page 1 of 3 the big deal ? ltcc construction ? temperature stable from -40c to +85c ? small size (0.150 x 0.150 x 0.059") product overview the BFTC-618+ ltcc bandpass flter covers the 460 to 776 mhz passband with 25 db upper/lower stopband re - jection. this model handles up to 3w rf input power and provides a wide operating temperature range from -40 to +85c. utilizing ltcc multi-layer construction, the flter achieves excellent repeatability of performance and comes in a tiny ceramic package saving space in dense pcb layouts. feature advantages ltcc construction provides a rugged package well suited for tough environments such as high humidity and temperature extremes. tiny size (0.150 x 0.150 x 059) saves space in dense circuit boards and minimizes the effects of parasitics. wide operating temperature range, -40 to +85c enables reliable performance in extreme environments key features BFTC-618+ 50 ? 460 to 776 mhz case style: fr933-1 bandpass filter ceramic 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 3 ceramic BFTC-618+ electrical specifcations 1,2 at 25c case style: fr933-1 maximum ratings operating temperature -40c to 85c storage temperature -55c to 100c rf power input* 3 w max @ +25 c rev. or m164436 BFTC-618+ edu2827 urj 180212 typical frequency response functional schematic typical performance data at 25 c 50 : 460 to 776 mhz bandpass filter applications ? test and measurement ? harmonic rejection ? transmitters / receivers features ? good vswr 1.5 typ. @ passband ? small size ? hermetically sealed ? temperature sable ? ltcc construction parameter f# frequency (mhz) min. typ. max. unit pass band center frequency 618 mhz insertion loss f1-f2 460-776 4.8 6.0 db vswr f1-f2 460-776 1.3 :1 stop band, lower insertion loss f3-f4 1-330 25 35 db vswr f3-f4 1-330 16 :1 stop band, upper insertion loss f5-f6 980-2400 25 30 db vswr f5-f6 980-2400 10 :1 0 5 10 15 20 25 30 35 40 45 50 200 300 400 500 600 700 800 900 1000 1100 insertion loss (db) frequency (mhz) BFTC-618+ insertion loss (zoomed) 0 10 20 30 40 50 60 0 300 600 900 1200 1500 1800 2100 2400 insertion loss (db) frequency (mhz) BFTC-618+ insertion loss (pass band) 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 425 475 525 575 625 675 725 775 825 875 vswr frequency (mhz) BFTC-618+ vswr 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 400 500 600 700 800 900 group delay (ns) frequency (mhz) BFTC-618+ group delay f4 f1 f2 frequency ( mhz ) insertion loss (db) f 5 f 6 f 3 1. measured on mini-circuits characterization test board tb-233 2. this flter is not intended for use as a dc blocking circuit element. in application where dc voltage is present at either input or output ports, blocking capacitors are required at the corresponding rf port. *passband rating, derate linearly to 1.5 w at 85c ambient permanent damage may occur if any of these limits are exceeded. frequency (mhz) insertion loss (db) vswr (:1) frequency (mhz) group delay (nsec) 1 80.59 8168.80 460 5.88 10 60.35 4270.56 468 5.46 100 41.68 101.99 470 5.38 290 46.00 13.65 480 4.90 330 40.52 10.57 490 4.47 340 35.92 9.90 500 4.12 350 31.96 9.26 510 3.88 380 21.77 7.32 550 3.25 450 4.36 1.81 570 3.08 460 3.52 1.43 580 3.00 618 2.03 1.21 600 2.89 776 3.33 1.12 618 2.83 800 4.16 1.34 620 2.85 875 13.10 3.87 650 2.79 910 20.31 5.33 680 2.83 950 29.80 6.86 700 2.88 980 38.66 8.06 720 3.00 1500 34.46 35.78 740 3.16 2000 51.21 47.51 760 3.40 2400 32.85 51.96 776 3.66 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
page 3 of 3 outline dimensions ( ) BFTC-618+ index b c 4 56 1 2 3 1 a p typ n m l k typ j typ g f outline drawing rf in 2 rf out 5 ground 1,3,4,6 pad connections demo board mcl p/n: tb-233 suggested pcb layout (pl-112) inch mm a . 3.2 b . 2.5 c . 1.5 d . .3 e . .6 f . .4 g . 5.3 h . 2.3 j . 3.25 k . 4.45 l . 1.45 m . 1.5 n . 1.5 p . .7 q . .5 wt. grams .03 bandpass filter 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
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