153 -687 .010 10.0 -160 -691 .008 Butterworth Frequency Response 0 Amp (dB) -20 -40 -60 -80 -100 0.1
2 3 4 5 6 78 1.0 2 3 4 5 67
10.0
Normalized Frequency(f/fc) Delay (Normalized) 2.0 Delay (sec)
1.0
0.0 0.1
0.15 2
3
4
5 6 7 8 9 1.0 1.5
Normalized Time (1/f sec)
Step Response Step Response (V/V) 1.2 1.0 0.8 0.6 0.4 0.2 -0.0 0 1 2 3 4 Normalized Time (1/f sec) 5
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). Actual Delay = Normalized Delay Actual Corner Frequency (fc) in Hz
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9
8-Pole, 6-Zero
Constant Delay Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.00 0.00 .852 0.00 0.017 -30.7 .852 0.10 0.058 -61.3 .852 0.20 0.099 -92.0 .852 0.30 0.105 -123 .852 0.40 0.034 -153 .852 0.50 -0.157 -184 .852 0.60 -0.510 -215 .852 0.70 -1.07 -245 .851 0.80 -1.44 -261 .850 0.85 -1.89 -276 .849 0.90 -2.41 -291 .846 0.95 -3.01 -306 .841 1.00 -4.50 -336 .821 1.10 -6.39 -365 .783 1.20 -11.3 -417 .656 1.40 -17.1 -459 .512 1.60 -23.2 -492 .396 1.80 -29.1 -517 .312 2.00 -36.3 -542 .239 2.25 2.50 -43.4 -561 .189 2.75 -50.3 -576 .153 3.00 -57.6 -589 .127 3.25 -62.5 -599 .107 3.50 -75.4 -608 .092 3.75 -98.3 -616 .079 4.00 -86.3 -442 .069 4.25 -84.1 -448 .061 4.50 -85.1 -454 .054 4.75 -87.9 -458 .049 5.00 -92.8 -462 .044 5.25 -104 -466 .040 5.50 -101 -289 .036 5.75 -93.3 -293 .033 6.00 -89.9 -295 .030 -86.6 -300 .026 6.50 -85.1 -305 .022 7.00 -84.1 -312 .017 8.00 -84.3 -317 .013 9.00 -84.9 -321 .011 10.0
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). Actual Delay = Normalized Delay Actual Corner Frequency (fc) in Hz
Low-Pass (80 dB) Frequency Response 0 Amp (dB) -20 -40 -60 -80 -100 0.1
2
1.0 2 3 4 5 6 7 10.0 Normalized Frequency(f/fc)
3 4 5 6 78
Delay (Normalized) 1.0 Delay (sec)
0.5
0.0 0.1
0.15 2
1.0 1.5 Normalized Time (1/f sec)
3
4
5 6 7 89
Step Response Step Response (V/V) 1.2 1.0 0.8 0.6 0.4 0.2 -0.0 -0.2 0
1
2 3 4 Normalized Time (1/f sec)
5
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21
8-Pole, 6-Zero
Constant Delay Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.00 0.00 0.00 .865 0.10 0.015 -31.1 .865 .865 0.20 0.051 -62.3 .865 0.30 0.085 -93.4 .865 0.40 0.085 -125 0.50 0.010 -156 .865 0.60 -0.182 -187 .865 0.70 -0.532 -218 .865 0.80 -1.09 -249 .864 0.85 -1.45 -265 .863 0.90 -1.89 -280 .861 0.95 -2.41 -296 .857 1.00 -3.01 -311 .851 1.10 -4.50 -341 .828 1.20 -6.38 -370 .785 1.40 -11.2 -422 .650 1.60 -16.8 -464 .504 1.80 -22.5 -496 .389 2.00 -28.0 -520 .306 2.25 -34.5 -544 .235 2.50 -40.5 -563 .186 2.75 -46.1 -578 .151 3.00 -51.4 -591 .125 3.50 -61.5 -610 .090 4.00 -71.2 -624 .068 4.50 -81.3 -635 .054 5.00 -93.4 -643 .043 5.50 -142 -651 .036 6.00 -105 -476 .030 6.20 -105 -478 .028 6.50 -106 -481 .025 7.00 -110 -486 .022 8.00 -122 -312 .017 9.00 -109 -318 .013 10.0 -106 -322 .011 12.0 -105 -328 .007 14.0 -106 -333 .005 16.0 -107 -336 .004 18.0 -108 -339 .003 20.0 -109 -341 .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). Actual Delay = Normalized Delay Actual Corner Frequency (fc) in Hz
