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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 1 hz to 102.4 khz 8-bit programmable 824 series 2" x 2" 4-pole filters 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 k w (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. plug-in ready-to-use, reducing engineering de- sign 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. 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: . . . . . . . . . . . . . . . . . . . 824l8b 4-pole butterworth . . . . . . . . . . . . . . . . . . 3 824l8l 4-pole bessel . . . . . . . . . . . . . . . . . . . . . . 3 824l8y2 4-pole cheby (0.2 db ripple) . . . . . . . . . . 3 824l8y5 4-pole cheby (0.5 db ripple) . . . . . . . . . . 3 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
8-bit programmable filters 824 series digital tuning & control characteristics 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 2 msb --- --- --- --- --- --- lsb 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 d 7 d 6 d 5 d 4 d 3 d 2 d 1 d 0 00000000f max /256 00000001f max /128 00000011f max /64 00000111f max /32 00001111f max /16 00011111f max /8 00111111f max /4 01111111f max /2 11111111 fmax bit weight fc corner frequency +vs out -vs d d d d gnd d d d d in 2.00 bottom view os 4 5 3 2 1 0 6 7 4 pin-out key in analog input signal d 7 tuning bit 7 (msb) out analog output signal d 6 tuning bit 6 gnd power and signal return d 5 tuning bit 5 +vs supply voltage, positive d 4 tuning bit 4 -vs supply voltage, negative d 3 tuning bit 3 os offset adjustment d 2 tuning bit 2 d 1 tuning bit 1 d 0 tuning bit 0 (lsb) digital tuning characteristics 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 (d 0 - d 7 ). filter tuning follows the tuning equation given below: f c = ( f max /256 ) [ 1 + d 7 x 2 7 + d 6 x 2 6 + d 5 x 2 5 + d 4 x 2 4 + d 3 x 2 3 + d 2 x 2 2 + d 1 x 2 1 + d 0 x 2 0 ] where d 1 - d 7 = "0" or "1", and f max = maximum tuning frequency; f c = corner frequency; minimum tunable frequency = f max /256 (d 0 thru d 7 = 0); minimum frequency step (resolution) = f max /256 data input specifications input data levels (cmos logic) input voltage (vs = 15 vdc) low level in 0 vdc min. 4 vdc max. high level in 11 vdc min. 15 vdc max. input current high level in - 10 -5 m a typ. -1 m a max. . low level in +10 -5 m a typ . +1 m a max. input capacitance 5 pf typ 7.5 pf max. input data format frequency select bits positive logic logic "1" = +vs logic "0" = gnd bit weighting (binary-coded) d 0 lsb (least significant bit) d 7 msb (most significant bit) frequency range 256 : 1, binary weighted
824 series 4-pole low-pass filters 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-bit programmable 1. unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same m anufacturing lot. 3 model 824l8b 824l8l 824l8y2 824l8y5 product specifications transfer function 4-pole, 4-pole, 4-pole, chebychev, 4-pole, chebychev, butterworth bessel 0.2 db ripple 0.5 db ripple size, model 2 2.0?x 2.0?x 0.5 2.0?x 2.0?x 0.5 2.0?x 2.0?x 0.5 2.0?x 2.0?x 0.5 model 3 thru 6 2.0?x 2.0?x 0.4 2.0?x 2.0?x 0.4 2.0?x 2.0?x 0.4 2.0?x 2.0?x 0.4 range f c 