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 applications power line interference rejection transducer output filtering production test instrumentation medical electronics equipment and research comb filtering and equalization noise and harmonic analysis rms measurements frequency spectrum analysis features/benefits: compact 32-pin footprint 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 center frequencies to meet a wide range of applications. description: the d68bp and d68br series of small 4-pole-pair fixed-frequency, precision band-pass and band- reject (notch) active filters that provide high performance in a compact 32-pin dip package, with a broad range of fixed center frequencies (fo) from 1 hz to 100 khz. each filter type features a near theoretical amplitude/phase response along with low output voltage noise enabling these filters to achieve a 10,000:1 or better dynamic signal range. pretuned to within 2% of the fixed, user specified center frequency, d68bp band-pass filters pass all frequencies lying between the upper and lower -3db points of the amplitude response curve, while d68br band-reject (notch) filters sharply attenuate those frequencies that are bound and defined by the bottom of the notch. available q s for d68 bp models are 1, 2, 5, or 10 and d68br filters are 3 or 10. band pass and band reject d68bp & d68br series fixed frequency 4-pole pair filters 1 u.s. selling price (1-9) $270.00 ea. orders for export u.s. selling price + 20% minimum order value $150.00 f.o.b. haverhill, ma lead-time: 2-4 weeks a.r.o. accept visa, mcard, amex available band-pass models: . . . . . . . . . . . . . page d68bp4 4 pole pair . . . . . . . . . . . . . . . . . . .2 available band-reject models: d68br4 4-pole pair . . . . . . . . . . . . . . . . . . .2 general specifications: ordering information . . . . . . . . . . . . . . . . . . . . . . .3 pin-out/package data . . . . . . . . . . . . . . . . . . . . . .3
band-pass & band-reject d68bp & d68br series fixed frequency 4-pole pair 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 d68bp4 model d68br4 product specifications band-pass product specifications band-reject size 1.8" x 0.8" x 0.3" size 1.8" x 0.8" x 0.3" range f o 1 hz to 100 khz range f o 1 hz to 100 khz available "q s" 1 1, 2, 5, 10 available "q s" 1 3, 10 "q" accuracy 10 % "q" accuracy ? 0 % theoretical transfer appendix a theoretical transfer appendix a characteristics pages 41 & 42 characteristics pages 43 notch attenuation 45 db typ. pass-band gain 0 0.2 db typ pass-band gain 0 0.2 db typ. (non-inverting) 0 0.4 db max. (non-inverting) 0 0.4 db max. attenuation rate 24 db/octave attenuation rate 24 db/octave center frequency f o 2% max. center frequency f o 2% max. stability 0.01%/? stability 0.01%/? filter mounting fma-01a filter mounting fma-01a assembly assembly 1. q ?quality factor for band-pass and band-reject filters. q = f o /(f h -f l )f o = f h f l
d68bp & d68br 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-d68bp/br-04 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 specification (25? and vs 15vdc) dc offset adjustment vs - vs 20 k ? (cermet) do not connect if trim is not required. os analog input characteristics 1 impedance 10 k ? min. voltage range 10 vpeak max. safe voltage vs analog output characteristics impedance (closed loop) 1 1 ? typ. 10 ? max. linear operating range 10v maximum current 2 2 ma offset voltage 3 2 2 mv typ. 20 mv max. offset temp. coeff. 50 v/ c power supply ( v) rated voltage 15 vdc operating range 5 to 18 vdc maximum safe voltage 18 vdc quiescent current 25 ma typ. 40 ma max. temperature operating -2 0 to +70 c storage -25 to +85 c 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 0.30 1.80 d68bp4/10-849 hz e.g., 849 hz 2.50 khz 33.3 khz (fo) center frequency 5 filter type bp - band pass br - band reject ordering information ? bp - 1, 2, 5, 10 br - 3, 10 pin-out & package data 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 with out offset pin connected. 5. how to specify center frequency: center frequencies are specified by attaching a three digit frequency designator to the basic model number. center frequencies can range from 1.00 hz to 100 khz.