Low-Pass (100 dB) Frequency Response 0 -20 Amp (dB) -40 -60 -80 -100 -120 0.1
2 3 4 5 678
1.0 10.0 Normalized Frequency(f/fc)
2
3 4 5 67
Delay (Normalized) 1.0 Delay (sec)
0.5
0.0 0.1
0.15 2
1.0 1.5 Normalized Time (1/f sec)
3
4
5 6 7 89
Step Response 1.2 1.0 0.8 0.6 0.4 0.2 -0.0 -0.2 0 Step Response (V/V)
1
2 3 4 Normalized Time (1/f sec)
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
22
8-Pole, 6-Zero
Elliptic, 1.56 Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.00 0.00 0.00 0.823 0.10 -0.001 -29.7 0.829 0.20 -0.013 -59.8 0.844 0.30 -0.040 -90.5 0.865 0.40 -0.049 -122 0.904 -0.018 -156 0.972 0.50 -0.003 -174 1.016 0.55 -0.002 -192 1.064 0.60 -0.019 -212 1.116 0.65 -0.042 -233 1.178 0.70 -255 0.75 -0.049 1.264 -279 0.80 -0.026 1.388 -305 0.85 -0.001 1.557 -335 0.90 -0.024 1.767 -369 0.95 -0.045 2.111 1.00 -0.050 -414 3.062 1.10 -10.48 -531 2.043 1.20 -25.96 -576 0.814 1.30 -39.45 -598 0.493 1.40 -52.87 -614 0.348 -69.11 -624 0.265 1.50 -89.09 -453 0.211 1.60 -85.32 -459 0.174 1.70 -89.95 -463 0.156 1.75 -103.5 -465 0.147 1.80 1.85 -95.94 -288 0.158 1.90 -89.31 -290 0.126 1.95 -86.44 -292 0.117 2.00 -84.96 -295 0.110 2.20 -84.54 -302 0.087 2.40 -88.65 -307 0.069 2.60 -99.78 -311 0.057 2.80 -99.97 -135 0.048 3.00 -90.20 -139 0.041 3.50 -85.09 -145 0.029 4.00 -84.04 -150 0.022 5.00 -84.76 -156 0.014 6.00 -86.45 -160 0.009 7.00 -88.31 -163 0.007 8.00 -90.11 -165 0.005 9.00 -91.82 -167 0.004 10.0 -93.41 -168 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). Normalized Delay Actual Delay = Actual Corner Frequency (fc) in Hz
Low-Pass Frequency Response 0 Amp (dB) -20 -40 -60 -80 -100 0.1
2
1.0 10.0 Normalized Frequency(f/fc)
3 4 5 6 78
2
3 4 5 67
Delay (Normalized) 4.0 Delay (sec)
2.0 0.8 0.0 0.1
0.15 2
1.0 1.5 Normalized Time (1/f sec)
3
4
5 6 7 89
Step Response Step Response (V/V) 1.2 1.0 0.8 0.6 0.4 0.2 -0.0 0 1 2 3 4 Normalized Time (1/f sec) 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
23
8-Pole, 6-Zero
Elliptic, 1.77 Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.00 0.00 0.00 0.713 0.10 -0.004 -25.7 0.716 0.20 -0.014 -51.6 0.724 0.30 -0.024 -77.9 0.740 0.40 -0.020 -105 0.767 0.50 0.007 -133 0.811 0.55 0.022 -148 0.840 0.60 0.033 -163 0.872 0.65 0.031 -179 0.908 0.70 0.014 -196 0.946 0.75 -0.015 -213 0.989 0.80 -0.041 -232 1.04 0.85 -0.046 -251 1.12 0.90 -0.016 -272 1.23 0.95 -0.025 -296 1.40 1.00 -0.035 -323 1.65 1.10 -1.76 -392 2.14 1.20 -8.28 -467 1.86 1.30 -18.4 -522 1.19 1.40 -29.3 -558 0.753 1.50 -40.1 -578 0.517 1.60 -51.5 -594 0.381 1.70 -65.2 -606 0.296 1.75 -75.0 -611 0.265 1.80 -113.0 -616 0.239 1.85 -83.6 -440 0.217 1.90 -82.0 -444 0.198 1.95 -83.7 -447 0.182 2.00 -87.8 -450 0.168 2.20 -85.8 -280 0.126 2.40 -82.0 -289 0.099 2.60 -83.5 -295 0.081 2.80 -88.2 -301 0.067 3.00 -99.9 -305 0.057 3.50 -87.2 -134 0.040 4.00 -83.1 -140 0.030 5.00 -82.1 -148 0.018 6.00 -83.1 -154 0.013 7.00 -84.6 -157 0.009 8.00 -86.2 -160 0.007 9.00 -87.8 -163 0.005 10.0 -89.3 -164 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). Normalized Delay Actual Delay = Actual Corner Frequency (fc) in Hz
