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 50 ? 0.005 to 70 mhz rf transformer surface mount ADT2-71T+ the big deal ? low insertion loss, 0.9 db ? low unbalance, 0.5 db, 3? ? small size, 0.27 x 0.31 x 0.22 product overview mini-circuits ADT2-71T+ is a 50 ? dc isolated surface-mount transformer with a secondary/primary im - pedance ratio of 2:1 and a center tap on the secondary winding. this model covers the 0.005 to 70 mhz band with low insertion loss (0.9 db) as well as low phase unbalance (3?) and amplitude unbalance (0.5 db). the unit comes enclosed in a miniature, 6-lead plastic package measuring just 0.27 x 0.31 x 0.22, ideal for dense circuit board layouts. key features feature advantages dc isolation provides dc isolation between circuits and effcient ac transmission, eliminating the need for external dc biasing components. secondary center tap allows dc feed up to 30 ma and dc bias without adding bias tees into the signal chain. low insertion loss, 0.9 db excellent transmission of signal power from input to output. low phase and amplitude unbalance, 3?, 0.5 db low phase and amplitude unbalance can improve a systems electromagnetic compat - ibility by rejecting unwanted common-mode noise. small footprint, 0.27 x 0.31 x 0.22 accommodates tight space requirements for dense pcb layouts. case style: cd637
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 rf transformer surface mount ADT2-71T+ case style: cd637 outline dimensions ( ) inch mm maximum ratings pin connections features applications operating temperature -20c to 85c storage temperature -55c to 100c rf power 0.25w dc current 30ma outline drawing electrical specifcations @25c rev. or m156261 ADT2-71T+ ed-12619/4 ig/cp/am 160503 typical performance data confg. a pcb la n d pa t t e r n sugges t ed l a y o ut, t ol e r a nce t o b e wi t hi n ? . 002 a b c d e f g .272 .310 .220 .100 .206 .055 .100 6.91 7.87 5.59 2.54 5.23 1.40 2.54 h j k l wt .030 .026 .065 .300 grams 0.76 0.66 1.65 7.62 0.40 ? wideband, 0.005 to 70 mhz ? excellent amplitude unbalance, 0.2 db typ. and phase unbalance, 2 deg. typ. in 1 db bandwidth ? aqueous washable ? plastic base with leads frequency (mhz) insertion loss (db) input r. loss (db) amplitude unbalance (db) phase unbalance (deg.) primary dot 3 primary 1 secondary dot 4 secondary 6 seconary ct 5 not used 2 50 ? 0.005 to 70 mhz demo board mcl p/n: tb-430 0.005 1.00 9.12 0.00 0.03 0.010 0.39 13.90 0.00 0.02 0.050 0.07 26.83 0.00 0.02 0.100 0.05 32.43 0.00 0.03 0.500 0.04 39.29 0.00 0.03 2.000 0.05 33.89 0.00 0.06 10.000 0.18 24.23 0.02 0.24 30.000 0.33 17.30 0.09 0.73 50.000 0.46 12.93 0.25 1.55 70.000 0.96 10.08 0.54 2.82 0.0 0.2 0.4 0.6 0.8 1.0 0 14 28 42 56 70 insertion loss (db) frequency (mhz) adt2 - 71t+ insertion loss 0 10 20 30 40 50 0 14 28 42 56 70 return loss (db) frequency (mhz) adt2 - 71t+ input return loss permanent damage may occur if any of these limits are exceeded. ? impedance matching ? balanced to unbalanced transformation ? push-pull amplifers parameter frequency (mhz) min. typ. max. unit impedance ratio (secondary/primary) 2 frequency range 0.005 70 mhz insertion loss 0.01 - 50 0.4 1.3 db 0.005 - 70 0.9 1.8 amplitude unbalance 0.01 - 50 0.2 0.5 db 0.005 - 70 0.5 1.0 phase unbalance 0.01 - 50 1.0 5.0 degree 0.005 - 70 3.0 8.0 +rohs compliant the +suffix identifies rohs compliance. see our web site for rohs compliance methodologies and qualifications
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