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 appendix a appendix a appendix a appendix a characteristics page 7 page 2 page 12 page 15 passband ripple 0.0 db 0.0 db 0.20 db 0.50 db (theoretical) dc voltage gain 0 0.1 db max. 0 0.1 db max. 0 0.1 db max. 0 0.1 db max. (non-inverting) 0 0.05 db typ. 0 0.05 db typ. 0 0.05 db typ. 0 0.05 db typ. stopband attenuation rate 24 db/octave 24 db/octave 24 db/octave 24 db/octave cutoff frequency f c 2% max. f c 2% max. f c 2% max. f c 2% max. stability 0.01% /? 0.01% /? 0.01% /? 0.01% /? amplitude -3 db -3 db -3 db -3 db phase -180 -121 -231 -245 filter attenuation 0.67 db 0.80 f c 1.86 db 0.80 f c -0.20 db 0.80 f c -0.43 db 0.80 f c (theoretical) 3.01 db 1.00 f c 3.01 db 1.00 f c 3.01 db 1.00 f c 3.01 db 1.00 f c 30.0 db 2.37 f c 30.0 db 3.50 f c 30.0 db 1.89 f c 30.0 db 1.80 f c 40.0 db 3.16 f c 40.0 db 4.72 f c 40.0 db 2.46 f c 40.0 db 2.33 f c phase match 1 0 - 0.8 f c 2 max. 0 - f c 2 max. 0 - 0.8 f c 2 max. 0 - 0.8 f c 2 max. 1 typ. 1 typ. 1 typ. 1 typ. 0.8 fc - 1.0 f c 3 max. 0.8 f c - 1.0 f c 3 max. 0.8 f c - 1.0 f c 3 max. 1.5 typ. 1.5 typ. 1.5 typ. amplitude accuracy 0 - 0.8 f c 0.2 db max. 0 - f c 0.2 db max. 0 - 0.8 f c 0.2 db max. 0 - 0.8 f c 0.2 db max. (theoretical) 0.1 db typ. 0.1 db typ. 0.1 db typ. 0.1 db typ. 0.8 f c - 1.0 f c 0.3 db max. 0.8 f c - 1.0 f c 0.3 db max. 0.8 f c - 1.0 f c 0.3 db max. 0.15 db typ. 0.15 db typ. 0.15 db typ. total harmonic < - 100 db typ. < - 100 db typ. < - 88 db typ. < - 88 db typ. distortion @ 1 khz wide band noise 200 m vrms typ. 200 m vrms typ. 200 m vrms typ. 200 m vrms typ. (5 hz - 2 mhz) narrow band noise 50 m vrms typ. 50 m vrms typ. 50 m vrms typ. 50 m vrms typ. (5 hz - 100 khz) filter mounting assembly fma-02a fma-02a fma-02a fma-02a
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-bit programmable 824 series 4-pole high-pass filters 4 1. unit to unit match for the same transfer function, set to the same frequency and operating configuration, and from the same m anufacturing lot. model 824h8b 824h8y2 824h8y5 product specifications transfer function 4-pole, 4-pole,chebychev, 4-pole, chebychev, butterworth 0.2 db ripple 0.5 db ripple size, model 2 2.0?x 2.0?x 0.5 2.0?x 2.0?x 0.5 2.0?x 2.0?x 0.5 model 3 thru 6 2.0?x 2.0?x 0.4 2.0?x 2.0?x 0.4 2.0?x 2.0?x 0.4 range f c 1.0 hz to 102.4 khz 1.0 hz to 102.4 khz 1.0 hz to 102.4 khz theoretical transfer appendix a appendix a appendix a characteristics page 27 page 31 page 33 passband ripple 0.0 db 0.20 db 0.50 db (theoretical) voltage gain 0 0.2 db to 100 khz 0 0.2 db to 100 khz 0 0.2 db to 100 khz (non-inverting) 0 0.5 db to 120 khz 0 0.5 db to 120 khz 0 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 f c 2% max. f c 2% max. f c 2% max. stability 0.01% /? 0.01% /? 