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| R854 Series 1.0 Hz to 102.4 kHz 8-Bit Programmable Description The R854 Series are digitally programmable, 4-pole low-pass and high-pass active filters that contain a low and a high programmable frequency range, with each range tunable over a 256:1 ratio. R854 filters are available with any two of five standard factoryset tuning ranges or 8-bit custom ranges from 1.0 Hz to 102.4 kHz. These units contain 8 CMOS logic inputs that can be operated in a transparent or latching mode and 1 logic input for range selection. All R854 Series models are convenient, easy to use fully finished filters which require no external components or adjustments. They feature low harmonic distortion, and precision phase and amplitude characteristics. R854 filters operate from non-critical 12 to 18 Vdc power supplies, have a 10 k (min.) input impedance, a 10 (max.) output impedance. Features/Benefits: * Digitally programmable corner frequency allows selecting cut-off frequencies specific to each application. * Plug-in ready-to-use, reducing engineering design and manufacturing cycle time. * Factory-set tuning range, no external clocks or adjustments needed. * Broad range of transfer characteristics and corner frequencies to meet a wide range of applications. * Low profile design, ideal for rack mount installations. 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 Programmable Specifications . . . . . . . . . . . . . Page Digital Tuning & Control . . . . . . . . . . . . . . . . . . . . . . 2 Available Low-Pass Models: . . . . . . . . . . . . . . . . . . . R854L4B 4-pole Butterworth. . . . . . . . . . . . . . . . . . 3 R854L4L 4-pole Bessel . . . . . . . . . . . . . . . . . . . . . 3 R854L8Y2 4-pole Cheby (0.2 dB Ripple) . . . . . . . . . 3 R854L8Y5 4-pole Cheby (0.5 dB Ripple) . . . . . . . . . 3 Available High-Pass Models: . . . . . . . . . . . . . . . . . . R854H8B 4-pole Butterworth. . . . . . . . . . . . . . . . . . 4 R854H8Y2 4-pole Cheby (0.2 dB Ripple) . . . . . . . . . 4 R854H8Y5 4-pole Cheby (0.5 dB Ripple) . . . . . . . . . 4 General Specifications: Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pin-out/package data. . . . . . . . . . . . . . . . . . . . . . . . . 5 2" x 4" Range Switch 4-Pole Filters 25 Locust St. * Haverhill, Massachusetts 01830 * (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 R854 Series Range Switch 8-Bit Programmable Filters Digital Tuning Characteristics The digital tuning interface circuits are two 4042 quad CMOS latches which accept the following CMOS-compatible inputs: eight tuning bits (D0 - D7), a range selection bit (R), a latch strobe bit (C), and a transition polarity bit (P). Filter tuning follows the tuning equation given below: fc = ( fmax/256 ) [ 1 + D7 x 2 + D6 x 2 + D5 x 2 + D4 x 2 + D3 x 2 + D2 x 2 + D1 x 2 + D0 x 2 ] where D1 - D7 = "0" or "1", and fmax = Maximum tuning frequency; fc = corner frequency; R = 0, Maximum low range R = 1, Maximum Minimum tunable frequency = fmax/256 (D0 thru D7 = 0); Minimum frequency step (Resolution) = fmax/256 2 1 0 7 6 5 4 3 