1 of 8 functional block diagram rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity?, powerstar?, polaris? total radio? and ultimateblue? are trademarks of rfmd, llc. bluetooth is a trade- mark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks and registered tradem arks are the property of their respective owners. ?2012, rf micro devices, inc. product description 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . ordering information RFCA8818 dual catv 40mhz to 1008mhz high linearity, low noise gaas amplifier rfmd's RFCA8818 is a low-noise, linear high performance gaas mesfet mmic amplifier. the RFCA8818 contains two amplifiers for use in wideband push-pull catv amplifiers requiring excellent seco nd order performance. the second and third order non-linearities are greatly im proved in the push-pull configuration. features ? 75 ? push-pull amplifier ? 40mhz to 1008mhz operation ? internally matched input and output ? 17db small signal gain ? 2.0db noise figure ? single 7v positive power supply applications ? linear lna/driver ? catv line driver amplifier ? broadband gain blocks ? fttx / xpon / onu driver amplifier ds121115 package: thermally enhanced soic-8 RFCA8818 dual catv 40mhz to 1008mhz high linearity, low noise gaas amplifier RFCA8818sq sample bag with 25 pieces RFCA8818sr 7" reel with 100 pieces RFCA8818tr13 13" reel with 2500 pieces RFCA8818pck-410 40mhz to 1008mhz pcba with 5-piece sample bag
2 of 8 RFCA8818 ds121115 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . nominal operating parameters absolute maximum ratings parameter rating unit device voltage 9 v rf input power 13 dbm operating temperature range -40 to +85 c storage temperature range -40 to +150 c parameter specification unit condition min. typ. max. overall 75 ? temp = -40c to +85c, v cc = 7v, standard application circuit frequency range 40 1008 mhz gain 16 17 18 db gain flatness ? 1.0 db 40mhz to 1008mhz noise figure 2.0 2.5 db 40mhz to 1008mhz input return loss 8 10 db 40mhz to 1008mhz output return loss 13 15 db 40mhz to 1008mhz output ip2 53 61 70 dbm 40mhz to 1008mhz, 30mhz tone spacing output ip3 35 37 dbm 40mhz to 1008mhz output p1db 24 26 40mhz to 1008mhz distortion cso -72 -62 dbc 77 channels to 550mhz, 34dbmv p out ctb -70 -64 dbc 77 channels to 550mhz, 34dbmv p out xmod -62 -58 dbc 77 channels to 550mhz, 34dbmv p out thermal ? jc 30 c/w junction to backside pcb under ic maximum junction temperature 150 c power supply supply voltage (v dd )7v operating current range 220 ma caution! esd sensitive device. exceeding any one or a combination of the absolute maximum rating conditions may cause permanent damage to the device. ex tended application of absolute maximum rating conditions to the device may reduce device reliability. specified typical perfor- mance or functional operation of the devi ce under absolute maximum rating condi- tions is not implied. the information in this publication is believed to be accurate and reliable. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended appli- cation circuitry and specifications at any time without prior notice. rfmd green: rohs compliant per eu directive 2002/95/ec, halogen free per iec 61249-2-21, < 1000ppm each of antimony trioxide in polymeric materials and red phosphorus as a fl ame retardant, and <2% antimony in solder.
3 of 8 RFCA8818 ds121115 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . typical performance
4 of 8 RFCA8818 ds121115 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . typical performance (continued) 40 45 50 55 60 65 70 75 0 200 400 600 800 1000 1200 dbm frequency(mhz) secondorderintercept,ip 2
5 of 8 RFCA8818 ds121115 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . pcb pad layout pin names and descriptions pin name description 1rfin device 1, rf input pin. this pin is internally dc blocked. an external dc blocking capacitor is not required. 2, 3, 6, 7 gnd connection to ground. use via holes for best performance to reduce lead inductance as close to ground leads as possible. 4rfin device 1, rf input pin. this pin is internally dc blocked. an external dc blocking capacitor is not required. 5rfout / vcc device 2, rf output and bias pin. because dc is present on this pin, a dc blocking capacitor suitable for the frequency of operation should be used in most applications. for biasing, only an rf choke is needed. 8rfout / vcc device 1, rf output and bias pin. because dc is present on this pin, a dc blocking capacitor suitable for the frequency of operation should be used in most applications. for biasing, only an rf choke is needed. epad gnd exposed area on the bottom side of the package must be soldered to the ground plane of the board for optimum thermal and rf performance. several vias sh ould be located under the epad as shown in the recommended land pattern.
6 of 8 RFCA8818 ds121115 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . package drawing package type: thermally enhanced soic-8 dimensions in inches
7 of 8 RFCA8818 ds121115 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . evaluation board schematic evaluation board bill of materials (bom) description reference designator manufacturer manufacturer?s p/n evaluation board RFCA8818410(c) dual catv 50mhz to 1000mhz hi lin gaas mesfet u1 rfmd RFCA8818 res, 0 ? , 0603 r1, c9-c10 panasonic industrial co erj-3gey0r00v res, 1.2k, 5%, 1/10w, 0603 r2-r3 panasonic industrial co erj-3geyj122v cap, 1 ? f, 10%, 10v, x5r, 0603 c3, c6 murata electronics grm188r61a105ka61d cap, 10000pf, 10%, 50v, x7r, 0603 c1-c2, c4-c5, c7-c8 murata electronics grm188r71h103ka01d ind, 1 ? h, 5%, w/w, 0805 l1-l2 coilcraft, inc. 0805ls-102xjlc balun, 1:1, 4.5mhz to 3000mhz, 75 ? , smd t1-t2 m/a-com technology solutions, inc. mabact0059 conn, hdr, st, plrzd, 4-pin, 0.100" p1 amp 640454-4 conn, f, edge mount, 62 mil j1-j2 trompeter cbje130-1 conn, f fem edge mount, 75 ? , 0.068" j1-j2 millimeter wave technologies, llc mw-846-c-dd-75
8 of 8 RFCA8818 ds121115 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . branding diagram
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