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chs5104 - qag ref. : dschs5104 - qag2335 - 30 nov 12 1 / 12 specifications subject to change without notice united monolithic semiconductors s.a.s. bat. charmille - parc silic - 10, avenue du qubec - 9 1140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 dc - 4ghz reflective spdt gaas monolithic microwave ic in smd leadless package description the chs5104 - qag is a monolithic fet based reflective switch . it is designed for a wide range of applications, from military to commercial systems. the circuit is manufactured with a phemt process, 0.25m gate length, via holes through the substrate, air bridges and electron beam gate lithography. it is supplied in rohs compliant smd package. main features main electrical characteristics tamb. = + 25c symbol parameter min typ max unit freq frequency range dc 4 ghz il on state insertion loss 0. 7 db isol off state isolation 40 db rl on state return loss 1 6 db i p 1db in put power @1db gain comp ression 30 dbm
chs5104 - qag dc - 4ghz reflective spdt ref. : dschs5104 - qag2335 - 30 nov 12 2 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 electrical characteristics (1) tamb.= +25c , specifications are given for 50 ? symbol parameter condition min typ max unit freq frequency range dc 4 ghz il on state insertion loss (2 ) dc - 2ghz dc - 4ghz 0. 3 0.7 db isol off state isolation dc - 2ghz dc - 4ghz 4 5 3 5 db rl on state input and output return losses dc - 2ghz dc - 4ghz 1 6 12 db vh control voltage high level 0 0.5 vl control voltage low level - 8 - 5 v ip1db in put power @1db gain comp ression. dc - 1ghz vl= - 5v/vh=0v vl= - 8v/vh=0v 1 ghz - 4ghz vl= - 5v/vh=0v vl= - 8v/vh=0v 2 7 30 30 33 dbm ton / toff switching time 50% control to 90% rf, and 50% control to 10% rf 10 ns ic current consumption on the control supply voltage freq. (1) these values are representative of on - board measurements with correction of the board losses . ( 2 ) v ariation rate of insertion loss with temperature in the range - 40c to +85c: 0.002db/c
dc - 4ghz reflective spdt chs5104 - qag ref. : dschs5104 - qag2 335 - 30 nov 12 3 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 absolute maximum ratings (1) tamb.= + 25c symbol parameter values unit vh high level control voltage 0.8 v vl low level control voltage - 10 v pin maximum peak input power overdrive (2 ) 37 dbm tj junction temperature (3 ) 175 c ta operating temperature range - 40 to + 85 c tstg storage temperature range - 55 to +150 c (1) operation of this device above anyone of these parameters may cause permanent damage. ( 2 ) duration < 1s , frequency >1ghz (3 ) thermal resistance channel to ground paddle < 33 c/w for tamb. = +85 c. s pdt truth table pad a pad b electrical path rfc to rf1 electrical path rfc to rf2 v h v l on off v l v h off on
chs5104 - qag dc - 4ghz reflective spdt ref. : dschs5104 - qag2335 - 30 nov 12 4 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 device thermal performances all the figures given in this section are obtained assuming that the qfn device is cooled down only by conduction through the package thermal pad (no convection mode considered). the temperature is monitored at the package back - side interface (tcase) as shown below. the system maximum temperature must be adjusted in order to guarantee that tcase remains bel ow the maximum value specified in the next table. so, the pcb system must be designed to comply with this requirement. a derating must be applied on the dissipated power if the tcase temperature can not be maintained below the maximum temperature specified (see the curve pdiss. max) in order to guarantee the nominal device life time (mttf).
dc - 4ghz reflective spdt chs5104 - qag ref. : dschs5104 - qag2 335 - 30 nov 12 5 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 typical board measurements tamb.= +25c, v h = 0v / vl= - 5v note: board losses are corrected on state : s21 versus frequency on state: s11 versus frequency
chs5104 - qag dc - 4ghz reflective spdt ref. : dschs5104 - qag2335 - 30 nov 12 6 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 typical board measurements tamb.= +25c, vh=0v / vl= - 5v note: board losses are corrected on state: s22 versus frequency off state: s21 versus frequency
dc - 4ghz reflective spdt chs5104 - qag ref. : dschs5104 - qag2 335 - 30 nov 12 7 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 typical board measurements tamb.= +25c, vh=0v / vl= - 5v note: board losses are corrected insertion loss variation versus input power input power at 1db gain compression versus frequency
chs5104 - qag dc - 4ghz reflective spdt ref. : dschs5104 - qag2335 - 30 nov 12 8 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 typical board measurements tamb.= +25c , vh=0v / vl= - 8 v note: board losses are corrected insertion loss variation versus input power
dc - 4ghz reflective spdt chs5104 - qag ref. : dschs5104 - qag2 335 - 30 nov 12 9 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 package outline (1) matt tin, lead free (green) 1 - nc 9 - nc units : mm 2 - gnd (2) 10 - a from the standard : jedec mo - 220 3 - rfc 11 - b (vggd) 4 - gnd (2) 12 - nc 17 - gnd 5 - nc 13 - nc 6 - gnd (2) 14 - rf2 7 - rf1 15 - gnd (2) 8 - nc 16 - nc (1) the package outline drawing included to this data - sheet is given for indication. refer to the application note an0017 ( http://www.ums - gaas.com ) for exact package dimensions. (2) it is strongly recommended to ground all pins marked gnd through the pcb board.
chs5104 - qag dc - 4ghz reflective spdt ref. : dschs5104 - qag2335 - 30 nov 12 10 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 evaluation mother board recommend ation on decoupling label type decoupling comment a, b control voltage not required spdt switch pad control rfc, rf1, rf2 rf access external dc block must be used to ensure dc decoupling the mmic is dc coupled
dc - 4ghz reflective spdt chs5104 - qag ref. : dschs5104 - qag2 335 - 30 nov 12 11 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 notes the dc connections do not include any decoupling capacitor in package; therefore it might be necessary to provide a good external dc decoupling on the pc board, as close as possible to the package. dc schematic
chs5104 - qag dc - 4ghz reflective spdt ref. : dschs5104 - qag2335 - 30 nov 12 12 / 12 specifications subject to change without notice bat. charmille - parc silic - 10, avenue du qubec - 91140 villebon - sur - yvette - france tel.: +33 (0) 1 69 86 32 00 - fax: +33 (0) 1 69 86 34 34 recommended package footprint refer to the application note an0017 available at http://www.ums - gaas.com for package foot print recommendations. smd mounting procedure for the mounting process standard techniques involving solder paste and a suitable reflow process can be used. for further details, see application note an0017. recommended environmental management ums products are compliant with the regulation in particular with the directives rohs n2011/65 and reach n1907/2006. more environmental data are available in the application note an0019 also available at http://www.ums - gaas.com . recommended esd management refer to the application note an0020 available at http://www.ums - gaas.com for esd sensitivity and handling recommendations for the ums package products. ordering information qfn 3 x 3 package: chs5104 - qag /xy stick: xy = 20 tape & reel: xy = 21 information furnished is believed to be accurate and reliable. however united monolithic semiconductors s.a.s. assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of united monolithic semiconductors s.a.s. . specifications mentioned in thi s publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. united monolithic semiconductors s.a.s. products are not authorised for use as critical components in life support devices or systems without express written approval from united monolithic semiconductors s.a.s.

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