Digital Tuning & Control Characteristics Pin-Out Key IN OUT GND "P" "C" +Vs -Vs Os R Analog Input Signal Analog Output Signal Power and Signal Return Transition Polarity Bit Tuning Strobe Bit Supply Voltage, Positive Supply Voltage, Negative Optional Offset Adjustment Range Switch Adjustment D7 Tuning D6 Tuning D5 Tuning D4 Tuning D3 Tuning D2 Tuning D1 Tuning D0 Tuning Bit Bit Bit Bit Bit Bit Bit Bit 7 (MSB) 6 5 4 3 2 1 0 (LSB) R D7 D6 D5 D4 GND D3 D2 D1 D0 OUT +Vs -Vs Data Control Specifications Data Control Lines Functions Data Control Modes Mode 1 Mode 2 Input Data Levels Latch Strobe (C) Transition Polarity (P) P = 0; C = 0 frequency follows input codes P = 0; C = 0 frequency latched on rising edge P = 1; C = 1 frequency follows input codes P = 1; C = 1 frequency latched on falling edge (CMOS Logic) 4 Vdc max. 15 Vdc max. -1 mA max. +1 A max. 7.5 pF max. MSB 27 D7 0 0 0 - 10 A typ. -5 +10 A typ. 5 pF typ 25 nS 50 nS 80 nS min. Frequency Select Bits Logic "1" = +Vs Logic "0" = Gnd (Binary-Coded) LSB (least significant bit) MSB (most significant bit) 256 : 1, Binary Weighted -5 IN Os4 Bottom View --25 D5 0 0 0 0 0 0 1 1 1 --24 D4 0 0 0 0 0 1 1 1 1 --23 D3 0 0 0 0 1 1 1 1 1 --22 D2 0 0 0 1 1 1 1 1 1 --21 D1 0 0 1 1 1 1 1 1 1 PC --26 D6 0 0 0 0 0 0 0 1 1 LSB 20 D0 0 1 1 1 1 1 1 1 1 Bit Weight fc Corner Frequency Input Voltage (Vs = 15 Vdc) Low Level In 0 Vdc min. High Level In 11 Vdc min. Input Current High Level In Low Level In Input Capacitance Latch Response 1 Data Set Up Time 2 Data Hold Time Strobe Pulse Width Input Data Format Positive Logic Bit Weighting D0 D7 Frequency Range fmax/256 fmax/128 fmax/64 fmax/32 fmax/16 fmax/8 fmax/4 fmax/2 fmax 0 0 0 0 0 1 Notes: 1.Frequency data must be present before occurrence of strobe edge. 2.Frequency data must be present after occurrence of strobe edge. 2 25 Locust St. * Haverhill, Massachusetts 01830 * (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 R854 Series Range Switch 8-Bit Programmable Model Product Specifications Transfer Function Size Range fc Theoretical Transfer Characteristics Passband Ripple (theoretical) 4-Pole Low-Pass Filters R854L8L R854L8Y2 R854L8Y5 R854L8B 4-Pole, Butterworth 4.0" x 2.0" x 0.6" 1.0 Hz to 102.4 kHz Appendix A Page 7 0.0 dB 0 0.1 dB max. 0 0.05 dB typ. 24 dB/octave fc 0.01% /C - 3 dB -180 0.67 dB 3.01 dB 30.0 dB 40.0 dB 0 - 0.8 fc 2% max. 4-Pole, Bessel 4.0" x 2.0" x 0.6" 1.0 Hz to 102.4 kHz Appendix A Page 2 0.0 dB 0 0.1 dB max. 0 0.05 dB typ. 24 dB/octave fc 0.01% /C - 3 dB -121 1.86 dB 3.01 dB 30.0 dB 40.0 dB 0 - fc 2% max. 4-Pole, Chebychev, 0.2 dB Ripple 4.0" x 2.0" x 0.6" 1.0 Hz to 102.4 kHz Appendix A Page 12 0.2 dB 0 0.1 dB max. 0 0.05 dB typ. 24 dB/octave fc 0.01% /C - 3 dB - 231 -0.20 dB 3.01 dB 30.0 dB 40.0 dB 0 - 0.8 fc 2% max. 4-Pole, Chebychev, 0.5 dB Ripple 4.0" x 2.0" x 0.6" 1.0 Hz to 102.4 kHz Appendix A Page 15 0.5 dB 0 0.1 dB max. 0 0.05 dB typ. 24 dB/octave fc 0.01% /C - 3 dB -245 -0.43 dB 3.01 dB 30.0 dB 40.0 dB 0 - 0.8 fc 2% max. DC Voltage Gain (non-inverting) Stopband Attenuation Rate Cutoff Frequency Stability Amplitude Phase Filter Attenuation (theoretical) 0.80 fc 1.00 fc 2.37 fc 3.16 fc 0.80 fc 1.00 fc 3.50 fc 4.72 fc 2 max. 1 typ. 0.80 fc 1.00 fc 1.89 fc 2.46 fc 0.80 fc 1.00 fc 1.80 fc 2.33 fc Phase Match1 2 max. 1 typ. 0.8 fc - 1.0 fc 3 max. 1.5 typ. 0 - 0.8 fc 0.2 dB max. 0.1 dB typ. 0.8 fc - 1.0 fc 0.3 dB max. 0.15 dB typ. 2 max. 1 typ. 0.8 fc - 1.0 fc 3 max. 1.5 typ. 2 max. 1 typ. 0.8 fc - 1.0 fc 3 max. 1.5 typ. 0.2 dB max. 0.1 dB typ. 0.8 fc - 1.0 fc 0.3 dB max. 0.15 dB typ. < - 88 dB typ. 200 Vrms typ. 50 Vrms typ. 0 - 0.8 fc Amplitude Accuracy (theoretical) 0 - fc 0.2 dB max. 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. < - 88 dB typ. 200 Vrms typ. 50 Vrms typ. 0 - 0.8 fc Total Harmonic Distortion @ 1 kHz Wide Band Noise (5 Hz - 2 MHz) < - 100 dB typ. 200 Vrms typ. 50 Vrms typ. < - 100 dB typ. 200 Vrms typ. 50 Vrms typ. Narrow Band Noise (5 Hz - 100 kHz) Filter Mounting Assembly FMA-03A FMA-03A FMA-03A FMA-03A 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 * (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 R854 Series Range Switch 8-Bit Programmable Model Product Specifications Transfer Function Size Range fc Theoretical Transfer Characteristics Passband Ripple (theoretical) 4-Pole High-Pass Filters R854H8Y2 R854H8Y5 R854H8B 4-Pole, Butterworth 4.0" x 2.0" x 0.6" 1.0 Hz to 102.4 kHz Appendix A Page 27 0.0 dB 0 0.2 dB to 100 kHz 0 0.5 dB to 120 kHz 120 kHz (-6 dB) 1 MHz 24 dB/octave fc 0.01% /C - 3 dB 180 40 dB 30 dB 3.01 dB 0.02 dB 2% max. 4-Pole, Chebychev, 0.2 dB Ripple 4.0" x 2.0" x 0.6" 1.0 Hz to 102.4 kHz Appendix A Page 31 0.2 dB 0 0.2 dB to 100 kHz 0 0.5 dB to 120 kHz 120 kHz (-6 dB) 1 MHz 24 dB/octave fc 0.01% /C - 3 dB 231 40.0 dB 30.0 dB 3.01 dB -0.07 dB 2% max. 4-Pole, Chebychev, 0.5 dB Ripple 4.0" x 2.0" x 0.6" 1.0 Hz to 102.4 kHz Appendix A Page 33 0.50 dB 0 0.2 dB to 100 kHz 0 0.5 dB to 120 kHz 120 kHz (-6 dB) 1 MHz 24 dB/octave fc 0.01% /C - 3 dB 245 40.0 dB 30.0 dB 3.01 dB -0.25 dB 2% max. Voltage Gain (non-inverting) Power Bandwidth Small Signal Bandwidth Stopband Attenuation Rate Cutoff Frequency Stability Amplitude Phase Filter Attenuation (theoretical) 0.31 fc 0.42 fc 1.00 fc 2.00 fc 0.41 fc 0.53 fc 1.00 fc 2.00 fc 0.43 fc 0.56 fc 1.00 fc 2.00 fc Phase Match1 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) 1.00 - 1.25 fc 0.3 dB max. 0.15 dB typ. 1.25 fc-100 kHz 0.2 dB max. 0.1 dB typ. < - 100 dB typ. 400 Vrms typ. 100 Vrms typ. 1.00 - 1.25 fc 0.3 dB max. 0.15 dB typ. 1.25 fc-100 kHz 0.2 dB max. 0.1 dB typ. < - 88 dB typ. 400 Vrms typ. 100 Vrms typ. 1.00 - 1.25 fc 0.3 dB max. 0.15 dB typ. 1.25 fc-100 kHz 0.2 dB max. 0.1 dB typ. < - 88 dB typ. 400 Vrms typ. 100 Vrms typ. Total Harmonic Distortion @ 1 kHz Wide Band Noise Narrow Band Noise (5 Hz - 100 kHz) Filter Mounting Assembly FMA-03A FMA-03A FMA-03A 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 * (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 R854 Series Specification (25C and Vs 15 Vdc) Analog Input Characteristics1 Impedance Voltage Range Max. Safe Voltage Analog Output Characteristics Impedance (Closed Loop) Linear Operating Range Maximum Current2 Offset Voltage3 Offset