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cha4861 - qgg ref. : dscha4861 - qgg2262 - 18 sep 12 1 / 14 specifications subject to change without notice united monolithic semiconductors s.a.s. 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 6 - 11 ghz variable gain amplifier gaas monolithic microwave ic in smd leadless package description the cha4861 - qgg is a variable gain broadband four stage monolithic amplifier. it is designed for a wide range of applications, typically commercial communication systems. the circuit is manufactured with a p ower p hemt process, 0.15m gate length, via holes through the substrate, air bridges and electron beam gate lithography. it is supplied in rohs compliant smd package. main features linear gain versus gain control main electrical characteristics tamb.= +25c , vd = +4 .5 v symbol parameter min typ max unit freq frequency range 6 11 ghz gain linear gain 23 db rd order intercept point 29 dbm - 15 - 10 - 5 0 5 10 15 20 25 30 4 5 6 7 8 9 10 11 12 13 14 gain (db) frequency (ghz) - 1.5v - 0.8v - 0.6v - 0.4v - 0.2v 0v ums a4861 yyww ?? ums a3667a yywwg ums a3667a yywwg ums a3688a yywwg ums a3667a yywwg ums a3667a yywwg ums a3688a yywwg ums a3667a yywwg ums a3667a yywwg ums a3688a yywwg ums a3667a yywwg ums a3667a yywwg ums a3688a yywwg ums a3667a yywwg ums a3667a yywwg ums a3688a yywwg ums a3667a yywwg ums a3667a yywwg ums a3688a yywwg ums a3667a yywwg ums a3667a yywwg ums a3688a yywwg ums a3667a yywwg ums a3667a yywwg ums a3688a yywwg
cha4861 - qgg 6 - 11 ghz variable gain amplifier ref. : dscha4861 - qgg2262 - 18 sep 12 2 / 14 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 8 6 34 34 electrical characteristics tamb. = + 25c , vd = + 4.5 v symbol parameter min typ max unit freq frequency range 6 11 ghz gain linear gain without control 2 3 db nf noise figure at maximum gain 9 db rlin input return loss - 10 db rlout output return loss - 1 2 db oip3 output 3 rd order intercept point @ max. gain 29 dbm oip3 output 3 rd order intercept point @ min. gain 2 6 dbm p1db power at 1db compression @ all gain 24 dbm absolute maximum ratings (1) tamb.= +25c symbol parameter values unit vd drain bias voltage 5v v id drain bias current 230 ma vg12 - vg3 gate bias voltage - 2 to +0.4 v gc1 - gc2 gain control voltage - 2.5 to +0.6 v pin maximum peak input power overdrive (2) +7 dbm tj junction temperature 175 c ta operating temperature range - 40 to +85 c tstg storage temperature range - 55 to +15 0 c (1) operation of this device above anyone of these parameters may cause permanent damage. (2) duration < 1s.
6 - 11 ghz variable gain amplifier cha4861 - qgg ref. : dscha4861 - qgg2262 - 18 sep 12 3 / 14 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 s ystem maximum temperature must be adjusted in order to guarantee that tcase remains below than the maximum value specified in the next table. so, the system pcb 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 than the maximum temperature specified (see the curve pdiss. max) in order to guarantee the nominal device life time (mttf). recommended max. junction temperature (tj max) : 128 c junction temperature absolute maximum rating : 175 c max. continuous dissipated power (pdiss. max.) : 1,6 w => pdiss. max. derating above tcase (1) = 85 c : 37 mw/c junction-case thermal resistance (rth j-c) (2) : <26 c/w minimum tcase operating temperature (3) : -40 c maximum tcase operating temperature (3) : 85 c minimum storage temperature : -55 c maximum storage temperature : 150 c (1) derating at junctio n temperature co nstant = tj max. (2) rth j-c is calculated fo r a wo rst case co nsidering the ho t t e s t junc t io n o f the m m ic and all the devices biased. (3) tcase=p ackage back side temperature measured under the die-attach-pad (see the drawing belo w). 6,4 device thermal specification : CHA4861-QGG 0 0,2 0,4 0,6 0,8 1 1,2 1,4 1,6 1,8 - 50 - 25 0 25 50 75 100 125 150 pdiss. max. @tj cha4861 - qgg 6 - 11 ghz variable gain amplifier ref. : dscha4861 - qgg2262 - 18 sep 12 4 / 14 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 8 6 34 34 typical package sij parameters tamb.