CHA2194 rohs compliant ref. : dsCHA21942035 -04-feb.-02 1/10 specifications subject to change without notice united monolithic semiconductors s.a.s. route dpartementale 128 - b.p.46 - 91401 orsay cede x france tel. : +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 33 03 09 36-44ghz low noise amplifier self biased gaas monolithic microwave ic description the circuit is a three-stage self biased wide band monolithic low noise amplifier, designed for 36ghz to 44ghz point to point and point to multipoint communication . the circuit is manufactured with a standard phemt process: 0.25m gate length, via holes through the substrate, air bridges and electron beam gate lithography. it is supplied in chip form. main features broad band performance 36-44ghz 3db noise figure 19db gain, 0.5db gain flatness low dc power consumption, 45ma 20dbm 3rd order intercept point chip size : 1.670 x 0.970x 0.1mm main characteristics on wafer typical measurement tamb = +25c symbol parameter min typ max unit nf noise figure at freq : 40ghz 3 4 db g gain 17 19 db d g gain flatness 0.5 1 db esd protections : electrostatic discharge sensitive device observe handling precautions ! -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 frequency ( ghz ) gain & nf ( db ) -25,00 -15,00 -5,00 5,00 15,00 25,00 rlosses(db) dbs21 nf dbs11 dbs22
CHA2194 36-44ghz low noise amplifier ref : dsCHA21942035 -04-feb.-02 2/10 specifications subject to change without notice route dpartementale 128 , b.p.46 - 91401 orsay ce dex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 3 3 03 09 electrical characteristics tamb = +25c, vd = +3,5v (on wafer) symbol parameter min typ max unit fop operating frequency range 36 44 ghz g gain (1) 17 19 db d g gain flatness (1) 0.5 1 db nf noise figure (1) (freq: 36-40 ghz) 3 4 db vswrin input vswr (1) 2.5:1 3.0:1 vswrout ouput vswr (1) 2:5:1 3.0:1 ip3 3rd order intercept point 20 dbm p1db output power at 1db gain compression 8 10 dbm id drain bias current (2) 45 75 ma (1)these values are representative of wafer measure ments without bonding wire at the rf ports. (2) this current is the typical value for low noise and low current consumption biasing: vd=3.5v, vg12 and vg3 not connected. absolute maximum ratings (3) tamb = +25c symbol parameter values unit vd vg id drain bias voltage (5) vg12 and vg3 max drain current 4 +1 75 v v ma pin maximum peak input power overdrive (4) 15 dbm top operating temperature range -40 to +85 c tstg storage temperature range -55 to +125 c (3) operation of this device above anyone of these paramaters may cause permanent damage. (4) duration < 1s. (5) see chip biasing options page 9
