page 1 of 3 feature advantages low mainline loss, 0.15 db provides excellent through-path signal transmission. high power handling, 200w usable in systems with a wide range of power requirements. the MBDA-30-451HP power handling capability is verifed into a 50 load and into open and short with full refected power, making it suitable for a wide range of transmission monitoring applications. excellent return loss, 30 db typ. (input and output) provides excellent matching for 50? systems. high directivity, 28 db high directivity allows accurate signal sampling through the coupled port with minimal measurement error. dc current passing up to 200w total power. suitable for use in systems requiring dc current at later stages. key features product overview mini-circuits MBDA-30-451HP high-power bi-directional coupler provides high power handling up to 200w and mainline loss of 0.15 db. covering frequencies from 225 to 450 mhz, it supports a wide variety of applications from power amplifers and antenna feeds to military applications and more. high directivity of 28 db provides accurate sampling from the coupled port, and 30 db typical input/output return loss provides excellent matching over full frequency range. the coupler is fabricated using laminated pcb process (1.0 x 1.0 x 0.051) and includes wrap-around terminations for good solderability and easy visual inspection. the big deal ? high power handling, up to 200w ? high directivity, 28 db ? low insertion loss, 0.15 db MBDA-30-451HP bi-directional coupler dc pass, high power 50? 30db coupling 200w 225 to 450 mhz mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com
page 2 of 3 maximum ratings pad connections** input 1 output 3 coupled forward 7 coupled reverse 5 ground 2,4,6,8 operating temperature, case* -55c to 105c storage temperature -55c to 105c dc+rf power 200w MBDA-30-451HP electrical schematic bi-directional coupler rev. a m155945 edr-11325 MBDA-30-451HP rav 160414 dc pass, high power features ? high directivity, 28 db typ. ? excellent return loss, 30 db typ ? high power, up to 200w ? dc current pass through input to output applications ? power amplifers ? antenna feeds ? vhf/uhf radios ? defense and military demo board mcl p/n: tb-861 suggested pcb layout (pl-468)*** case style: pq2074 *case temperature is defned as temperature on base plate. permanent damage may occur if any of these limits are exceeded. outline drawing suggested pcb land pattern bottom side 1 2 8 4 3 5 6 7 top side 1 2 3 8 4 5 6 7 metallization solder resist d typ d typ e g typ f typ a index b c l typ j t y p. h h j typ k k mcl m m electrical specifcations @ +25c parameter condition (mhz) min. typ. max. units frequency range 225 450 mhz insertion loss 225 - 450 0.15 0.25 db coupling 225 - 450 30.51.5 db coupling flatness () 225 - 450 0.85 1.0 db directivity 225 - 450 18 28 db return loss (input) 225 - 450 20 30 db return loss (output) 225 - 450 20 30 db return loss (coupling) 225 - 450 20 30 db input power (dc+rf) 1,2 225 - 450 200 w 2. bottom side of the pcb is continuous ground plane. denotes copper land pattern free of soldermask 1. trace width is shown for rogers ro4350b with dielectric thickness. .020".0015". copper: 1/2 oz. each side. for other materials trace width may need to be modified. notes: denotes pcb copper layout with smobc (solder mask over bare copper) 8 1 8 5 7 6 2 3 4 3 .080.002 line width 4 pl. (see below) package outline .040 ref. t y p. .974 ref. .974 ref. ?.020 pth. typ. for