Temp. Coeff. Power Supply (Vs) Rated Voltage Operating Range Maximum Safe Voltage Quiescent Current 4-Pole Temperature Operating Storage 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. Pin-Out and Package Data Ordering Information Pin-Out & Package Data 4.00 10 k min. 10 Vpeak Vs 11 typ. 10 max. 0.6 0.2 min 0.04 Dia. Side View All dimensions are in inches All Case Dimensions 0.02" Grid Dimensions 0.1" x 0.1" 10V 2 mA 22 mV typ. 20 mV max. 50 V/C OUT +Vs -Vs R D7 D6 D5 D4 15 Vdc 12 to 18 Vdc 18 Vdc 13 mA typ. 20 mA max. -20 to +70C -25 to +85C 2.00 GND D3 D2 D1 D0 IN Os4 Bottom View PC Filter Mounting Assembly-See FMA-03A Ordering Information Filter Type L - Low Pass H - High Pass Transfer Function B - Butterworth L - Bessel Y2 - Chebychev (0.2 dB Ripple) Y5 - Chebychev (0.2 dB Ripple) DC Offset Adjustment + Vs Do not connect if trim is not required. 20 k (Cermet) OS R854L8B-3/5 Model Number e.g., Model Number 2 3 4 5 6 Tuning Range (Hz) 1.0 to 256 10 to 2560 100 to 25.6k 200 to 51.2k 400 to 102.4k Minimum Step(Hz) 1.0 10 100 200 400 - Vs 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-00R854-01 5 25 Locust St. * Haverhill, Massachusetts 01830 * (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 Appendix A Theoretical Transfer Characteristics f/fc (Hz) 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.85 0.90 0.95 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.25 2.50 2.75 3.00 3.25 3.50 4.00 5.00 6.00 7.00 8.00 9.00 10.0 Amp (dB) 0.00 -0.028 -0.111 -0.251 -0.448 -0.705 -1.02 -1.41 -1.86 -2.11 -2.40 -2.69 -3.01 -3.71 -4.51 -5.39 -6.37 -7.42 -8.54 -9.71 -10.9 -12.2 -13.4 -16.5 -19.5 -22.4 -25.1 -27.6 -30.0 -34.4 -41.9 -48.1 -53.4 -58.0 -62.0 -65.7 Phase (deg) 0.00 -12.1 -24.2 -36.3 -48.4 -60.6 -72.7 -84.8 -96.8 -103 -109 -115 -121 -133 -144 -156 -166 -177 -187 -195 -204 -212 -219 -235 -248 -259 -267 -275 -281 -291 -305 -315 -321 -326 -330 -333 Delay (sec) .336 .336 .336 .336 .336 .336 .336 .336 .335 .334 .333 .332 .330 .325 .318 .308 Delay (sec) 1 4-Pole Bessel Frequency Response 0 -20 Amp (dB) -40 -60 -80 -100 0.1 2 3 4 5 6 7 8 1.0 2 3 4 567 10.0 Normalized Frequency(f/fc) Delay (Normalized) 1.0 .295 .280 .263 .246 .228 .211 .194 .158 .129 .107 .089 .076 .065 .049 .031 0.5 0.0 0.1 0.15 2 3 4 5 6 7 8 91.0 1.5 Normalized Time (1/f sec) Step Response 1.2 Step Response (V/V) .021 .016 .012 .009 .008 1.0 0.8 0.6 0.4 0.2 -0.0 -0.2 0 1 2 3 4 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). Normalized Delay Actual Delay = Actual Corner Frequency (fc) in Hz Normalized Time (1/f sec) 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 * Fax on Demand: 978/521-5178 Low-Pass Appendix A Theoretical Transfer Characteristics f/fc (Hz) 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.85 0.90 0.95 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.25 2.50 2.75 3.00 3.25 3.50 4.00 5.00 6.00 7.00 8.00 9.00 10.0 Amp (dB) 0.00 0.00 0.00 -0.00 -0.003 -0.017 -0.072 -0.243 -0.674 -1.047 -1.555 -2.21 -3.01 -4.97 -7.24 -9.62 -12.0 -14.3 -16.4 -18.5 -20.5 -22.3 -24.1 -28.2 -31.8 -35.1 -38.2 -41.0 -43.5 -48.2 -55.9 -62.3 -67.6 -72.2 -76.3 -80.0 Phase (deg) 0.00 -15.0 -30.1 -45.5 -61.4 -78.0 -95.7 -115 -136 -147 -158 -169 -180 -200 -217 -231 -242 -252 -260 -266 -272 -277 -282 -291 -299 -304 -309 -313 -317 -322 -330 -335 -339 -341 -343 -345 Delay (sec) .416 .418 .423 .433 .449 .474 .511 .558 .604 .619 .622 .612 .588 .513 .427 .350 Delay (sec) 1 4-Pole Butterworth Frequency Response 0 -20 Amp (dB) -40 -60 -80 -100 0.1 2 3 4 5 6 7 8 1.0 2 3 4 567 10.0 Normalized Frequency(f/fc) Delay (Normalized) 2.0 .289 .241 .204 .175 .152 .134 .119 .091 .072 .059 .049 .041 .035 .027 .017 1.0 0.0 0.1 0.15 2 3 4 5 6 7 8 91.0 1.5 Normalized Frequency(f/fc) Step Response 1.2 Step Response (V/V) .012 .009 .007 .005 .004 1.0 0.8 0.6 0.4 0.2 -0.0 0 1 2 3 4 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). Normalized Delay Actual Delay = Actual Corner Frequency (fc) in Hz Normalized Time (1/f sec) 7 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 Appendix A Theoretical Transfer Characteristics f/fc (Hz) 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.85 0.90 0.95 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.25 2.50 2.75 3.00 3.25 3.50 4.00 5.00 6.00 7.00 8.00 9.00 10.0 Amp (dB) 0.000 0.039 0.129 0.195 0.174 0.074 0.000 0.074 0.199 0.063 -0.443 -1.47 -3.01 -6.89 -10.8 -14.5 -17.7 -20.7 -23.4 -25.8 -28.1 -30.2 -32.2 -36.7 -40.6 -44.1 -47.3 -50.2 -52.8 -57.6 -65.5 -71.9 -77.3 -82.0 -86.1 -89.8 Phase (deg) 0.00 -17.3 -35.2 -54.0 -73.4 -93.2 -113 -135 -162 -178 -196 -214 -231 -257 -274 -286 -294 -300 -306 -310 -313 -316 -319 -324 -328 -331 -334 -336 -338 -341 -345 -347 -349 -351 -352 -352 Delay (sec) .478 .487 .509 .533 .547 .553 .575 .654 .836 .947 1.02 .989 .873 .583 .385 .271 Delay (sec) 1 4-Pole, 0.2 dB Ripple Chebychev Frequency Response 0 -20 Amp (dB) -40 -60 -80 -100 0.1 2 3 4 5 6 78 1.0 2 3 4 5 6 7 810.0 Normalized Frequency(f/fc) Delay (Normalized) 2.0 .202 .158 .128 .107 .090 .078 .068 .051 .039 .032 .026 .022 .018 .014 .009 1.0 0.0 0.1 0.15 2 3 4 5 6 7 8 91.0 1.5 Normalized Time (1/f sec) Step Response 1.2 Step Response (V/V) .006 .004 .003 .003 .002 1.0 0.8 0.6 0.4 0.2 -0.0 0 1 2 3 4 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). Normalized Delay Actual Delay = Actual Corner Frequency (fc) in Hz Normalized Time (1/f sec) 12 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 Appendix A Theoretical Transfer Characteristics f/fc (Hz) 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.85 0.90 0.95 1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.25 2.50 2.75 3.00 3.25 3.50 4.00 5.00 6.00 7.00 8.00 9.00 10.0 Amp (dB) 0.00 0.087 0.295 0.474 0.463 0.248 0.025 0.072 0.432 0.482 0.062 -1.12 -3.01 -7.61 -12.0 -15.9 -19.3 -22.4 -25.1 -27.6 -29.9 -32.1 -34.1 -38.6 -42.6 -46.1 -49.3 -52.2 -54.9 -59.7 -67.6 -74.0 -79.4 -84.1 -88.2 -91.9 Phase (deg) 0.00 -17.3 -35.7 -55.7 -76.9 -98.2 -119 -141 -168 -185 -205 -226 -245 -272 -288 -298 -305 -311 -315 -318 -321 -324 -326 -301 -334 -336 -339 -340 -342 -344 -347 -350 -351 -352 -353 -354 Delay (sec) .476 .492 .533 .577 .596 .583 .578 .647 .881 1.06 1.18 1.13 .946 .559 .345 .235 Delay (sec) 1 4-Pole, 0.5 dB Ripple Chebychev Frequency