Low-Pass Frequency Response 0 Amp (dB) -20 -40 -60 -80 -100 0.1
2
1.0 2 3 4 5 6 7 10.0 Normalized Frequency(f/fc)
3 4 5 6 78
Delay (Normalized) 4.0 Delay (sec)
2.0 0.8 0.0 0.1
0.15 2
1.0 1.5 Normalized Time (1/f sec)
3
4
5 6 7 89
Step Response Step Response (V/V) 1.2 1.0 0.8 0.6 0.4 0.2 -0.0 0 1 2 3 4 Normalized Time (1/f sec) 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
24
8-Pole, 6-Zero
Elliptic, 2.00 Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.00 0.00 0.00 0.885 0.10 -0.001 -31.9 0.891 0.20 -0.015 -64.2 0.903 0.30 -0.040 -97.0 0.922 0.40 -0.042 -131 0.958 0.50 -0.001 -166 1.020 0.55 0.000 -185 1.057 0.60 -0.007 -204 1.099 0.65 -0.027 -225 1.140 0.70 -0.045 -245 1.193 0.75 -0.040 -268 1.269 0.80 -0.014 -291 1.377 0.85 -0.001 -317 1.513 0.90 -0.031 -346 1.677 0.95 -0.036 -378 1.960 1.00 -0.046 -419 2.681 1.10 -7.910 -525 2.127 1.20 -21.06 -573 0.856 1.30 -31.96 -597 0.509 1.40 -41.51 -612 0.357 1.50 -50.35 -623 0.271 1.60 -58.90 -632 0.216 1.70 -67.54 -639 0.177 1.75 -72.04 -642 0.162 1.80 -76.79 -645 0.149 1.85 -81.93 -647 0.138 1.90 -87.78 -650 0.128 1.95 -95.04 -652 0.119 2.00 -106.6 -654 0.111 2.20 -106.0 -481 0.087 2.40 -121.3 -307 0.070 2.60 -106.5 -311 0.058 2.80 -105.0 -315 0.049 3.00 -106.4 -318 0.042 3.50 -123.6 -325 0.030 4.00 -111.5 -149 0.022 5.00 -105.4 -156 0.014 6.00 -105.1 -160 0.010 7.00 -106.0 -163 0.007 8.00 -107.3 -165 0.005 9.00 -108.6 -167 0.004 10.0 -110.0 -168 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). Normalized Delay Actual Delay = Actual Corner Frequency (fc) in Hz
Low-Pass Frequency Response 0 -20 Amp (dB) -40 -60 -80 -100 -120 0.1
2
1.0 2 3 4 5 6 7 10.0 Normalized Frequency(f/fc)
3 4 5 6 78
Delay (Normalized) 4.0 Delay (sec)
2.0 0.8 0.0 0.1
0.15 2
1.0 1.5 Normalized Time (1/f sec)
3
4
5 6 7 89
Step Response Step Response (V/V) 1.2 1.0 0.8 0.6 0.4 0.2 -0.0 0 1 2 3 4 Normalized Time (1/f sec) 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
25
High-Pass
8-Pole Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.10 -160 691 0.819 0.20 -112 661 0.828 0.30 -83.7 631 0.843 0.40 -63.7 600 0.867 0.50 -48.2 568 0.903 0.60 -35.5 535 .956 499 0.70 -24.8 1.04 459 0.80 -15.6 1.19 437 0.85 -11.6 1.29 413 0.90 -8.06 1.40 0.95 -5.15 386 1.48 360 1.00 -3.01 1.46 275 1.20 -0.229 0.873 226 1.40 -0.020 0.540 -0.002 194 1.60 0.380 170 1.80 0.00 0.287 152 0.00 2.00 0.226 0.139 120 0.00 2.50 0.00 99.2 0.094 3.00 0.052 0.00 74.0 4.00 5.00 0.00 59.0 0.033 49.0 0.023 6.00 0.00 0.00 42.1 0.017 7.00 0.00 36.8 0.013 8.00 0.00 32.7 0.010 9.00 10.0 0.00 29.4 0.008 Butterworth Frequency Response 0 Amp (dB) -20 -40 -60 -80 -100 0.1
2
1.0 2 3 4 5 6 7 10.0 Normalized Frequency(f/fc)
3 4 5 6 78
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). Actual Delay = Normalized Delay Actual Corner Frequency (fc) in Hz
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
29
8-Pole, 6-Zero
