75 ? 240 to 770 mhz 1:2 ratio rf transformer NCS2-771-75+ maximum ratings operating temperature -55c to 100c storage temperature -55c to 100c input rf power* 2w at 25c electrical specifcations at 25c rev. a m146515 NCS2-771-75+ my/cp/am 180124 typical performance data at 25c** features ? wideband, 240 to 770 mhz ? low phase unbalance, 7 deg. and amplitude unbalance, 0.3 db typ. ? miniature size 0805 (2.0x1.25mm) ? ltcc construction ? low cost ? aqueous washable applications ? vhf/uhf ? signal process ? instrumentation ceramic balun outline drawing frequency (mhz) insertion loss (db) input r. loss (db) amplitude unbalance (db) phase unbalance (deg.) * reference demo board tb-626+ ? relative to 180 0.5 0.6 0.7 0.8 0.9 1.0 240 346 452 558 664 770 insertion loss (db) frequency (mhz) ncs2 - 771 - 75+ insertion loss 0.0 0.1 0.2 0.3 0.4 240 346 452 558 664 770 amplitude unbalance (db) frequency (mhz) ncs2 - 771 - 75+ amplitude unbalance 0 3 5 8 10 240 346 452 558 664 770 phase unbalance (deg.) frequency (mhz) ncs2 - 771 - 75+ phase unbalance confguration j ** measured with agilent e5071b network analyzer using impedance conversion and port extension. demo board mcl p/n: tb-626+ suggested pcb layout (pl-348) pad connections primary dot (unbalanced port) 2 primary (gnd) 1, 3 secondary dot (balanced) 4 secondary (balanced) 6 no connection 5 outline dimensions ( ) inch mm 240 0.66 18.76 0.21 4.45 300 0.58 20.33 0.17 5.57 370 0.63 16.43 0.14 6.29 420 0.67 15.22 0.12 6.26 500 0.72 14.73 0.10 5.34 570 0.74 15.18 0.10 3.40 620 0.75 16.01 0.08 1.41 670 0.76 17.24 0.06 1.10 710 0.77 18.58 0.04 3.65 770 0.79 21.67 0.04 7.99 parameter frequency (mhz) min. typ. max. unit impedance ratio (secondary/primary) 2 frequency range 240 770 mhz insertion loss* 240 - 770 0.8 1.2 db amplitude unbalance 240 - 770 0.3 1.0 db phase unbalance ? 240 - 770 7 10 degree case style: ge0805c-9 a vailable tape and reel at no extra cost reel size devices/reel 7? 20, 50, 100, 200, 500,1000, 4000 sugges t ed l a y o ut, t o l e r a nce t o b e w i t hi n . 002 pcb l an d p atte r n index area* *shape of index marking may vary abcde f .079 .049 .037 .014 .012 .012 2.0 1.24 0.94 0.36 0.30 0.30 gh j k wt .026 .014 .039 .110 grams 0.66 0.36 1.00 2.80 .008 *passband rating , derate linearly to 1w at 100c ambient. permanent damage may occur if any of these limits are exceeded. no connection* pri sec *internal open circuit 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 mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com +rohs compliant the +suffix identifies rohs compliance. see our web site for rohs compliance methodologies and qualifications
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