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 12 - 1 variable gain amplifiers - anal o g - sm t 12 HMC694LP4 / 694lp4e v02.1108 functional diagram the h m c694 lp 4( e ) is a g a a s mmi c p h em t analog variable gain amplifer which operates between 6 and 17 g hz. i deal for microwave radio applications, the amplifer provides up to 22 d b of gain, output p 1 d b of up to +22 d b m, and up to +30 d b m of output ip 3 at maximum gain, while requiring only 175 m a from a +5v supply. a gate bias pin (vctrl) is provided to allow variable gain control up to 23 d b . g ain fatness is excellent making the h m c694 lp 4 e ideal for e w, e c m and radar applications. the h m c694 lp 4 e is housed in a r oh s compliant 4x4 mm q fn leadless package and is compatible with high volume surface mount manufacturing. typical applications features general description gaas mmic analog variable gain amplifier, 6 - 17 ghz the h m c694 lp 4( e ) is ideal for: ? p oint-to- p oint r adio ? p oint-to- m ulti- p oint r adio ? e w & e c m ? x- b and r adar ? test e quipment wide g ain control r ange: 23 d b s ingle control voltage output ip 3 @ m ax g ain: +30 d b m output p 1d b : +22 d b m n o e xternal m atching 24 l ead 4x4 mm sm t p ackage: 16 mm 2 electrical specifcations, t a = +25c, vdd1, 2, 3= 5v, vctrl= -2v, idd= 170 ma* p arameter min. typ. max. min. typ. max. units f requency r ange 6 - 10 10 - 17 ghz gain 19 22 14 18 db gain flatness 1 1.5 db g ain variation over temperature 0.015 0.015 db/ c g ain control r ange 23 20 db noise f igure 6 7.5 6 6.5 db input r eturn loss 15 8 db output r eturn loss 10 8 db output p ower for 1 d b compression (p1db) 19 21 21 22 dbm s aturated output p ower ( psat) 22 23 dbm output third order i ntercept (ip3) 30 30 dbm total s upply current (idd) 175 175 ma *s et vctrl = -2v and then adjust vgg1, 2 between -2v to 0v (typ. -0.8v) to achieve i dd = 170ma typical.
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 12 - 2 v ariable gain amplifiers - anal o g - sm t 12 HMC694LP4 / 694lp4e v02.1108 gaas mmic analog variable gain amplifier, 6 - 17 ghz output return loss vs. temperature broadband gain & return loss gain vs. temperature input return loss vs. temperature -30 -20 -10 0 10 20 30 4 6 8 10 12 14 16 18 20 22 24 26 s21 s11 s22 response (db) frequency (ghz) -30 -25 -20 -15 -10 -5 0 6 8 10 12 14 16 18 +25c +85c -40c return loss (db) frequency (ghz) 0 5 10 15 20 25 30 6 8 10 12 14 16 18 +25c +85c -40c gain (db) frequency (ghz) -30 -25 -20 -15 -10 -5 0 6 8 10 12 14 16 18 +25c +85c -40c return loss (db) frequency (ghz) control voltage range vs. gain gain vs. control voltage -5 0 5 10 15 20 25 -1.6 -1.4 -1.2 -1 -0.8 -0.6 -0.4 gain (db) control voltage (v) 17 ghz 6 ghz 10 ghz 13 ghz -5 0 5 10 15 20 25 5 7 9 11 13 15 17 19 gain (db) frequency (ghz) vctl = -2.0v vctl = 0v vctl = -1.2v vctl = -1.0v vctl = -1.3v vctl = -0.8v vctl = -1.1v
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 12 - 3 variable gain amplifiers - anal o g - sm t 12 [1] tested with broadband bias tee on rf ports and c1 = 10,000p f [2] c1, c6 and c8 = 100p f , l 1 = 24n f HMC694LP4 / 694lp4e v02.1108 gaas mmic analog variable gain amplifier, 6 - 17 ghz p1db vs. temperature psat vs. temperature 0 4 8 12 16 20 24 28 4 6 8 10 12 14 16 18 +25c +85c -40c psat (dbm) frequency (ghz) vctrl = -2v vctrl = 0v 0 4 8 12 16 20 24 28 4 6 8 10 12 14 16 18 +25c +85c -40c p1db (dbm) frequency (ghz) vctrl = -2v vctrl = 0v noise figure vs. temperature 0 2 4 6 8 10 6 8 10 12 14 16 18 +25c +85c -40c noise figure (db) frequency (ghz) return loss @ voltage extreme output return loss @ voltage extreme -30 -25 -20 -15 -10 -5 0 6 8 10 12 14 16 18 -2v 0v return loss (db) frequency (ghz) -30 -25 -20 -15 -10 -5 0 6 8 10 12 14 16 18 -2v 0v return loss (db) frequency (ghz) noise figure vs. ctrl 4 6 8 10 12 14 16 18 20 22 -1.6 -1.4 -1.2 -1 -0.8 -0.6 -0.4 noise figure (db) control voltage (v) 6 ghz 17 ghz 6 ghz 17 ghz (6, 8, 10, 12, 14, 17) ghz 14 ghz