band-pass 4-pole pair appendix a 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 amplitude response cur ves normalized theoretical amplitude data q = 1 q = 2 q = 5 q = 10 amp f l < f o < f h f l < f o < f h f l < f o < f h f l < f o < f h (db) f/ f o f/ f o f/ f o f/ f o f/ f o f/ f o f/ f o f/ f o -0.10 0.735 1.360 0.856 1.168 0.939 1.064 0.969 1.032 -0.25 0.709 1.411 0.840 1.191 0.932 1.073 0.965 1.036 -0.50 0.687 1.456 0.826 1.211 0.926 1.080 0.962 1.039 -1.00 0.663 1.508 0.811 1.233 0.919 1.088 0.959 1.043 -1.50 0.648 1.543 0.801 1.249 0.914 1.094 0.956 1.046 -2.00 0.636 1.571 0.793 1.261 0.911 1.098 0.954 1.048 -2.50 0.627 1.596 0.787 1.271 0.908 1.102 0.953 1.050 -3.00 0.618 1.618 0.781 1.281 0.905 1.105 0.951 1.051 -5.00 0.591 1.692 0.762 1.313 0.896 1.116 0.946 1.057 -10.00 0.539 1.855 0.724 1.382 0.877 1.140 0.936 1.068 -15.00 0.493 2.027 0.688 1.454 0.858 1.165 0.926 1.080 -20.00 0.449 2.225 0.650 1.538 0.838 1.193 0.915 1.093 -25.00 0.407 2.459 0.611 1.637 0.816 1.226 0.903 1.108 -30.00 0.365 2.737 0.570 1.755 0.791 1.265 0.888 1.126 -35.00 0.326 3.065 0.527 1.896 0.763 1.311 0.872 1.146 -40.00 0.290 3.452 0.484 2.065 0.733 1.365 0.854 1.171 -45.00 0.256 3.908 0.441 2.267 0.699 1.430 0.834 1.199 -50.00 0.225 4.442 0.399 2.507 0.664 1.507 0.811 1.233 -55.00 0.197 5.067 0.358 2.793 0.625 1.599 0.786 1.273 -60.00 0.173 5.796 0.319 3.131 0.585 1.710 0.758 1.320 -65.00 0.151 6.644 0.283 3.530 0.543 1.842 0.727 1.376 -70.00 0.131 7.630 0.250 4.000 0.500 2.000 0.693 1.443 -75.00 0.114 8.774 0.220 4.550 0.457 2.189 0.657 1.523 -80.00 0.099 10.01 0.193 5.193 0.414 2.414 0.618 1.618 0.1 1.0 10.0 2 3 4 5 6 7 8 2 3 4 5 6 7 8 normalized frequency (f/fo) -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 amp (db) normalized frequency (f/fo) 1.0 0.9 0.8 0.7 0.6 -5 -4 -3 -2 -1 0 amp (db) 1.1 1.2 1.4 1.3 1.5 1.6 q1 q2 q5 q10 q1 q2 q5 q10 41
band-pass 4-pole pair appendix a 25 locust st., haverhill, massachusetts 01830 t el:800/252-7074, 978/374-0761 f ax:978/521-1839 e-mail: sales@freqdev .com w eb address: http://www .freqdev .com fax on demand: 978/521-5178 phase response cur ves normalized frequency (f/fo) 1.0 0.9 0.8 0.7 0.6 -360 -270 -180 -90 0 90 180 270 360 phase (deg) 1.1 1.2 1.4 1.3 1.5 1.6 0.1 1.0 10.0 2 3 4 5 6 7 8 2 3 4 5 6 7 8 normalized frequency (f/fo) -360 -270 -180 -90 0 90 180 270 360 phase (deg) normalized theoretical phase data q = 1 q = 2 q = 5 q = 10 (+) (-) (+) (-) (+) (-) (+) (-) phase mag ( deg) f/ f o f/ f o f/ f o f/ f o f/ f o f/ f o f/ f o f/ f o 1.0 0.997 1.003 0.998 1.002 0.999 1.001 1.000 1.000 2.5 0.992 1.008 0.996 1.004 0.998 1.002 0.999 1.001 5.0 0.983 1.017 0.992 1.008 0.997 1.003 0.998 1.002 10.0 0.967 1.034 0.983 1.017 0.993 1.007 0.997 1.003 15.0 0.951 1.051 0.975 1.025 0.990 1.010 0.995 1.005 20.0 0.936 1.069 0.967 1.034 0.987 1.013 0.993 1.007 