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 1.0 hz to 100 khz fixed frequency d74 & dp74 series 16 pin dip 4-pole filters available low-pass models: . . . . . . . . . . . . . . . . d74l4b 4-pole butterworth . . . . . . . . . . . . . . .2 dp74l4b 4-pole butterworth (low power) . . . . .2 d74l4l 4-pole bessel . . . . . . . . . . . . . . . . . . .2 dp74l4l 4-pole bessel (low power) . . . . . . . .2 available high-pass models: d74h4b 4-pole butterworth . . . . . . . . . . . . . . .2 general specifications: pin-out/package data & ordering information . . . .3 description the d74 and dp74 series of low-power, fixed- frequency, linear active filters are high performance, 4-pole filters in a compact package. these butterworth and bessel low-pass and butterworth high-pass filters (d74 only) combine linear active filter design with the space savings of a 16-pin dual in-line package (dip). each model comes factory tuned to a user-specified corner frequency between 1 hz and 100 khz (dp74, 1 hz to 5khz). these fully self-contained units require no external components or adjustments and operate with dynamic input voltage range from non-critical 5v to 18v power supplies. applications anti-alias filtering vibration & shock analysis automatic test equipment aerospace, navigation and sonar communication systems medical electronics sound and vibration testing noise elimination process control features/benefits: ?low cost solution for low frequency signal conditioning ?compact dip design minimizes board space requirements ?plug-in ready-to-use, reducing engineering design and manufacturing time ?factory tuned, no external clocks or adjustments needed saving time and labor of other discrete assembly solutions ?low harmonic distortion and wide signal-to-noise ratio to 12 bit resolution
fixed frequency d74 & dp74 series 4-pole low-pass and high-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 2 model d74l4b & dp74l4b d74l4l & dp74l4l model d74h4b product specifications low-pass low-pass high-pass transfer function 4-pole, butterworth 4-pole, bessel transfer function 4-pole, butterworth size 0.88?x 0.46?x 0.375 0.88?x 0.46?x 0.375 size 0.88?x 0.46?x 0.375 range f c d74 1 hz to 100 khz 1 hz to 100 khz range f c 1 hz to 100 khz dp74 1 hz to 5 khz 1 hz to 5 khz theoretical transfer appendix a appendix a theoretical transfer appendix a characteristics page 7 page 2 characteristics page 27 passband ripple 0.0 db 0.0 db passband ripple 0.0 db (theoretical) (theoretical) dc voltage gain 0 0.1 db typ. 0 0.1 db typ. voltage gain 0 0.1 db to 100 khz (non-inverting) (non-inverting) stopband stopband attenuation rate 24 db/octave 24 db/octave attenuation rate 24 db/octave power bandwidth 120 khz small signal bandwidth (-6 db) 1 mhz cutoff frequency f c 2% max. f c 2% max. cutoff frequency f c 2% max. stability 0.03% /? 0.03% /? stability 0.03% /? amplitude -3 db -3 db amplitude -3 db phase -180 -121 phase -180 filter attenuation 0.67 db 0.80 f c 1.86 db 0.80 f c filter attenuation 80 db 0.10 f c (theoretical) 3.01 db 1.00 f c 3.01 db 1.00 f c (theoretical) 60 db 0.18 f c 60.0 db 5.62 f c 60.0 db 8.48 f c 3.01 db 1.00 f c 80.0 db 10.0 f c 80.0 db 15.12 f c 0.00 db 4.00 f c total harmonic total harmonic distortion @ 1 khz distortion @ 1 khz d74 <-70 db <-70 db d74 <-70 db dp74 <-70 db <-70 db dp74 <-70 db wide band noise 200 vrms typ. 200 vrms typ. wide band noise 400 vrms typ. (5 hz - 2 mhz) (5 hz - 2 mhz) narrow band noise 50 vrms typ. 50 vrms typ. narrow band noise 100 vrms typ. (20 hz - 100 khz) (20 hz - 100 khz) filter mounting filter mounting assembly fma-01a fma-01a assembly fma-01a
specification (25? and vs 15 vdc) d74 & dp74 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-00d74-01 filter type l - low pass h - high pass analog input characteristics 1 impedance 10 k ? min. voltage range 10 vpeak max. safe voltage vs analog output characteristics impedance 1 ? linear operating range 10 v maximum current 2 d74 10 ma dp74 5 ma offset voltage 10 mv max. 1 3 mv typ. offset temp. coeff. 20 v / ? power supply ( v) rated voltage 15 vdc operating range 5 to 18 vdc maximum safe voltage 18 vdc quiescent current d74 5 ma max. 3 ma typ. quiescent current dp74 1 ma max. 600 a typ. temperature operating - 0 to + 70 ? storage - 25 to + 85 ? notes: 1. input and output signal voltage referenced to supply common. 2. output is short circuit protected to common. do not connect to vs. ordering information 3. how to specify corner frequency: corner frequencies are specified by attaching a three digit frequency designator to the basic model number. corner frequencies can range from 1 hz to 100 khz. d74l4b-849 hz - 3 db corner frequency 3 e.g., 849 hz 2.50 khz 33.3 khz transfer function b - butterworth l - bessel power level d ?standard power dp ?low power all dimensions are in inches all case dimensions 0.01" grid dimensions 0.1" x 0.1" -vs 8 in 1 15 gnd 12 +vs 11 out ? ? 0.30 0.46 ? ? (max.) 0.375 ? ? (max.) ? 0.15 (min.) (typ.) 0.88 ? ? ? ? 0.025 (max.) ? ? ? ? 0.09 0.10 (dia.) (typ.) (typ.) bottom view front view side view 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 3 filter mounting assembly-see fma-01a
low-pass 4-pole appendix a bessel 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 normalized frequency(f/fc) amp (db) normalized time (1/f sec) delay (sec) normalized time (1/f sec) step response (v/v) frequency response delay (normalized) 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 transfer 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. 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 f/fc (hz) amp (db) phase (deg) delay 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
low-pass 4-pole appendix a butterworth 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 (sec) normalized frequency(f/fc) amp (db) delay (sec) normalized time (1/f sec) step response (v/v) theoretical transfer characteristics 1 frequency response delay (normalized) 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. 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 f/fc (hz) amp (db) phase (deg) delay normalized frequency(f/fc)
high-pass 4-pole appendix a butterworth 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 (sec) normalized frequency(f/fc) amp (db) theoretical transfer characteristics 1 frequency 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. 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 f/fc (hz) amp (db) phase (deg) delay
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