0.01% /? amplitude -3 db -3 db -3 db phase -180 -231 -245 filter attenuation 40 db 0.31 f c 40.0 db 0.41 f c 40.0 db 0.43 f c (theoretical) 30 db 0.42 f c 30.0 db 0.53 f c 30.0 db 0.56 f c 3.01 db 1.00 f c 3.01 db 1.00 f c 3.01 db 1.00 f c 0.02 db 2.00 f c -0.07 db 2.00 f c -0.25 db 2.00 f c phase match 1 f c - 100 khz 3 max. f c - 100 khz 3 max. f c - 100 khz 3 max. 1.5 typ. 1.5 typ. 1.5 typ. amplitude accuracy 1.0 - 1.25 f c 0.3 db max. 1.00 - 1.25 f c 0.3 db max. 1.00 - 1.25 f c 0.3 db max. (theoretical) 0.15 db typ. 0.15 db typ. 0.15 db typ. 1.25 f c -100 khz 0.2 db max. 1.25 f c -100 khz 0.2 db max. 1.25 f c -100 khz 0.2 db max. 0.1 db typ. 0.1 db typ. 0.1 db typ. total harmonic < - 100 db typ. < - 88 db typ. < - 88 db typ. distortion @ 1 khz wide band noise 400 m vrms typ. 400 m vrms typ. 400 m vrms typ. narrow band noise 100 m vrms typ. 100 m vrms typ. 100 m vrms typ. (5 hz - 100 khz) filter mounting assembly fma-02a fma-02a fma-02a
specification (25c and vs 15 vdc) 824 series pin-out and package data ordering information we hope the information given here will be helpful. the information is based on data and our best knowledge, and we consider th e 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 as sume 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 copyri ght. in-00824-02 dc offset adjustment vs - vs 20 k w (cermet) do not connect if trim is not required. os analog input characteristics 1 impedance 10 k w min. voltage range 10 vpeak max. safe voltage vs analog output characteristics impedance (closed loop) 1 1 w typ. 10 w max. linear operating range 10v maximum current 2 2 ma offset voltage 3 2 2 mv typ. 20 mv max. offset temp. coeff. 50 m v/c power supply ( v) rated voltage 15 vdc operating range 12 to 18 vdc maximum safe voltage 18 vdc quiescent current 4-pole 13 ma typ. 20 ma max. temperature operating -2 0 to +70c storage -25 to +85c 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. 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 side view +vs out -vs d d d d gnd d d d d in 2.00 0.4 2.00 bottom view g-1 0.15 min. 0.025 dia. os 4 5 3 2 1 0 6 7 4 g-3 0.5 filter type l - low pass h - high pass model tuning minimum number range (hz) step(hz) case 2 1.0 to 256 1.0 g-3 3 10 to 2560 10 g-1 4 100 to 25.6k 100 g-1 5 200 to 51.2k 200 g-1 6 400 to 102.4k 400 g-1 model number e.g., 824l8b-3 transfer function b - butterworth l - bessel y2 - chebychev (0.2 db ripple) y5 - chebychev (0.5 db ripple) ordering information all dimensions are in inches all case dimensions 0.02" grid dimensions 0.1" x 0.1" filter mounting assembly-see fma-02a pin-out & package data 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 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 product handling procedure programmable filter modules power sequence & esd
lo w-p ass 4-p ole appendix a bessel 2 25 locust st., ha v erhill, massachusetts 01830 t el :800/252-7074, 978/374-0761 f ax:978/521-1839 e-mail: sales@freqde v .com w eb address: http://www .freqde v .com f ax on demand: 978/521-5178 nor maliz ed f requency(f/fc) amp (db) nor maliz ed time (1/f sec) dela y (sec) nor maliz ed time (1/f sec) step response (v/v) frequenc y response dela y (nor maliz ed) step response 0.1 1.0 10.0 2 3 4 5 6 7 8 2 3 4 5 6 7 -100 -80 -60 -40 -20 0 0.1 1.0 2 3 4 5 6 7 8 9 0.0 0.5 1.0 1.5 0.15 0 1 2 3 4 5 -0.0 -0.2 0.2 0.4 0.6 0.8 1.0 1.2 (sec) theoretical t ransf er characteristics 1 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 1. normaliz ed gr oup dela y: t h e a b o v e d e l a y d a t a i s n o r m a l i z e d t o a c o r n e r f r e q u e n c y o f 1 . 