for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com amplifiers - driver & g a in block - sm t 8 8 - 1 hmc635lc4 gaas phemt mmic driver amplifier, 18 - 40 ghz v00.1008 general description features functional diagram the h mc 635 lc 4 is a gaas p h em t mmic driver amplifer die which operates between 18 and 40 ghz. the amplifer provides 18.5 db of gain, +27 dbm o utput ip 3, and +22 dbm of output power at 1 db gain compression, while requiring 280 ma from a +5 v supply. i deal as a driver amplifer for microwave radio applications, or as an lo driver for mixers operating between 18 and 40 ghz, the h mc 635 lc 4 is capable of providing up to +23.5 dbm of saturated output power at 15% p a e . the amplifers i / o s are d c blocked and internally matched to 50 o hms making it ideal for integration into m ulti- c hip- m odules ( mcm s). gain: 18.5 db [2] p 1db: +22 dbm [2] o utput ip 3: +27 dbm s aturated p ower: +23.5 dbm @ 15% p a e [2] s upply v oltage: +5 v @ 280 ma 50 o hm m atched i nput/ o utput 24 l ead c eramic 4x4mm sm t p ackage: 16mm 2 electrical specifcations t a = +25 c, vdd= vdd1, 2, 3, 4 = +5v, idd= idd1 + idd2 + idd3 + idd4 = 280ma [1] typical applications the h mc 635 lc 4 is ideal for: ? p oint-to- p oint r adios ? p oint-to- m ulti- p oint r adios & vs at ? lo driver for m ixers ? m ilitary & s pace p arameter m in. typ. m ax. m in. typ. m ax. units f requency r ange 18 - 36 36 - 40 ghz gain [2] 15 18.5 15 17.5 db gain v ariation o ver temperature 0.045 0.06 0.045 0.06 db/ c i nput r eturn l oss 13 7 db o utput r eturn l oss 10 7 db o utput p ower for 1 db c ompression ( p 1db) [2] 19 22 16 21 dbm s aturated o utput p ower ( p sat) [2] 23.5 21.5 dbm o utput third o rder i ntercept ( ip 3) 22 27 21 26 dbm n oise f igure [2] 7 7 db total s upply c urrent ( i dd1 + i dd2 + i dd3 + i dd4) 280 280 ma [1] adjust v gg1 = v gg2 between -2 to 0 v to achieve i dd= 280 ma typical. [2] board loss subtracted out for gain, power and noise fgure measurements.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com amplifiers - driver & g a in block - sm t 8 8 - 2 input return loss vs. temperature output return loss vs. temperature broadband gain & return loss [1] gain vs. temperature [1] p1db vs. temperature [1] psat vs. temperature [1] hmc635lc4 v00.1008 gaas phemt mmic driver amplifier, 18 - 40 ghz -25 -15 -5 5 15 25 10 15 20 25 30 35 40 45 50 s21 s11 s22 response (db) frequency (ghz) -20 -15 -10 -5 0 16 21 26 31 36 41 +25c - 40c return loss (db) frequency (ghz) 0 5 10 15 20 25 16 21 26 31 36 41 +25c - 40c gain (db) frequency (ghz) 16 18 20 22 24 26 16 21 26 31 36 41 +25c - 40c p1db (dbm) frequency (ghz) -25 -20 -15 -10 -5 0 16 21 26 31 36 41 +25c - 40c return loss (db) frequency (ghz) 16 18 20 22 24 26 16 21 26 31 36 41 +25c - 40c psat (dbm) frequency (ghz) [1] board loss subtracted out for gain, power and noise fgure measurements.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com amplifiers - driver & g a in block - sm t 8 8 - 3 power compression @ 30 ghz [1] output ip3 vs. temperature noise figure vs. temperature [1] gain & power vs. supply voltage @ 30 ghz [1] reverse isolation vs. temperature power compression @ 40 ghz [1] hmc635lc4 v00.1008 gaas phemt mmic driver amplifier, 18 - 40 ghz -70 -60 -50 -40 -30 -20 -10 0 16 21 26 31 36 41 +25c - 40c isolation (db) frequency (ghz) 16 18 20 22 24 26 4.5 4.7 4.9 5.1 5.3 5.5 gain p1db psat gain (db), p1db (d bm), psat (dbm) vdd (v) 16 20 24 28 32 36 40 16 21 26 31 36 41 +25 c -40 c ip3 (dbm) frequency (ghz) 0 3 6 9 12 15 16 21 26 31 36 41 +25 c -40 c noise figure (db) frequency (ghz) 0 5 10 15 20 25 30 -15 -10 -5 0 5 10 pout (dbm) gain (db) pae (%) pout (dbm), gain (db), pae (%) input power (dbm) 0 5 10 15 20 25 30 -15 -10 -5 0 5 10 pout (dbm) gain (db) pae (%) pout (dbm), gain (db), pae (%) input power (dbm) [1] board loss subtracted out for gain, power and noise fgure measurements.