page 1 of 4 product features ? wideband, dc to 1 ghz ? cascadable ceramic package ? internally matched to 50 ohms ? low noise fgure, 6.5 db typ. ? excellent repeatability ? aqueous washable ? protected under us patent 6,943,629 typical applications ? cellular ? uhf/vhf ? communication system ? transmition receivers simplifed schematic and pin description function pin number description rf in 1 rf input pin. this pin requires the use of an external dc blocking capacitor chosen for the frequency of operation. rf-out and dc-in 3 rf output and bias pin. dc voltage is present on this pin; therefore a dc blocking capacitor is necessary for proper operation. an rf choke is needed to feed dc bias without loss of rf signal due to the bias connection, as shown in recommended application circuit. gnd 2,4 connections to ground. use via holes as shown in suggested layout for pcb design to reduce ground path inductance for best performance. general description RAM-4+ (rohs compliant) is a wideband amplifer offering high dynamic range. it has repeatable per - formance from lot to lot. it is enclosed in a ceramic surface-mount package. RAM-4+ uses darlington confguration and is fabricated using ingap hbt technology. expected mtbf is 300 years at 100c case temperature. RAM-4+ gr ound rf in rf-out and dc-in rev. b m120653 RAM-4+ 150320 dc-1 ghz case style: af190 price: $4.60 ea. qty. (20) gnd gnd rf-out and dc-in rf in 1 2 4 3 surface mount monolithic amplifer 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
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 4 electrical specifcations at 25c and 50ma, unless noted RAM-4+ absolute maximum ratings parameter ratings operating temperature -4c to 1c storage temperature -c to 1c operating current 1ma poer dissipation 4m input poer 1dbm note: permanent damage may occur if any of these limits are exceeded. these ratings are not intended for continuous normal operation. 1 case is dened as ground leads. full temperature range. parameter min. typ. max. units freuency range dc 1 ghz gain f.1 ghz . db f1 ghz . . input return oss fdc to 1 ghz 1. db output return oss fdc to 1 ghz 1 db output poer 1 db compression f1 ghz +1. dbm output ip f1 ghz +. dbm noise figure f1 ghz . db recommended device operating current ma device operating voltage . v device voltage variation vs. temperature at ma -. mvc device voltage variation vs. current at c . mvma thermal resistance unction-to-case 1 14 c guaranteed specication dc-1 ghz. o freuency cut off determined by external coupling capacitors. monolithic amplifer
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 3 of 4 product marking RAM-4+ case style: af190 suggested layout for pcb design: pl-254 evaluation board: tb-414-4+ tape & reel: f14 7 inch reels with 20, 50, 100, 200, 500, 1000 devices. additional detailed technical information additional information is available on our eb site. to access this information enter the model number on our eb site home page. environmental ratings: env08t6 performance data, graphs, s-parameter data set (.zip fle) r bias vcc 1% res. values (ohms) for optimum biasing 4. 4. 1 . 11 11 1 1 1 14 14 14 1 1 recommended application circuit test board includes case connectors and components in bold soldered to pcb 4 2 3 1 c b l o c k i n c b l o c k i b i a s o u t v d r f c ( o p t i o n a l ) c b y p a s s v c c r b i a s ( r e q u i r e d ) 1 2 4 3 monolithic amplifer
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 4 of 4 RAM-4+ human body model hbm: class 1b v to 1 v in accordance ith ansiesd stm .1 - 1 machine model mm: class m1 1 v in accordance ith ansiesd stm . - 1 esd rating monolithic amplifer
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