0 h z . t h e a c t u a l d e l a y i s t h e n o r m a l i z e d d e l a y d i v i d e d b y t h e a c t u a l c o r n e r f r e q u e n c y ( f c ) . actual dela y = nor maliz ed dela y actual cor ner f requency (fc) in hz f/fc (hz) amp (db) phase (deg) dela y 0.00 -12.1 -24.2 -36.3 -48.4 -60.6 -48.1 -53.4 -58.0 -62.0 -65.7 -25.1 -27.6 -30.0 -34.4 -41.9 -12.2 -13.4 -16.5 -19.5 -22.4 -6.37 -7.42 -8.54 -9.71 -10.9 -2.69 -3.01 -3.71 -4.51 -5.39 -1.02 -1.41 -1.86 -2.11 -2.40 0.00 -0.028 -0.111 -0.251 -0.448 -0.705 -315 -321 -326 -330 -333 -267 -275 -281 -291 -305 -212 -219 -235 -248 -259 -166 -177 -187 -195 -204 -115 -121 -133 -144 -156 -72.7 -84.8 -96.8 -103 -109 .021 .016 .012 .009 .008 .089 .076 .065 .049 .031 .211 .194 .158 .129 .107 .295 .280 .263 .246 .228 .332 .330 .325 .318 .308 .336 .336 .335 .334 .333 .336 .336 .336 .336 .336 .336
lo w-p ass 4-p ole appendix a butterw or th 7 25 locust st., ha v erhill, massachusetts 01830 t el :800/252-7074, 978/374-0761 f ax:978/521-1839 e-mail: sales@freqde v .com w eb address: http://www .freqde v .com f ax on demand: 978/521-5178 (sec) nor maliz ed f requency(f/fc) amp (db) dela y (sec) nor maliz ed time (1/f sec) step response (v/v) theoretical t ransf er characteristics 1 frequenc y response dela y (nor maliz ed) step response 0.1 1.0 10.0 2 3 4 5 6 7 8 2 3 4 5 6 7 -100 -80 -60 -40 -20 0 0 1 2 3 4 5 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 0.1 1.0 2 3 4 5 6 7 8 9 0.0 1.0 2.0 1.5 0.15 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 -62.3 -67.6 -72.2 -76.3 -80.0 -38.2 -41.0 -43.5 -48.2 -55.9 -22.3 -24.1 -28.2 -31.8 -35.1 -12.0 -14.3 -16.4 -18.5 -20.5 -2.21 -3.01 -4.97 -7.24 -9.62 -0.072 -0.243 -0.674 -1.047 -1.555 0.00 0.00 0.00 -0.00 -0.003 -0.017 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 .012 .009 .007 .005 .004 .049 .041 .035 .027 .017 .134 .119 .091 .072 .059 .289 .241 .204 .175 .152 .612 .588 .513 .427 .350 .511 .558 .604 .619 .622 .416 .418 .423 .433 .449 .474 1. normaliz ed gr oup dela y: t h e a b o v e d e l a y d a t a i s n o r m a l i z e d t o a c o r n e r f r e q u e n c y o f 1 . 0 h z . t h e a c t u a l d e l a y i s t h e n o r m a l i z e d d e l a y d i v i d e d b y t h e a c t u a l c o r n e r f r e q u e n c y ( f c ) . actual dela y = nor maliz ed dela y actual cor ner f requency (fc) in hz f/fc (hz) amp (db) phase (deg) dela y nor maliz ed f requency(f/fc)
lo w-p ass 4-p ole , 0.2 db ripple appendix a cheb yc he v 12 25 locust st., ha v erhill, massachusetts 01830 t el :800/252-7074, 978/374-0761 f ax:978/521-1839 e-mail: sales@freqde v .com w eb address: http://www .freqde v .com f ax on demand: 978/521-5178 nor maliz ed f requency(f/fc) amp (db) nor maliz ed time (1/f sec) dela y (sec) nor maliz ed time (1/f sec) step response (v/v) frequenc y response dela y (nor maliz ed) step response 0.1 1.0 10.0 2 3 4 5 6 7 8 2 3 4 5 6 7 8 -100 -80 -60 -40 -20 0 0 1 2 3 4 5 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 0.1 1.0 2 3 4 5 6 7 8 9 0.0 1.0 2.0 1.5 0.15 (sec) theoretical t ransf er characteristics 1 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 1. normaliz ed gr oup dela y: t h e a b o v e d e l a y d a t a i s n o r m a l i z e d t o a c o r n e r f r e q u e n c y o f 1 . 