ground *** wraparound solder on ground pins may not be shown outline dimensions ( ) inch mm h j k l m wt. 1.010 .080 .750 .050 .015 grams 26.65 2.03 19.05 1.27 0.38 4.0 a b c d e f g 1.000 1.000 .051 .075 .700 .013 .050 24.50 24.50 1.30 1.90 17.78 0.33 1.27 **model is bi-directional and all ports are interchangeable, se e port function table. port function interchange input output coupled forward coupled reverse 1 3 7 5 3 1 5 7 5 7 3 1 7 5 1 3 50: 30db coupling 200w 225 to 450 mhz 1. under all system matching conditions, with base plate maintained at 105c 2. verifed with 50 load, open and short at rf out. mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com
page 3 of 3 0 0.1 0.2 0.3 0.4 0.5 225 275 325 375 425 475 mainline loss (db) frequency (mhz) mbda - 30 - 451hp mainline loss (db) - 55 c +25 c +105 c 30 30.4 30.8 31.2 31.6 32 225 275 325 375 425 475 coupling (db) frequency (mhz) mbda - 30 - 451hp coupling (db) in - cpl fwd out - cpl rev 20 23 26 29 32 35 225 275 325 375 425 475 directivity (db) frequency (mhz) mbda - 30 - 451hp directivity (db) in - cpl fwd - 55 c out - cpl rev - 55 c in - cpl fwd +25 c out - cpl rev+25 c in - cpl fwd +105 c out - cpl rev+105 c MBDA-30-451HP typical performance data * additional notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp 10 20 30 40 50 60 225 275 325 375 425 475 return loss (db) frequency (mhz) mbda - 30 - 451hp return loss (db) in out cpl fwd cpl rev frequency mainline loss coupling directivity return loss (mhz) (db) (db) (db) (db) in - out in-cpl fwd out-cpl rev in-cpl fwd out-cpl rev in out cpl fwd cpl rev -55c +25c +105c -55c +25c +105c -55c +25c +105c 225.00 0.10 0.11 0.12 31.90 31.88 26.17 26.44 24.88 25.18 26.08 25.26 38.52 36.29 36.29 35.76 240.00 0.11 0.11 0.12 31.53 31.51 26.01 26.63 25.62 24.80 26.20 25.98 39.17 36.60 37.09 36.43 255.00 0.12 0.12 0.13 31.22 31.21 25.94 27.31 26.89 24.65 26.49 27.04 40.92 37.28 38.13 37.53 270.00 0.12 0.12 0.13 30.96 30.95 26.00 27.52 27.89 24.52 26.83 27.98 42.27 38.20 38.98 38.68 285.00 0.12 0.12 0.13 30.75 30.74 25.87 27.63 28.62 24.31 26.89 28.84 44.04 39.53 39.76 40.01 300.00 0.13 0.13 0.14 30.57 30.56 25.92 27.94 30.03 24.46 27.24 30.01 45.46 42.15 41.38 43.49 315.00 0.14 0.14 0.15 30.43 30.42 26.07 28.40 31.38 24.68 27.45 31.18 44.25 44.34 42.04 49.57 330.00 0.14 0.14 0.15 30.32 30.31 26.03 28.18 31.51 24.79 27.35 31.16 43.07 43.69 42.19 57.38 345.00 0.14 0.14 0.15 30.24 30.24 25.93 27.96 31.35 24.91 27.03 30.57 40.32 41.36 40.82 47.99 360.00 0.15 0.15 0.16 30.21 30.19 25.88 27.62 31.05 25.07 26.73 29.67 37.19 38.02 38.24 41.77 375.00 0.15 0.15 0.16 30.21 30.21 25.43 27.18 30.23 24.99 26.43 28.78 35.04 35.83 36.36 38.02 390.00 0.16 0.15 0.16 30.26 30.25 24.84 26.24 28.56 24.75 25.64 27.48 33.05 33.73 34.27 35.47 405.00 0.16 0.16 0.17 30.33 30.33 24.20 25.23 26.99 24.32 24.84 26.22 31.00 31.56 32.26 32.83 420.00 0.17 0.16 0.18 30.44 30.43 23.68 24.53 25.89 24.06 24.10 25.18 29.60 29.94 30.58 30.96 435.00 0.18 0.17 0.19 30.58 30.57 23.09 23.64 24.67 23.51 23.40 24.09 28.64 28.84 29.57 29.57 450.00 0.18 0.18 0.19 30.76 30.75 22.21 22.47 23.33 22.75 22.37 22.84 27.55 27.73 28.32 28.31 460.00 0.19 0.18 0.20 30.90 30.90 21.76 21.83 22.52 22.20 21.75 22.05 26.75 26.96 27.53 27.55 475.00 0.19 0.18 0.20 31.17 31.16 20.91 20.90 21.47 21.36 20.89 21.02 25.75 25.97 26.52 26.46 * data at +25c unless specifed otherwise. mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com
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