36-44ghz low noise amplifier CHA2194 ref : dsCHA21942035 -04-feb.-02 3/10 specifications subject to change without notice route dpartementale 128 , b.p.46 - 91401 orsay ce dex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 3 3 03 09 typical result chip typical response ( on wafer scattering paramet ers ) : tamb = +25c vd=3.5v id=+42ma f(ghz) s11 s12 s21 s22 mod pha mod pha mod pha mod pha db deg db deg db deg db deg 2,00 -4,39 -56,73 -75,42 44,36 -37,71 179,84 -0,11 -26,01 4,00 -3,92 -86,19 -68,73 -0,07 -38,99 144,86 -0,41 -51,53 6,00 -3,01 -111,00 -68,42 -40,89 -38,00 82,75 -0,87 -75,92 8,00 -2,33 -132,18 -62,78 -61,43 -31,40 -24,55 -1,53 -98,47 10,00 -1,87 -149,64 -58,07 -92,78 -22,10 -68,40 -2,33 -120,41 12,00 -1,57 -164,59 -54,16 -118,46 -15,19 -121,90 -3,50 -140,34 14,00 -1,35 -177,94 -51,89 -167,25 -11,48 -177,68 -4,77 -158,48 16,00 -1,25 169,65 -52,93 158,44 -10,44 129,48 -6,2 7 -176,02 18,00 -1,16 157,50 -51,04 165,85 -11,48 84,35 -8,13 163,01 20,00 -1,09 144,51 -49,77 164,40 -15,47 49,64 -12,6 6 138,91 22,00 -1,01 130,06 -48,14 114,15 -22,72 64,72 -16,8 7 134,36 24,00 -0,99 113,68 -47,48 73,88 -18,51 144,50 -25,9 3 129,23 25,00 -1,00 104,41 -48,97 61,97 -10,74 152,58 -35,0 8 177,75 26,00 -1,05 93,20 -48,69 52,80 -4,00 142,49 -27,71 -121,39 27,00 -1,15 80,32 -48,51 18,34 1,96 125,50 -25,75 - 116,09 28,00 -1,42 63,49 -49,95 6,77 7,45 100,83 -22,24 -1 15,84 29,00 -2,17 40,77 -47,16 -37,23 12,59 70,07 -25,05 -110,45 30,00 -4,74 10,16 -44,24 -94,27 16,78 28,35 -21,79 -68,00 31,00 -11,78 -12,14 -41,60 -147,89 18,62 -19,04 -15,03 -77,79 32,00 -17,20 17,23 -41,18 175,51 18,62 -57,49 -13,0 3 -96,11 33,00 -16,20 20,67 -41,81 148,47 18,49 -87,41 -12,3 6 -107,46 34,00 -17,00 -2,28 -39,78 125,02 18,57 -113,67 -11,84 -116,00 35,00 -19,78 -48,40 -39,87 112,63 18,87 -138,52 -11,68 -122,31 3 3 6 6 , , 0 0 0 0 - - 2 2 0 0 , , 4 4 9 9 - - 1 1 1 1 9 9 , , 6 6 4 4 - - 3 3 9 9 , , 2 2 5 5 9 9 8 8 , , 4 4 5 5 1 1 9 9 , , 3 3 0 0 - - 1 1 6 6 4 4 , , 0 0 1 1 - - 1 1 1 1 , , 1 1 7 7 - - 1 1 2 2 7 7 , , 6 6 4 4 3 3 7 7 , , 0 0 0 0 - - 1 1 7 7 , , 3 3 7 7 - - 1 1 7 7 5 5 , , 0 0 0 0 - - 3 3 7 7 , , 9 9 6 6 8 8 6 6 , , 4 4 5 5 1 1 9 9 , , 6 6 0 0 1 1 7 7 0 0 , , 4 4 4 4 - - 1 1 0 0 , , 9 9 4 4 - - 1 1 3 3 3 3 , , 3 3 8 8 3 3 8 8 , , 0 0 0 0 - - 1 1 4 4 , , 9 9 0 0 1 1 4 4 8 8 , , 1 1 9 9 - - 3 3 6 6 , , 5 5 3 3 7 7 6 6 , , 6 6 1 1 1 1 9 9 , , 7 7 0 0 1 1 4 4 3 3 , , 8 8 2 2 - - 1 1 0 0 , , 6 6 8 8 - - 1 1 4 4 0 0 , , 1 1 2 2 3 3 9 9 , , 0 0 0 0 - - 1 1 4 4 , , 3 3 8 8 1 1 1 1 9 9 , , 4 4 0 0 - - 3 3 5 5 , , 3 3 0 0 5 5 7 7 , , 4 4 6 6 1 1 9 9 , , 6 6 0 0 1 1 1 1 8 8 , , 7 7 1 1 - - 1 1 0 0 , , 9 9 7 7 - - 1 1 4 4 5 5 , , 8 8 7 7 4 4 0 0 , , 0 0 0 0 - - 1 1 4 4 , , 1 1 7 7 9 9 9 9 , , 7 7 8 8 - - 3 3 3 3 , , 6 6 3 3 3 3 8 8 , , 2 2 6 6 1 1 9 9 , , 5 5 1 1 9 9 4 4 , , 3 3 1 1 - - 1 1 0 0 , , 8 8 4 4 - - 1 1 4 4 8 8 , , 1 1 2 2 4 4 1 1 , , 0 0 0 0 - - 1 1 4 4 , , 2 2 3 3 8 8 1 1 , , 4 4 1 1 - - 3 3 3 3 , , 7 7 0 0 2 2 0 0 , , 3 3 7 7 1 1 9 9 , , 1 1 2 2 7 7 0 0 , , 5 5 6 6 - - 1 1 0 0 , , 3 3 9 9 - - 1 1 5 5 4 4 , , 4 4 3 3 4 4 2 2 , , 0 0 0 0 - - 1 1 4 4 , , 4 4 5 5 6 6 8 8 , , 0 0 4 4 - - 3 3 2 2 , , 6 6 2 2 5 5 , , 4 4 9 9 1 1 9 9 , , 0 0 6 6 4 4 6 6 , , 8 8 4 4 - - 1 1 0 0 , , 3 3 6 6 - - 1 1 5 5 9 9 , , 3 3 0 0 4 4 3 3 , , 0 0 0 0 - - 1 1 3 3 , , 4 4 4 4 5 5 4 4 , , 3 3 1 1 - - 3 3 2 2 , , 0 0 1 1 - - 1 1 5 5 , , 0 0 3 3 1 1 9 9 , , 1 1 0 0 2 2 2 2 , , 8 8 0 0 - - 