Response 0 -20 Amp (dB) -40 -60 -80 -100 0.1 2 3 4 5 6 78 1.0 2 3 4 5 6 7 810.0 Normalized Frequency(f/fc) Delay (Normalized) 2.0 .173 .134 .108 .089 .075 .065 .057 .042 .033 .026 .021 .018 .015 .011 .007 1.0 0.0 0.1 0.15 2 3 4 5 6 7 8 91.0 1.5 Normalized Time (1/f sec) Step Response 1.2 Step Response (V/V) .005 .004 .003 .002 .002 1.0 0.8 0.6 0.4 0.2 -0.0 0 1 2 3 4 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). Normalized Delay Actual Delay = Actual Corner Frequency (fc) in Hz Normalized Time (1/f sec) 15 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 Appendix A Theoretical Transfer Characteristics f/fc (Hz) 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.85 0.90 0.95 1.00 1.20 1.40 1.60 1.80 2.00 2.50 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.0 Amp (dB) -80.0 -55.9 -41.8 -31.8 -24.1 -17.8 -12.6 -8.43 -6.69 -5.22 -3.99 -3.01 -0.908 -0.285 -0.100 -0.039 -0.017 -0.003 -0.001 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Phase (deg) 345 330 314 299 282 264 245 224 213 202 191 180 143 118 100 87.6 78.0 61.4 50.7 37.8 30.1 25.1 21.4 18.8 16.7 15.0 Delay (sec) .418 .423 .433 .449 .474 .511 .558 .604 .619 .622 .612 .588 .427 .289 .204 .152 .119 .072 .049 .027 .017 .012 .009 .007 .005 .004 1 4-Pole Butterworth Frequency Response 0 -20 Amp (dB) -40 -60 -80 -100 0.1 2 3 4 5 6 7 8 1.0 2 3 4 567 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 27 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 Appendix A Theoretical Transfer Characteristics f/fc (Hz) 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.20 1.50 1.70 2.00 2.50 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.0 Amp (dB) -89.8 -65.1 -51.1 -40.6 -32.2 -25.0 -18.6 -12.7 -7.34 -3.01 .140 .031 .003 .074 .174 .200 .170 .129 .098 .076 .060 .048 .040 Phase (deg) 352 345 337 328 319 308 296 280 259 231 172 128 111 93.2 73.4 60.4 44.5 35.2 29.2 24.9 21.7 19.3 17.3 Delay (sec) .212 .218 .228 .245 .272 .314 .383 .500 .686 .873 .633 .275 .197 .138 .088 .060 .033 .020 .014 .010 .008 .006 .005 1 4-Pole, 0.2 dB Ripple Chebychev Frequency Response 0 -20 Amp (dB) -40 -60 -80 -100 0.1 2 3 4 5 6 78 1.0 2 3 4 5 6 7 810.0 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 31 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 Appendix A Theoretical Transfer Characteristics f/fc (Hz) 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.20 1.50 1.70 2.00 2.50 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.0 Amp (dB) -91.9 -67.6 -53.1 -42.6 -34.1 -26.8 -20.2 -14.0 -8.13 -3.01 .500 .014 .043 .249 .469 .498 .401 .296 .221 .169 .133 .107 .088 Phase (deg) 354 347 341 334 326 317 307 293 274 245 179 133 117 98.2 76.9 62.7 45.5 35.7 29.4 25.0 21.8 19.3 17.3 Delay (sec) .174 .179 .188 .203 .226 .263 .326 .440 .651 .946 .693 .271 .199 .146 .095 .065 .035 .021 .014 .010 .008 .006 .005 1 4-Pole, 0.5 dB Ripple Chebychev Frequency Response 0 -20 Amp (dB) -40 -60 -80 -100 0.1 2 3 4 5 6 78 1.0 2 3 4 5 6 7 810.0 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 33 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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