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com amplifiers - driver & g a in block - sm t 8 8 - 4 absolute maximum ratings drain bias v oltage ( v dd1, 2, 3, 4) +5.5 v gate bias v oltage ( v gg1, v gg2) -3 to 0 v rf i nput p ower ( rfin )( v dd = +5 v dc) 15 dbm c hannel temperature 175 c c ontinuous p diss (t= 70 c ) (derate 15.1 mw/ c above 70 c ) 1.575 w thermal r esistance (channel to package base) 66.4 c /w s torage temperature -65 to +150 c o perating temperature -55 to +70 c vdd (v) idd (ma) 4.5 277 5.0 280 5.5 286 note: amplifer will operate over full voltage ranges shown above typical supply current vs. vdd elec t ros tat ic sensi t ive d evice o b serve ha n d lin g prec aut ions hmc635lc4 v00.1008 gaas phemt mmic driver amplifier, 18 - 40 ghz outline drawing no t es : 1. p a ck ag e b o dy m at eri a l : a l u min a 2. le ad a n d g ro u n d p add le pl at in g: 30-80 microinc h es g ol d over 50 microinc h es minim u m nickel . 3. d imensions a re in inc h es [ millime t ers ]. 4. le ad sp a cin g t oler a nce is non - c u m u l at ive . 5. p a ck ag e wa rp s ha ll no t e x cee d 0.05mm datu m - c - 6. a ll g ro u n d le ad s a n d g ro u n d p add le m u s t b e sol d ere d t o pc b rf g ro u n d.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com amplifiers - driver & g a in block - sm t 8 8 - 5 hmc635lc4 v00.1008 gaas phemt mmic driver amplifier, 18 - 40 ghz pin descriptions p in n umber f unction description i nterface s chematic 1, 2, 4 - 8, 10, 12 - 15, 17 - 19, 24, ground p addle g n d these pins and package bottom must be connected to rf /d c ground 3 rfin this pad is a c coupled and matched to 50 o hms. 16 rfo ut this pad is a c coupled and matched to 50 o hms. 9, 11 v gg1, v gg2 gate control for amplifer, please follow mmic amplifer biasing p rocedure application note. s ee assembly diagram for required external components. 20 - 23 v dd4 - v dd1 p ower s upply v oltage for the amplifer. s ee assembly diagram for required external components. application circuit
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com amplifiers - driver & g a in block - sm t 8 8 - 6 hmc635lc4 v00.1008 gaas phemt mmic driver amplifier, 18 - 40 ghz evaluation pcb the circuit board used in the application should use rf circuit design techniques. s ignal lines should have 50 o hm impedance while the package ground leads and exposed paddle should be con - nected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation board should be mounted to an appropriate heat sink. the evaluation circuit board shown is available from hittite upon request. list of materials for evaluation 122763 [1] i tem description j1 - j2 2.92 mm pc m ount k - c onnector v d1 - v d4, v gg1, v gg2 d c p in c 1 - c 6 100 p f c apacitor, 0402 p kg. c 7 - c 12 1000 p f c apacitor, 0603 p kg. c 13 - c 18 4.7 f c apacitor, tantalum, c ase a u1 h mc 635 lc 4 driver amplifer pc b [2] 122761 e valuation pc b [3] [1] r eference this number when ordering complete evaluation pc b [2] c ircuit board m aterial: r ogers 4350 or arlon 25 fr [3] due to the very high frequency operation of this product a custom lc4 pcb footprint and solder stencil are required for this design. performance shown in this data sheet was produced using this custom footprint. do not use hittites standard lc4 footprint. please contact applications for details.
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