0 h z . t h e a c t u a l d e l a y i s t h e n o r m a l i z e d d e l a y d i v i d e d b y t h e a c t u a l c o r n e r f r e q u e n c y ( f c ) . actual dela y = nor maliz ed dela y actual cor ner f requency (fc) in hz f/fc (hz) amp (db) phase (deg) dela y -71.9 -77.3 -82.0 -86.1 -89.8 -47.3 -50.2 -52.8 -57.6 -65.5 -30.2 -32.2 -36.7 -40.6 -44.1 -17.7 -20.7 -23.4 -25.8 -28.1 -1.47 -3.01 -6.89 -10.8 -14.5 0.000 0.074 0.199 0.063 -0.443 0.000 0.039 0.129 0.195 0.174 0.074 -347 -349 -351 -352 -352 -334 -336 -338 -341 -345 -294 -300 -306 -310 -313 -214 -231 -257 -274 -286 -113 -135 -162 -178 -196 0.00 -17.3 -35.2 -54.0 -73.4 -93.2 .006 .004 .003 .003 .002 .026 .022 .018 .014 .009 .078 .068 .051 .039 .032 .202 .158 .128 .107 .090 .989 .873 .583 .385 .271 .575 .654 .836 .947 1.02 .478 .487 .509 .533 .547 .553 -316 -319 -324 -328 -331
lo w-p ass 4-p ole , 0.5 db ripple appendix a cheb yc he v 15 25 locust st., ha v erhill, massachusetts 01830 t el :800/252-7074, 978/374-0761 f ax:978/521-1839 e-mail: sales@freqde v .com w eb address: http://www .freqde v .com f ax on demand: 978/521-5178 nor maliz ed f requency(f/fc) amp (db) nor maliz ed time (1/f sec) dela y (sec) nor maliz ed time (1/f sec) step response (v/v) frequenc y response dela y (nor maliz ed) step response 0.1 1.0 10.0 2 3 4 5 6 7 8 2 3 4 5 6 7 8 -100 -80 -60 -40 -20 0 0.1 1.0 2 3 4 5 6 7 8 9 0.0 1.0 2.0 1.5 0.15 0 1 2 3 4 5 -0.0 0.2 0.4 0.6 0.8 1.0 1.2 (sec) theoretical t ransf er characteristics 1 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 1. normaliz ed gr oup dela y: t h e a b o v e d e l a y d a t a i s n o r m a l i z e d t o a c o r n e r f r e q u e n c y o f 1 . 0 h z . t h e a c t u a l d e l a y i s t h e n o r m a l i z e d d e l a y d i v i d e d b y t h e a c t u a l c o r n e r f r e q u e n c y ( f c ) . actual dela y = nor maliz ed dela y actual cor ner f requency (fc) in hz f/fc (hz) amp (db) phase (deg) dela y -74.0 -79.4 -84.1 -88.2 -91.9 -49.3 -52.2 -54.9 -59.7 -67.6 -32.1 -34.1 -38.6 -42.6 -46.1 -350 -351 -352 -353 -354 -339 -340 -342 -344 -347 -324 -326 -301 -334 -336 .005 .004 .003 .002 .002 .021 .018 .015 .011 .007 .065 .057 .042 .033 .026 -19.3 -22.4 -25.1 -27.6 -29.9 -1.12 -3.01 -7.61 -12.0 -15.9 -305 -311 -315 -318 -321 0.025 0.072 0.432 0.482 0.062 -226 -245 -272 -288 -298 .173 .134 .108 .089 .075 1.13 .946 .559 .345 .235 0.00 0.087 0.295 0.474 0.463 0.248 -119 -141 -168 -185 -205 0.00 -17.3 -35.7 -55.7 -76.9 -98.2 .578 .647 .881 1.06 1.18 .476 .492 .533 .577 .596 .583
high-p ass 4-p ole appendix a butterw or th 27 25 locust st., ha v erhill, massachusetts 01830 t el :800/252-7074, 978/374-0761 f ax:978/521-1839 e-mail: sales@freqde v .com w eb address: http://www .freqde v .com f ax on demand: 978/521-5178 (sec) nor maliz ed f requency(f/fc) amp (db) theoretical t ransf er characteristics 1 frequenc y response 0.1 1.0 10.0 2 3 4 5 6 7 8 2 3 4 5 6 7 -100 -80 -60 -40 -20 0 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 0.00 0.00 0.00 0.00 0.00 0.00 -0.039 -0.017 -0.003 -0.001 0.00 -3.99 -3.01 -0.908 -0.285 -0.100 -17.8 -12.6 -8.43 -6.69 -5.22 -80.0 -55.9 -41.8 -31.8 -24.1 345 330 314 299 282 264 245 224 213 202 191 180 143 118 100 87.6 78.0 61.4 50.7 37.8 30.1 25.1 21.4 18.8 16.7 15.0 .017 .012 .009 .007 .005 .004 .152 .119 .072 .049 .027 .612 .588 .427 .289 .204 .511 .558 .604 .619 .622 .418 .423 .433 .449 .474 1. normaliz ed gr oup dela y: t h e a b o v e d e l a y d a t a i s n o r m a l i z e d t o a c o r n e r f r e q u e n c y o f 1 . 