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 12 - 4 v ariable gain amplifiers - anal o g - sm t 12 HMC694LP4 / 694lp4e v02.1108 gaas mmic analog variable gain amplifier, 6 - 17 ghz output ip3 vs. temperature 10 14 18 22 26 30 34 4 6 8 10 12 14 16 18 +25c +85c -40c ip3 (dbm) frequency (ghz) vctrl = 0v, pout = 8dbm vctrl = -2v, pout = 15dbm reverse isolation vs. temperature -80 -70 -60 -50 -40 -30 6 8 10 12 14 16 18 +25c +85c -40c reverse isolation (db) frequency (ghz) output ip3 @ 5 dbm 12 14 16 18 20 22 24 26 28 -1.2 -1 -0.8 -0.6 -0.4 -0.2 0 ip3 (dbm) control voltage (v) 16 ghz 7 ghz 12 ghz output ip3 @ 0 dbm 12 14 16 18 20 22 24 26 28 -0.8 -0.6 -0.4 -0.2 0 ip3 (dbm) control voltage (v) 16 ghz 7 ghz 12 ghz output ip3 @ 10 dbm 16 18 20 22 24 26 28 30 -2 -1.8 -1.6 -1.4 -1.2 -1 -0.8 -0.6 ip3 (dbm) control voltage (v) 16 ghz 7 ghz 12 ghz
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 12 - 5 variable gain amplifiers - anal o g - sm t 12 HMC694LP4 / 694lp4e v02.1108 gaas mmic analog variable gain amplifier, 6 - 17 ghz outline drawing n ot es : 1. lea d frame ma t erial : co pper all oy 2. d imensi o ns are in in ch es [ millime t ers ] 3. lea d spa c ing to leran c e is n o n -cu m u la t i v e . 4. pa d b u rr leng th s h all be 0.15mm ma x im u m . pa d b u rr h eig ht s h all be 0.05mm ma x im u m . 5. pa ck age w arp s h all n ot e xc ee d 0.05mm. 6. all gr ou n d lea d s an d gr ou n d pa dd le m u s t be s o l d ere d to p c b rf gr ou n d. 7. refer to h i tt i t e appli c a t i o n n ot e f o r s u gges t e d lan d pa tt ern . p art n umber p ackage b ody m aterial l ead f inish msl r ating p ackage m arking [3] h m c694 lp 4 l ow s tress i njection m olded p lastic s n/ p b s older msl 1 [1] h694 xxxx h m c694 lp 4 e r oh s -compliant l ow s tress i njection m olded p lastic 100% matte s n msl 1 [2] h694 xxxx [1] m ax peak refow temperature of 235 c [2] m ax peak refow temperature of 260 c [3] 4-digit lot number xxxx package information absolute maximum ratings drain b ias voltage (vdd1, 2, 3) +5.5v g ate b ias voltage (vgg1, 2) -3 to 0v g ain control voltage (vctrl) -3 to 0v rf p ower i nput +5 d b m channel temperature 175 c continuous p diss (t = 85 c) (derate 10.2 mw/ c above 85 c) [1] 0.92 w thermal r esistance (channel to ground paddle) 97.6 c/w s torage temperature -65 to +150 c operating temperature -40 to +85 c ele ct ro s t a t ic sensi t i v e de v ic e o bser v e h an d ling pre c a ut i o ns bias voltage vdd1,2,3 (v) i dd total (m a ) +5.0 170 vgg1,2 (v) i gg total (m a ) 0v to -2v <3 a
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 12 - 6 v ariable gain amplifiers - anal o g - sm t 12 HMC694LP4 / 694lp4e v02.1108 gaas mmic analog variable gain amplifier, 6 - 17 ghz pin descriptions p ad n umber f unction description i nterface s chematic 1, 2, 6, 8, 10, 11, 13, 17, 18, 20, 21, 23 n /c n o connection 3, 5, 14, 16 gn d die bottom must be connected to rf /dc ground. 4 rfin this pad is a c coupled and matched to 50 ohm. 7, 12 vgg1, 2 g ate control for amplifer. a djust voltage to achieve typical i dd. p lease follow mmi c a mplifer b iasing p rocedure application note. 9 vctrl g ain control voltage for the amplifer. s ee assembly diagram for required external components. 15 rf out this pad is a c coupled and matched to 50 ohm. 19, 22, 24 vdd1, 2, 3 drain b ias voltage for the amplifer. s ee assembly diagram for required external components
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 12 - 7 variable gain amplifiers - anal o g - sm t 12 HMC694LP4 / 694lp4e v02.1108 gaas mmic analog variable gain amplifier, 6 - 17 ghz 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 12 - 8 v ariable gain amplifiers - anal o g - sm t 12 HMC694LP4 / 694lp4e v02.1108 gaas mmic analog variable gain amplifier, 6 - 17 ghz evaluation pcb the circuit board used in the application should use rf circuit design techniques. s ignal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected 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 circuit board shown is available from hit - tite upon request. list of materials for evaluation pcb 122174 [1] i tem description j1, j2 p c b m ount sma rf connectors j3 - j9 dc p in c1 - c6 100 p f capacitor, 0402 p kg. c7 - c12 1000 p f capacitor, 0603 p kg. c13 - c18 2.2 f capacitor, c ase a u1 h m c694 lp 4( e ) variable g ain a mplifer p c b [2] 122172 e valuation p c b [1] r eference this number when ordering complete evaluation p c b [2] circuit b oard m aterial: a rlon 25 fr
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