9 9 , , 7 7 6 6 - - 1 1 6 6 6 6 , , 7 7 4 4 4 4 4 4 , , 0 0 0 0 - - 1 1 1 1 , , 6 6 5 5 3 3 7 7 , , 4 4 4 4 - - 3 3 1 1 , , 0 0 8 8 - - 3 3 5 5 , , 8 8 5 5 1 1 9 9 , , 0 0 6 6 - - 3 3 , , 1 1 2 2 - - 9 9 , , 1 1 3 3 1 1 7 7 8 8 , , 4 4 1 1 45,00 -9,14 15,96 -30,72 -59,51 18,88 -30,61 -9,22 158,00 46,00 -6,61 -8,98 -31,56 -86,95 18,39 -60,43 -9,63 130,78 47,00 -4,21 -34,87 -33,12 -117,26 17,52 -91,46 -10,19 94,17 48,00 -3,45 -62,16 -35,95 -136,86 15,52 -122,46 -11,03 49,86 49,00 -2,71 -84,52 -37,02 -153,94 13,00 -148,98 -10,81 7,88 50,00 -2,35 -102,45 -38,27 165,40 10,38 -171,73 -9,71 -23,44
CHA2194 36-44ghz low noise amplifier ref : dsCHA21942035 -04-feb.-02 4/10 specifications subject to change without notice route dpartementale 128 , b.p.46 - 91401 orsay ce dex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 3 3 03 09 typical results chip typical response (on wafer scattering paramete rs) tamb = +25c vd = 3.5v vg12& vg3 not connected; id = 42ma typical gain , matching and noise figure ( measurem ents on wafer.) -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 frequency ( ghz ) gain & nf ( db ) -25,00 -15,00 -5,00 5,00 15,00 25,00 rlosses(db) dbs21 nf dbs11 dbs22
36-44ghz low noise amplifier CHA2194 ref : dsCHA21942035 -04-feb.-02 5/10 specifications subject to change without notice route dpartementale 128 , b.p.46 - 91401 orsay ce dex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 3 3 03 09 typical results chip typical response (in test jig) vd = 3.5v vg12& vg3 not connected; id = 42ma typical gain slope versus temperature : -0.025db/ c typical noise figure slope versus temperature : 0 .011db/c typical gain and nf versus temperature (measurement s in test jig ) typical gain & pout versus temperature (measurement s in test-jig) -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 input power (dbm) output power (dbm) 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 gain (db) pout (dbm) 40ghz +25c pout (dbm) 40ghz +85c pout (dbm) 40ghz -40c gain (db) 40ghz +25c gain (db) 40ghz +85c gain (db) 40ghz -40c -5 -3 -1 1 3 5 7 9 11 13 15 17 19 21 23 25 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 frequency (ghz) ga(db) 0 2 4 6 8 10 12 14 nf(db) gain vd:3,5v 42ma t:+25c gain vd=3,5v 47ma t:+85c gain vd:3,5v 57ma t:-40c nf vd=3,5v +25c nf vd=3,5v +85c nf vd=3,5v -40c
CHA2194 36-44ghz low noise amplifier ref : dsCHA21942035 -04-feb.-02 6/10 specifications subject to change without notice route dpartementale 128 , b.p.46 - 91401 orsay ce dex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 3 3 03 09 circuit typical response (in test-jig) typical output power (measurement in test jig) tamb = +25c vd=4v and vg12=vg3=1v these values are representative of the package asse mbly with input and output bonding. t ypical output power C1db. (measurement in test jig) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 33 34 35 36 37 38 39 40 41 42 43 44 frequency (ghz) p-1db (dbm) 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 100 id (ma) pout (dbm) (vd:3.5v) pout (dbm) vd:4v/ vg*:1v) id (ma) (vd:3.5v) id( ma) (vd:4v /vg*:1v) CHA2194 vd=4v vg1=vg2=vg3=+1v -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 input power (dbm) output power (dbm) 9 10 11 12 13 14 15 16 17 18 19 20 pout (dbm) 36ghz pout (dbm) 40ghz pout (dbm) 44 ghz gain (db) 36ghz gain (db) 40ghz gain (db) 44 ghz