0 h z . t h e a c t u a l d e l a y i s t h e n o r m a l i z e d d e l a y d i v i d e d b y t h e a c t u a l c o r n e r f r e q u e n c y ( f c ) . actual dela y = nor maliz ed dela y actual cor ner f requency (fc) in hz f/fc (hz) amp (db) phase (deg) dela y
high-p ass 4-p ole , 0.2 db ripple appendix a cheb yc he v 31 25 locust st., ha v erhill, massachusetts 01830 t el :800/252-7074, 978/374-0761 f ax:978/521-1839 e-mail: sales@freqde v .com w eb address: http://www .freqde v .com f ax on demand: 978/521-5178 nor maliz ed f requency(f/fc) amp (db) frequenc y response 0.1 1.0 10.0 2 3 4 5 6 7 8 2 3 4 5 6 7 8 -100 -80 -60 -40 -20 0 (sec) theoretical t ransf er characteristics 1 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 1. normaliz ed gr oup dela y: t h e a b o v e d e l a y d a t a i s n o r m a l i z e d t o a c o r n e r f r e q u e n c y o f 1 . 0 h z . t h e a c t u a l d e l a y i s t h e n o r m a l i z e d d e l a y d i v i d e d b y t h e a c t u a l c o r n e r f r e q u e n c y ( f c ) . actual dela y = nor maliz ed dela y actual cor ner f requency (fc) in hz f/fc (hz) amp (db) phase (deg) dela y .060 .048 .040 .200 .170 .129 .098 .076 .140 .031 .003 .074 .174 -25.0 -18.6 -12.7 -7.34 -3.01 -89.8 -65.1 -51.1 -40.6 -32.2 21.7 19.3 17.3 60.4 44.5 35.2 29.2 24.9 172 128 111 93.2 73.4 308 296 280 259 231 352 345 337 328 319 .008 .006 .005 .060 .033 .020 .014 .010 .633 .275 .197 .138 .088 .314 .383 .500 .686 .873 .212 .218 .228 .245 .272
high-p ass 4-p ole , 0.5 db ripple appendix a cheb yc he v 33 25 locust st., ha v erhill, massachusetts 01830 t el :800/252-7074, 978/374-0761 f ax:978/521-1839 e-mail: sales@freqde v .com w eb address: http://www .freqde v .com f ax on demand: 978/521-5178 nor maliz ed f requency(f/fc) amp (db) frequenc y response 0.1 1.0 10.0 2 3 4 5 6 7 8 2 3 4 5 6 7 8 -100 -80 -60 -40 -20 0 (sec) theoretical t ransf er characteristics 1 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 1. normaliz ed gr oup dela y: t h e a b o v e d e l a y d a t a i s n o r m a l i z e d t o a c o r n e r f r e q u e n c y o f 1 . 0 h z . t h e a c t u a l d e l a y i s t h e n o r m a l i z e d d e l a y d i v i d e d b y t h e a c t u a l c o r n e r f r e q u e n c y ( f c ) . actual dela y = nor maliz ed dela y actual cor ner f requency (fc) in hz f/fc (hz) amp (db) phase (deg) dela y .133 .107 .088 .498 .401 .296 .221 .169 .500 .014 .043 .249 .469 -26.8 -20.2 -14.0 -8.13 -3.01 -91.9 -67.6 -53.1 -42.6 -34.1 21.8 19.3 17.3 62.7 45.5 35.7 29.4 25.0 179 133 117 98.2 76.9 317 307 293 274 245 354 347 341 334 326 .008 .006 .005 .065 .035 .021 .014 .010 .693 .271 .199 .146 .095 .263 .326 .440 .651 .946 .174 .179 .188 .203 .226

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