Elliptic, 1.56 Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.10 -93.4 168 0.334 -84.8 0.20 156 0.344 143 -86.0 0.30 0.363 0.392 310 -92.6 0.40 0.439 295 -85.0 0.50 -114 287 0.472 0.55 -84.1 458 0.515 0.60 -57.0 617 0.652 0.70 -32.8 589 0.962 0.80 -22.6 569 1.325 0.85 0.90 -12.3 538 2.198 3.993 0.95 -3.08 483 3.062 1.00 -0.05 414 1.498 1.10 -0.03 341 -0.01 1.039 1.20 296 264 1.30 -0.04 0.773 239 1.40 -0.05 0.612 1.50 219 -0.03 0.505 1.60 202 -0.01 0.426 188 1.70 0.00 0.364 1.80 0.00 176 0.315 -0.01 165 1.90 0.275 2.00 156 -0.02 0.243 2.50 122 -0.05 0.145 0.097 3.00 101 -0.05 4.00 -0.03 75.1 0.053 -0.01 0.034 5.00 59.8 -0.01 0.023 6.00 49.7 7.00 0.017 0.00 42.5 8.00 0.013 0.00 37.2 9.00 0.00 33.0 0.010 10.0 0.00 29.7 0.008 High-Pass Frequency Response 0 Amp (dB) -20 -40 -60 -80 -100 0.1
2
1.0 2 3 4 5 6 7 10.0 Normalized Frequency(f/fc)
3 4 5 6 78
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
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
36
8-Pole, 6-Zero
Elliptic, 1.77 Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.10 -89.3 164 0.440 0.20 -82.1 148 0.459 0.30 -90.6 131 0.495 292 0.40 -82.4 0.559 -87.8 450 0.50 0.671 0.55 -90.0 0.761 437 -60.2 0.60 0.890 603 -32.4 0.70 1.37 563 -13.1 0.80 2.35 498 -6.28 0.85 2.77 451 0.90 -2.21 401 2.66 358 0.95 -0.51 2.15 324 1.00 -0.03 1.64 277 1.10 -0.01 1.04 225 1.20 -0.05 0.757 1.30 -0.03 221 0.596 1.40 0.01 201 0.486 1.50 0.03 185 0.409 1.60 0.03 172 0.347 1.70 0.03 160 0.299 1.80 0.02 150 0.260 1.90 0.01 141 0.229 2.00 0.01 133 0.203 2.50 -0.02 105 0.123 3.00 -0.02 86.9 0.083 4.00 -0.02 64.7 0.046 5.00 -0.01 51.6 0.029 6.00 -0.01 42.9 0.020 -0.01 0.015 7.00 36.8 -0.01 0.011 8.00 32.1 9.00 -0.01 28.6 0.009 10.0 0.00 25.7 0.007 High-Pass Frequency Response 0 Amp (dB) -20 -40 -60 -80 -100 0.1
2 3 4 5 6 78 1.0 2 3 4 5 67
10.0
Normalized Frequency(f/fc)
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
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
37
8-Pole, 6-Zero
Elliptic, 2.00 Appendix A Theoretical Transfer Characteristics 1 f/fc Amp Phase Delay (Hz) (dB) (deg) (sec) 0.10 -110 168 0.338 -105 0.20 156 0.348 -114 0.30 323 0.367 309 -110 0.40 0.397 654 -107 0.50 0.445 0.55 -78.6 646 0.480 0.524 0.60 -64.6 637 0.669 0.70 -44.1 615 1.001 0.80 -26.7 586 1.401 0.85 -18.2 565 0.90 -9.46 533 2.315 0.95 -2.16 478 3.604 1.00 -0.046 419 2.681 1.416 1.10 -0.038 352 1.018 1.20 -0.001 308 1.30 -0.032 277 0.773 1.40 -0.046 252 0.618 1.50 -0.034 231 0.514 1.60 -0.016 214 0.436 1.70 -0.004 200 0.376 1.80 0.000 187 0.328 1.90 -0.003 176 0.288 2.00 166 -0.010 0.255 131 2.50 -0.042 0.153 108 3.00 -0.045 0.103 4.00 -0.028 80.6 0.057 64.2 5.00 -0.015 0.036 53.4 6.00 -0.008 0.025 45.7 7.00 -0.005 0.018 40.0 8.00 -0.003 0.014 9.00 -0.002 35.5 0.011 31.9 10.0 -0.001 0.009 High-Pass Frequency Response 0 -20 Amp (dB) -40 -60 -80 -100 -120 0.1
2
1.0 2 3 4 5 6 7 10.0 Normalized Frequency(f/fc)
3 4 5 6 78
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
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
38

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