36-44ghz low noise amplifier CHA2194 ref : dsCHA21942035 -04-feb.-02 7/10 specifications subject to change without notice route dpartementale 128 , b.p.46 - 91401 orsay ce dex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 3 3 03 09 chip schematic and pad identification (see also pag e 9) pad size :80/80 m m, chip thickness 100um dimensions : 1670 m m x 970m 35 m m
CHA2194 36-44ghz low noise amplifier ref : dsCHA21942035 -04-feb.-02 8/10 specifications subject to change without notice route dpartementale 128 , b.p.46 - 91401 orsay ce dex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 3 3 03 09 typical chip assembly - * nominal input and output bonding length: 0.3 to 0.38nh for one 25 m m bond wire. - chip backside is dc and rf bonding grounded
36-44ghz low noise amplifier CHA2194 ref : dsCHA21942035 -04-feb.-02 9/10 specifications subject to change without notice route dpartementale 128 , b.p.46 - 91401 orsay ce dex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 3 3 03 09 chip biasing options internal dc schematic this chip is self-biased, and flexibility is provid ed by the access to positive vg. the internal dc electrical schematic is given in or der to use these pads in a safe way. absolute recommandations n1: do not exceed vds* = 3,5 volt ( internal drain to source voltage ). n2: do not bias in such a way that vgs* becomes po sitive. (internal gate to source voltage) typical biasing table and typical results in test j ig at 40 ghz 40ghz in test jig vds ( v) vg12 (v) vg3 (v) id (ma) typical nf(db) typical gain (db) typical p-1db (db) typical psat (db) standard 3.5 nc nc 42 2.9 19 10 12 low noise high linearity 4 1 1 60 2,95 20 11 14 low noise /low current consumption 3,5 -1 -1 30 3 17,5 8 11 switch off 3.5 -8 -5 0 x x x x
CHA2194 36-44ghz low noise amplifier ref : dsCHA21942035 -04-feb.-02 10/10 specification s subject to change without notice route dpartementale 128 , b.p.46 - 91401 orsay ce dex - france tel.: +33 (0)1 69 33 03 08 - fax : +33 (0)1 69 3 3 03 09 ordering information chip form : CHA2194-99f/00 information furnished is believed to be accurate an d 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 impli cation or otherwise under any patent or patent rights of united monolithic semiconductors s.a.s. . specifications mentioned in this publication are subject to change without notice. this publication supersedes and re places all information previously supplied. united monolithic semiconductors s.a.s. products are not authorised for use as critical components in life support devices or s ystems without express written approval from united monolithic semiconductors s.a.s.
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