= +25c, vd = + 4.5 v, id = 160 ma freq (ghz) s11 (db) phs11 () s12 (db) phs12 () s21 (db) phs21 () s22 (db) phs22 () 2.0 - 1. 2 9 2 - 79. 1 36 - 35.5 146 - 1.3 96 3.0 - 1. 4 4 5 - 81.8 1 4 - 19.1 - 177 - 1.9 43 4.0 - 1.5 - 4 - 72.3 2 2 9.9 1 - 3.6 - 27 5.0 - 2.3 - 66 - 84.7 - 10 9 21.9 128 - 12.2 - 60 6.0 - 7.3 - 14 9 - 71.7 61 2 3.9 - 17 - 20.5 - 136 7.0 - 19.6 78 - 68 - 6 24.9 - 163 - 18.4 - 99 8.0 - 1 4 - 38 - 73.6 - 90 23.2 77 - 18.9 - 133 9.0 - 11.4 - 81 - 78.6 - 2 6 23.1 30 - 15 - 157 10.0 - 10. 8 - 11 4 - 68.6 - 11 6 23.7 - 150 - 11.9 140 11.0 - 11.1 - 150 - 59.9 - 17 3 23.9 93 - 13.3 76 12.0 - 12. 2 - 96 - 61.1 12 5 22.2 - 84 - 15.5 2 13.0 - 8.3 - 15 7 - 61.3 111 9 153 - 17.2 - 36 14.0 - 9. 1 1 70 - 56.1 114 - 0.5 60 - 15.9 - 69 15.0 - 10.9 144 - 50.5 70 - 8.8 - 34 - 14.9 - 96 16.0 - 13.7 77 - 50.2 - 15 - 18.5 - 177 - 14.1 - 164 17.0 - 16.6 6 8 - 52.3 - 6 9 - 29.8 95 - 13 177 18.0 - 17.6 6 9 - 57.6 - 1 5 - 39.6 21 - 12.2 156 19.0 - 16.8 6 4 - 50.9 - 4 5 - 45.5 - 36 - 11.8 134 20.0 - 1 5 48 - 51.7 - 8 5 - 49.7 - 78 - 11.9 109 21.0 - 13.4 - 15 7 - 56.3 - 78 - 54.5 - 76 - 12.4 - 100 22.0 - 11.9 1 70 - 51.7 - 8 4 - 51.6 - 84 - 13.4 - 134 23.0 - 10.1 136 - 50.8 - 8 2 - 50.8 - 77 - 14.6 - 179 24.0 - 8.6 9 9 - 46.4 - 79 - 45.6 - 76 - 14 125 25.0 - 6. 9 61 - 43.4 - 108 - 41.5 - 118 - 11.4 75 26.0 - 5. 3 27 - 44.3 - 13 6 - 43.7 - 144 - 8.6 36 27.0 - 4. 4 - 6 - 42.1 - 13 7 - 42.8 - 130 - 6.6 2 28.0 - 2.8 - 3 7 - 38.6 - 17 2 - 39 - 170 - 5 - 27 29.0 - 2. 3 - 65 - 39.1 169 - 39.4 167 - 4 - 54 30.0 - 1. 8 - 9 0 - 36.3 143 - 37.2 144 - 3.3 - 80 31.0 - 1.6 - 115 - 35 111 - 34.7 109 - 2.9 - 105 32.0 - 1. 5 - 13 5 - 37.5 50 - 36.7 56 - 2.6 - 125 33.0 - 1. 5 - 15 4 - 39.5 33. - 39.5 38 - 2.4 - 145 34.0 - 1.1 - 171 - 42 18. - 40.5 7 - 1.9 - 162 35.0 - 1 17 4 - 52.6 34. - 51.9 - 10 - 1.8 - 180 36.0 - 1 156 - 42.5 5 6 - 44.3 38 - 1.6 165 37.0 - 0.8 14 1 - 44.1 1 9 - 45.3 12 - 1.2 152 38.0 - 0.9 13 1 - 46.4 9 - 43 - 27 - 0.3 138 39.0 - 0. 8 11 7 - 41.4 1 4 - 42.3 0 - 0.3 125 40.0 - 0. 5 9 8 - 39 - 54 - 38.9 - 59 - 0.2 106 see paragraph definition of the sij reference planes
6 - 11 ghz variable gain amplifier cha4861 - qgg ref. : dscha4861 - qgg2262 - 18 sep 12 5 / 14 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, vd = +4.5v, id = 160ma these measurements are representative of onboard measurements as defined on the drawing in paragraph "evaluation mother board". board losses are de - embedded . linear gain versus frequency & gain control voltage linear gain versus gain control voltage & frequency - 15 - 10 - 5 0 5 10 15 20 25 30 4 5 6 7 8 9 10 11 12 13 14 gain (db) frequency (ghz) - 1.5v - 0.8v - 0.6v - 0.4v - 0.2v 0v - 4 - 2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 - 1,5 - 1,3 - 1,1 - 0,9 - 0,7 - 0,5 - 0,3 - 0,1 gain (db) control voltage (v) 6 ghz 8.5 ghz 11 ghz
cha4861 - qgg 6 - 11 ghz variable gain amplifier ref. : dscha4861 - qgg2262 - 18 sep 12 6 / 14 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 8 6 34 34 typical board measurements tamb.= +25c, vd = +4.5v, id = 160ma input return loss at min. & max. gain output return loss at min & max gain - 30 - 25 - 20 - 15 - 10 - 5 0 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 input retun loss (db) frequency (ghz) s11 at minimum attenuation s11 at maximum attenuation - 30 - 25 - 20 - 15 - 10 - 5 0 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 output return loss (db) frequency (ghz) s22 at minimum attenuation s22 at maximum attenuation
6 - 11 ghz variable gain amplifier cha4861 - qgg ref. : dscha4861 - qgg2262 - 18 sep 12 7 / 14 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, vd = +4.5v, id = 160ma output ip3 versus output power & frequency at maximum gain (gc1=gc2= - 1.5v) output ip3 at 9 ghz versus output power & gain control 20 22 24 26 28 30 32 34 36 38 40 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 oip3 (dbm) output power dcl (dbm) 6 ghz 7 ghz 8 ghz 9 ghz 10 ghz 11 ghz 20 22 24 26 28 30 32 34 36 38 40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 oip3 (dbm) output power dcl (dbm) gc = - 1.5v gc = - 0.7v gc = - 0.6v gc = - 0.5v gc = 0v
