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 page 1 of 2 NCS2-771+ the big deal ? tiny size, 0805 ? low insertion loss, 0.2 db ? very good amplitude unbalance, 0.5 db ? low cost product overview mini-circuits NCS2-771+ is a miniature ceramic rf balun transformer with an impedance ratio of 2:1, covering a variety of 50 ? applications from 240 to 770 mhz. this model provides low insertion loss, low amplitude unbalance, and rf input power handling up to 2w. fabricated using ltcc technology, it comes housed in a tiny package (0.08 x 0.05 x 0.04) and is suitable for high-volume production. key features feature advantages low insertion loss, 0.8 db enables excellent signal power transmission from input to output. low amplitude unbalance, 0.8 db low unbalance can improve a systems electromagnetic compatibility by rejecting un - wanted common-mode noise. 2w power handling supports a wide range of power requirements dc isolation provides dc isolation between circuits and effcient ac transmission, eliminating the need for external dc biasing components. tiny size, 0805 accommodates tight space requirements for dense pcb layouts. case style: ge0805c-9 50 ? 240 to 770 mhz 1:2 ratio rf transformer ceramic balun
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 page 2 of 2 50 ? 240 to 770 mhz 1:2 ratio rf transformer NCS2-771+ maximum ratings operating temperature -40c to 85c storage temperature -40c to 85c input rf power * 2w electrical specifcations at 25c rev. or m160266 NCS2-771+ ed-17012304 avb/cp/am 180124 typical performance data at 25c* features ? miniature size, 0.079x0.049x0.037 ? ltcc construction ? low cost ? aqueous washable applications ? satellite ? vhf/uhf ? instrumentation ceramic balun frequency (mhz) insertion loss (db) input r. loss (db) amplitude unbalance (db) phase unbalance (deg.) 1. insertion loss is referenced to mid-band loss, 0.7 db. reference demo board tb-626+ 2. relative to 180 0.6 0.8 1.0 1.2 1.4 1.6 240 346 452 558 664 770 insertion loss (db) frequency (mhz) ncs2 - 771+ insertion loss 0.0 0.2 0.4 0.6 0.8 1.0 240 346 452 558 664 770 amplitude unbalance (db) frequency (mhz) ncs2 - 771+ amplitude unbalance 0 2 4 6 8 10 240 346 452 558 664 770 phase unbalance (deg.) frequency (mhz) ncs2 - 771+ 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 parameter frequency (mhz) min. typ. max. unit impedance ratio (secondary/primary) 2 :1 frequency range 240 770 mhz insertion loss 1 240 - 770 0.2 0.8 db amplitude unbalance 240 - 770 0.5 1.0 db phase unbalance 2 240 - 770 5 11 degree no connection* pri sec *internal open circuit outline drawing 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 outline dimensions ( ) inch mm index area* *shape of index marking may vary pcb land pattern suggested layout tolerance to be within .002 case style: ge0805c-9 a vailable tape and reel at no extra cost reel size devices/reel 7? 20, 50, 100, 200, 500,1000, 2000 permanent damage may occur if any of these limits are exceeded. * passband rating. derate linearly to 1w at 100c. 240 0.93 13.53 0.61 5.64 300 0.72 20.55 0.64 6.42 360 0.70 19.91 0.62 6.55 420 0.73 17.10 0.58 6.08 480 0.78 15.26 0.50 5.05 540 0.84 14.00 0.37 3.59 600 0.90 12.94 0.21 1.78 660 0.97 12.01 0.03 0.55 720 1.05 11.16 0.16 3.25 770 1.13 10.50 0.32 5.77 +rohs compliant the +suffix identifies rohs compliance. see our web site for rohs compliance methodologies and qualifications
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