25.0 0.920 1.087 0.959 1.042 0.984 1.017 0.992 1.008 30.0 0.905 1.105 0.951 1.051 0.980 1.020 0.990 1.010 35.0 0.891 1.123 0.944 1.060 0.977 1.023 0.988 1.012 40.0 0.876 1.141 0.936 1.068 0.974 1.027 0.987 1.013 45.0 0.863 1.159 0.929 1.077 0.971 1.030 0.985 1.015 50.0 0.849 1.178 0.921 1.086 0.968 1.033 0.984 1.017 60.0 0.823 1.215 0.907 1.103 0.962 1.040 0.981 1.020 70.0 0.799 1.252 0.893 1.120 0.956 1.046 0.978 1.023 80.0 0.776 1.288 0.880 1.136 0.950 1.052 0.975 1.026 90.0 0.755 1.324 0.868 1.152 0.945 1.058 0.972 1.029 120.0 0.701 1.426 0.835 1.198 0.930 1.075 0.964 1.037 150.0 0.657 1.521 0.807 1.239 0.917 1.090 0.958 1.044 180.0 0.618 1.618 0.781 1.281 0.905 1.105 0.951 1.051 210.0 0.577 1.734 0.752 1.330 0.891 1.122 0.944 1.060 240.0 0.525 1.904 0.713 1.403 0.872 1.147 0.933 1.071 270.0 0.452 2.210 0.653 1.532 0.840 1.191 0.916 1.092 300.0 0.345 2.899 0.548 1.825 0.777 1.288 0.880 1.136 330.0 0.192 5.211 0.350 2.859 0.617 1.621 0.780 1.282 q1 q2 q5 q10 q1 q2 q5 q10 42
band-reject 4-p ole p air appendix a 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 q = 3 q = 10 amp (db) -0.10 0.799 1.251 0.935 1.069 -0.25 0.809 1.236 0.938 1.066 -0.50 0.818 1.223 0.941 1.062 -1.00 0.828 1.208 0.945 1.059 -1.50 0.835 1.198 0.947 1.056 -2.00 0.839 1.191 0.949 1.054 -2.50 0.844 1.185 0.95 1.053 -3.00 0.847 1.180 0.951 1.051 -5.00 0.858 1.165 0.955 1.047 -10.00 0.877 1.140 0.961 1.040 -15.00 0.892 1.121 0.966 1.035 -20.00 0.905 1.105 0.97 1.030 -25.00 0.916 1.092 0.974 1.027 -30.00 0.925 1.081 0.977 1.024 -35.00 0.933 1.072 0.979 1.021 -40.00 0.939 1.065 0.982 1.019 -45.00 0.945 1.059 0.983 1.017 -50.00 0.949 1.054 0.984 1.016 -55.00 0.952 1.050 0.985 1.015 -60.00 0.954 1.048 0.986 1.014 1 -70 -60 -50 -40 -30 -20 -10 0 1.1 1.2 .9 .8 q3 q10 0.1 1.0 10.0 2 3 4 5 6 7 8 2 3 4 5 6 7 8 nor maliz ed theoretical phase data q = 3 q = 10 (-) (+) (-) (+) phase mag ( deg) f/ f o f/ f o f/ f o f/ f o 1.0 0.020 49.66 0.067 14.88 2.5 0.050 19.91 0.164 6.087 5.0 0.100 10.03 0.306 3.268 10.0 0.194 5.160 0.504 1.985 15.0 0.279 3.590 0.621 1.609 20.0 0.352 2.838 0.696 1.437 25.0 0.416 2.405 0.746 1.340 30.0 0.470 2.129 0.783 1.278 35.0 0.515 1.940 0.810 1.235 40.0 0.555 1.803 0.831 1.204 45.0 0.588 1.700 0.848 1.180 50.0 0.617 1.620 0.861 1.161 60.0 0.664 1.505 0.882 1.133 70.0 0.701 1.427 0.897 1.115 80.0 0.729 1.372 0.909 1.101 90.0 0.752 1.330 0.917 1.090 120.0 0.797 1.255 0.934 1.071 150.0 0.824 1.214 0.943 1.060 180.0 0.844 1.185 0.950 1.052 210.0 0.862 1.160 0.957 1.045 nor maliz ed f requency (f/f o) nor maliz ed f requency (f/f o) -360 -270 -180 -90 0 90 180 270 360 phase (deg) phase response cur ves amplitude response cur ves normalized theoretical amplitude data q3 q10 amp (db) f l < f o < f h f l < f o < f h f / f o f / f o f / f o f / f o 43
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