cha4861 - qgg 6 - 11 ghz variable gain amplifier ref. : dscha4861 - qgg2262 - 18 sep 12 8 / 14 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 8 6 34 34 typical board measurements tamb.= +25c, vd = +4.5v, id = 160ma output power at 1db compression versus frequency & gain control output power at 1db compression versus frequency & temperature at max gain 18 19 20 21 22 23 24 25 26 27 28 5 6 7 8 9 10 11 12 p1db (dbm) freq (ghz) - 1.5v - 0.6v - 0.5v 18 19 20 21 22 23 24 25 26 27 28 5 6 7 8 9 10 11 12 p1db (dbm) freq (ghz) - 40 c +25 c +85 c
6 - 11 ghz variable gain amplifier cha4861 - qgg ref. : dscha4861 - qgg2262 - 18 sep 12 9 / 14 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, vd = +4.5v, id = 160ma output ip3 versus output power & temperature at 9 ghz and maximum gain maximum & minimum gain versus frequency & temperature 20 22 24 26 28 30 32 34 36 38 40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 oip3 (dbm) output power dcl (dbm) - 40 c +25 c +85 c - 10 - 5 0 5 10 15 20 25 30 4 5 6 7 8 9 10 11 12 13 14 gain min & max (db) frequency (ghz) - 40 c 25 c +85 c
cha4861 - qgg 6 - 11 ghz variable gain amplifier ref. : dscha4861 - qgg2262 - 18 sep 12 10 / 14 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 8 6 34 34 package outline (1) matt tin, lead free (green) 1 - gnd (2) 11 - gc2 21 - gnd (2) units : mm 2 - rf in 12 - vg3 22 - nc from the standard : jedec mo - 220 3 - gnd (2) 13 - nc 23 - nc (vggd) 4 - gnd (2) 14 - nc 24 - vd 29 - gnd 5 - nc 15 - gnd (2) 25 - nc 6 - gnd (2) 16 - gnd (2) 26 - gnd (2) 7 - gnd (2) 17 - nc 27 - nc 8 - gnd (2) 18 - gnd (2) 28 - nc 9 - gc1 19 - gnd (2) 10 - vg12 20 - rf out (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.
6 - 11 ghz variable gain amplifier cha4861 - qgg ref. : dscha4861 - qgg2262 - 18 sep 12 11 / 14 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 definition of the sij reference planes the reference planes used for sij measurements given above are symmetrical from the symmetrical axis of the package (see drawing beside). the input and output reference planes are located at 3. 66 mm offset (input wise and output wise respectively) from this axis. then, the given sij parameters incorporate the land pattern of the evaluation motherboard recommended in paragraph "evaluation mother board". notes due to esd protection circuits on rf input and output, an external capacitance might be requested to isolate the product from external voltage that could be present on the rf accesses. esd protections are also implemented on gate and control accesses. the dc connections do not include any decoupling capacitor in package, therefore it is m andatory to provide a good external dc decoupling (10nf) on the pc board, as close as possible to the package.
cha4861 - qgg 6 - 11 ghz variable gain amplifier ref. : dscha4861 - qgg2262 - 18 sep 12 12 / 14 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 8 6 34 34 evaluation mother board
6 - 11 ghz variable gain amplifier cha4861 - qgg ref. : dscha4861 - qgg2262 - 18 sep 12 13 / 14 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 dc schematic 4 .5 v, 16 0ma
cha4861 - qgg 6 - 11 ghz variable gain amplifier ref. : dscha4861 - qgg2262 - 18 sep 12 14 / 14 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 8 6 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.u ms - 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 5x5 package: cha4861 - qgg /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 paten t rights of united monolithic semiconductors s.a.s. . specifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. united monolithic semiconductors s.a.s. pr oducts 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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