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 0.02 hz to 1.00 hz fixed frequency d61 series 32-pin dip 4 - pole filters available low-pass models: . . . . . . . . . . . page d61l4b 4-pole butterworth . . . . . . . . . . . . . . . .2 d61l4l 4-pole bessel . . . . . . . . . . . . . . . . . . . .2 available high-pass models: . . . . . . . . . . . . . . . D61H4B 4-pole butterworth . . . . . . . . . . . . . . . .2 general specifications: pin-out/package data & ordering information . . . .3 description the d61 series of small 4-pole fixed-frequency, precision active filters provide high performance linear active filtering in a compact 32-pin dip package, with a broad range of corner frequencies and a choice of transfer functions. individual d61 filters can serve in low-pass or high- pass applications or be combined to create custom band-pass or band reject filters. these fully self- contained units require no external components or adjustments. each model comes factory tuned to a user-specified corner frequency between 0.02 hz and 1.00 hz and operate with low total harmonic distortion over a wide dynamic input voltage range from non-critical +/-5v to +/-18v power supplies. 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 acoustic and vibration analysis and control noise elimination signal reconstruction features/benefits: low harmonic distortion and wide signal-to-noise ratio compact 1.8"l x 0.8"w x 0.5"h minimizes board space requirements. plug-in ready-to-use, reducing engineering design and manufacturing cycle time. factory tuned, no external clocks or adjustments needed broad range of transfer characteristics and corner frequencies to meet a wide range of applications.
fixed frequency d61 series 4-pole low-pass filters 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 2 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 d61l4b d61l4l model D61H4B product specifications low-pass low-pass high-pass transfer function 4-pole, butterworth 4-pole, bessel transfer function 4-pole, butterworth size 1.8?x 0.8?x 0.5 1.8?x 0.8?x 0.5 size 1.8?x 0.8?x 0.5 range f c range f c d61 0.02 hz to 1.00 hz 0.02 hz to 1.00 hz d61 0.02 hz to 1.00 hz 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 max. 0 0.1 db max. voltage gain 0 0.2 db to 100 khz (non-inverting) 0 0.05 db typ. 0 0.05 db typ. (non-inverting) 0 0.5 db to 120 khz power bandwidth 120 khz small signal bandwidth (-6db) 1 mhz stopband stopband attenuation rate 24 db/octave 24 db/octave attenuation rate 24 db/octave cutoff frequency f c 2% max. f c 2% max. cutoff frequency f c 2% max. stability 0.01% /? 0.01% /? stability 0.01% /? amplitude -3db -3db amplitude -3db phase -180 -121 phase -180 filter attenuation 0.67 db 0.80 f c 1.86 db 0.80 f c filter attenuation 40 db 0.31 f c (theoretical) 3.01 db 1.00 f c 3.01 db 1.00 f c (theoretical) 30 db 0.42 f c 30.0 db 2.37 f c 30.0 db 3.50 f c 3.01 db 1.00 f c 40.0 db 3.16 f c 40.0 db 4.72 f c 0.02 db 2.00 f c phase match 1 0 - 0.8 f c 2 max. 0 - f c 2 max. phase match 1 0 - 100 khz 3 max. 1 typ. 1 typ. 1.5 typ. 0.8 fc - 1.0 f c 3 max. 1.5 typ. amplitude accuracy 0 - 0.8 f c 0.2 db max. 0 - f c 0.2 db max. amplitude accuracy 1.0 - 1.25 f c 0.30 db max. (theoretical) 0.1 db typ. 0.1 db typ. (theoretical) 0.15 db typ. 0.8 fc - 1.0 f c 0.3 db max. 1.25 f c -100 khz 0.20 db max. 0.15 db typ. 0.10 db typ. wide band noise 200 m vrms typ. 200 m vrms typ. wide band noise 400 m vrms typ. (5 hz - 2 mhz) (5 hz - 2 mhz) narrow band noise 50 m vrms typ. 50 m vrms typ. narrow band noise 100 m vrms typ. (20 hz - 100 khz) (20 hz - 100 khz) filter mounting filter mounting assembly fma-01a fma-01a assembly fma-01a
specification (25c and vs 15 vdc) d61 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-00d61-00 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 filter type l - low pass h - high pass analog input characteristics 1 impedance 10 k w min. voltage range 10 vpeak max. safe voltage vs analog output characteristics impedance(closed loop) 1 w typ. 10 w max. linear operating range 10 v maximum current 2 2 ma offset voltage 3 0 2 mv typ. 10 mv max. offset temp. coeff. 50 m v / c power supply (v) rated voltage 15 vdc operating range 5 to 18 vdc maximum safe voltage 18 vdc quiescent current d61 12.5 ma typ. 20 ma max. temperature operating - 0 to + 70 c storage - 25 to + 85 c 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. ordering information side view 0.80 0.025 dia. all dimensions are in inches all case dimensions 0.01" bottom view +vs out -vs in gnd 0.80 0.70 0.10 0.00 0.00 0.15 0.45 0.55 1.55 1.65 1.80 os 4 0.15 (min) front view 0.50 1.80 4. units operate with or without offset pin connected. 5. 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 0.02 hz to 1.00 hz. d61l4b-0.05 hz - 3 db corner frequency 5 e.g., 0.05 hz 0.85 hz 1.00 hz transfer function b - butterworth l - bessel dc offset adjustment vs - vs 20 k w (cermet) do not connect if trim is not required. os 3 filter mounting assembly-see fma-01a
lo w-p ass 4-p ole appendix a bessel 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 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 delay = normalized delay actual corner frequency (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 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 (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 delay = normalized delay actual corner frequency (fc) in hz f/fc (hz) amp (db) phase (deg) dela y nor maliz ed f requency(f/fc)
high-p ass 4-p ole appendix a butterw or th 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 (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 delay = normalized delay actual corner frequency (fc) in hz f/fc (hz) amp (db) phase (deg) dela y
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