iso 9001 iso 14001 as 9100 certified min i-cir cuits ? p . o . b ox 3 50166, b r ooklyn, new y ork 1 1 2 3 5-0 003 ( 7 18) 9 3 4-4 500 fax ( 7 1 8 ) 332-4661 the design engi ne ers search engi ne provides actual d ata in stantly a t ? notes: 1. performance and quality attributes and conditions not expr essly stated in this specification sheet ar e intended to be excluded and do not form a part of this specification sheet. 2. electrical specifications and performance data contained her ein ar e based on mini-cir cuit? s applicable established test performance criteria and measur ement instructions. 3. the parts cover ed by this specification sheet ar e subject to mini-cir cuits standar d limited warranty and terms and conditions (collectively , ?standar d t erms?) ; pur chasers of this part ar e entitled to the rights and benefits contained ther ein. for a full statement of the standar d t erms and the exclusive rights and r emedies ther eunder , please visit mini-cir cuits? website at www .minicir cuits.com/mclstor e/terms.jsp. for detailed performance specs & shopping online see web site min icir cuits.c o m if/rf microw a ve components typical performance data directional coupler electrical specifcations maximum ratings coaxial connections input 3 output 2 coupled 1 operating temperature -55c to 100c storage temperature -55c to 100c outline drawing outline dimensions ( ) inch mm zdc-20-3-75-1 mainline loss 0.0 0.2 0.4 0.6 0.8 1.0 55 62 69 76 83 90 frequency (mhz) mainline loss (db) at rf level of -10 dbm zdc-20-3-75-1 coupling & directivity 0 10 20 30 40 50 55 62 69 76 83 90 frequency (mhz) coupling & directivity (db) coupling directivity at rf level of -10 dbm zdc-20-3-75-1+ zdc-20-3-75-1 zdc-20-3-75-1 return loss 10 16 22 28 34 40 55 62 69 76 83 90 frequency (mhz) return loss (db) in out cpl at rf level of -10 dbm 75 ? 55 to 90 mhz directional coupler rev. b m119986 zdc-20-3-75-1 wz/td/cp/am 090915 coaxial abcdefgh 2.25 1.38 1.24 .50 .150 3.100 .138 1.238 57.15 35.05 31.50 12.70 3.81 78.74 3.51 31.45 j k l m n p s wt 3.25 .10 .40 1.15 1.86 .64 .150 grams 82.55 2.54 10.16 29.21 47.24 16.26 3.81 74.0 case style: m22 connectors model price qty. bnc zdc-20-3-75-1 $52.95 ea. (1-9) bracket (option"b") $5.00 (1+) bracket (option"br") $1.50 (1+) frequency (mhz) mainline loss (db) in-out coupling (db) in-cpl directivity (db) in return loss (db) out cpl features ? excellent directivity, 35 db typ. ? excellent mainline loss, 0.4 db typ. ? rugged shielded case applications ? vhf ? instrumentation ? amateur radio 55.00 0.46 18.61 34.58 25.04 26.15 19.84 59.00 0.47 18.63 33.86 24.76 25.84 19.26 63.00 0.47 18.63 33.36 24.50 25.57 18.71 67.00 0.48 18.65 32.92 24.23 25.28 18.17 71.00 0.48 18.65 32.39 23.98 25.01 17.67 76.00 0.48 18.67 31.99 23.67 24.68 17.08 81.00 0.48 18.67 31.23 23.37 24.39 16.56 85.50 0.49 18.69 30.52 23.10 24.10 16.12 88.00 0.48 18.70 30.40 22.96 23.96 15.88 90.00 0.49 18.70 30.28 22.85 23.82 15.70 electrical schematic + rohs compliant in accordance with eu directive (2002/95/ec) the +suffx identifes rohs compliance. see our web site for rohs compliance methodologies and qualifcations. permanent damage may occur if any of these limits are exceeded. 1. mainline loss includes theoretical power loss at coupled port. freq. range (mhz) coupling (db) mainline loss 1 (db) directivity (db) vswr (:1) power input (w) f l -f u nom. flatness typ. max. typ. min. typ. max. 55-90 18.6 0.5 0.3 0.4 0.6 35 30 1.2 4.0
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