temp. coeff. dielectric unloaded type f constant q (ppm/?) r (?.5) (at 7ghz) a 4 36.6 b 2 37.0 c 0 37.4 d 2 37.7 6000 min. e 4 38.0 f 6 38.3 g 8 38.6 h 10 38.9 part number dr 0.05 lr 0.05 frequency (mm) (mm) range* (ghz) drd046u 021 4.65 2.08 11.46 to 12.45 drd051u 022 5.06 2.24 10.54 to 11.45 drd055u 024 5.50 2.44 9.69 to 10.53 drd060u 027 5.98 2.65 8.91 to 9.68 drd065u 029 6.50 2.88 8.20 to 8.90 drd071u 031 7.07 3.14 7.54 to 8.19 drd077u 034 7.69 3.41 6.93 to 7.53 drd084u 037 8.36 3.71 6.38 to 6.92 drd091u 040 9.09 4.03 5.87 to 6.37 drd099u 044 9.88 4.38 5.40 to 5.86 drd107u 048 10.75 4.77 4.96 to 5.39 drd117u 052 11.68 5.18 4.56 to 4.95 drd127u 056 12.70 5.63 4.20 to 4.55 drd138u 061 13.81 6.13 3.86 to 4.19 drd150u 067 15.02 6.66 3.55 to 3.85 drd163u 072 16.33 7.24 3.27 to 3.54 drd178u 079 17.76 7.88 3.00 to 3.26 drd193u 088 19.31 8.56 2.76 to 2.99 drd210u 093 21.00 9.31 2.54 to 2.75 drd228u 101 22.83 10.13 2.34 to 2.53 drd248u 110 24.82 11.01 2.15 to 2.33 drd270u 120 26.99 11.97 1.98 to 2.14 drd293u 130 29.35 13.02 1.82 to 1.97 drd319u 142 31.91 14.15 1.67 to 1.81 drd347u 154 34.70 15.39 1.54 to 1.66 292 cg01-j high frequency devices dielectric resonators drd & drt u series part numbering table 1: q & f dimensions & frequency range general characteristics high unloaded q ?6,000 min. at 7ghz. high dielectric constant ? r 38. resonant frequency temperature coefficient from 4 to +10ppm/?. accurate and repeatable dielectric constant ( 0.5). improved spurious response (spurious modes are further removed from fundamental resonant frequency). decoupled mounting on supports above substrate maximizes operational q. dimensions & frequency range part number dr 0.05 dr 0.1 lr 0.05 frequency (mm) (mm) (mm) range* (ghz) drt051u020 022 5.06 2.24 10.54 to 11.45 _________________________ ___ _______________________ drt055u020 024 5.50 2.44 9.69 to 10.53 _________________________ ___ _______________________ drt060u020 027 5.98 2.0 2.65 8.91 to 9.68 _________________________ ___ _______________________ drt065u020 029 6.50 2.88 8.20 to 8.90 _________________________ ___ _______________________ drt071u020 031 7.07 3.14 7.54 to 8.19 _________________________ ___ _______________________ drt077u020 034 7.69 3.41 6.93 to 7.53 drt084u030 037 8.36 3.71 6.38 to 6.92 _________________________ ___ _______________________ drt091u030 040 9.09 3.0 4.03 5.87 to 6.37 _________________________ ___ _______________________ drt099u030 044 9.88 4.38 5.40 to 5.86 _________________________ ___ _______________________ drt105u030 046 10.50 4.60 5.08 to 5.51 drt107u040 048 10.75 4.77 4.96 to 5.39 _________________________ ___ _______________________ drt117u040 052 11.68 5.18 4.56 to 4.95 _________________________ ___ _______________________ drt127u040 056 12.70 5.63 4.20 to 4.55 _________________________ ___ _______________________ drt138u040 061 13.81 6.13 3.86 to 4.19 _________________________ ___ _______________________ drt150u040 067 15.02 4.0 6.66 3.55 to 3.85 _________________________ ___ _______________________ drt163u040 072 16.33 7.24 3.27 to 3.54 _________________________ ___ _______________________ drt178u040 079 17.76 7.88 3.00 to 3.26 _________________________ ___ _______________________ drt193u040 086 19.31 8.56 2.76 to 2.99 _________________________ ___ _______________________ drt200u040 086 20.00 8.63 2.67 to 2.89 drt200u040 086 20.00 6.0 8.63 2.66 to 2.88 identification f tol. (ppm/?) ?2 a 1 b ?.5 table 2: f tolerance note: *frequency is measured under the condition: lr/lo = 0.33. q can be approximated by: q 100,000 2.0 x fo + 2.6 fo = [ghz] drt 055 u 020 024 a drd = disk type outside diameter material inside diameter f (resonant freq., t.c.) thickness f tolerance drt = cylindrical type (dr) type (dr) for drt only as shown in table 1 (lr) as shown in table 2 note: for actual dimension in mm, divide number by 10. configuration ls lr dr do lr dr lr dr dr lo support resomics copper cavity drt drd
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