mixers - i/q mixers, irm s & r eceivers - sm t 10 10 - 1 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com HMC908LC5 gaas mmic i/q downconverter 9 - 12 ghz v02.1110 general description features typical applications the h mc 908l c 5 is a compact gaas mcm i / q downconverter in a leadless r oh s compliant sm t ceramic package. this device provides a small signal conversion gain of 11 db with a noise fgure of 2.2 db and 25 db of image rejection. the h mc 908l c 5 utilizes an lna followed by an image reject mixer which is driven by an lo buffer amplifer. the image reject mixer eliminates the need for a flter following the lna, and removes thermal noise at the image fre- quency. i and q mixer outputs are provided and an external 90 hybrid is needed to select the required sideband. the h mc 908l c 5 is a much smaller alternative to hybrid style image reject mixer downconverter assemblies, and it eliminates the need for wire bonding by allowing the use of surface mount manufacturing techniques. electrical specifcations, t a = +25 c, if = 100 mhz, lo = 0 dbm, vd1 = vd2 = 3v, vd3 = 5v* parameter m in. typ. m ax. units frequency r ange, r f 9 - 12 ghz frequency r ange, lo 5.5 - 15.5 ghz frequency r ange, i f d c - 3.5 ghz c onversion gain (as irm ) 8 11 db noise figure 2.2 db i mage r ejection 15 25 db 1 db c ompression ( i nput) -5 dbm lo to r f i solation 40 50 db lo to i f i solation 5 10 db i p3 ( i nput) -3 2 dbm amplitude balance 1 db phase balance 6 deg s upply c urrent ( i d1 + i d2) 60 88 ma s upply c urrent ( i d3) 100 120 ma *data taken as irm with external i f hybrid functional diagram the h mc 908l c 5 is ideal for: ? point-to-point and point-to- m ulti-point r adio ? m ilitary r adar, e w & e l i nt ? s atellite c ommunications ? m aritime & m obile r adio c onversion gain: 11 db i mage r ejection: 25 db lo to r f i solation: -50 db noise figure: 2.2 db i nput i p3: +2 dbm 32 lead 5x5mm c eramic sm t package: 25mm2
mixers - i/q mixers, irm s & r eceivers - sm t 10 10 - 2 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com conversion gain vs. temperature input p1db vs. temperature conversion gain vs. lo drive image rejection vs. temperature return loss input ip3 vs. lo drive data taken as irm with external if hybrid -10 -5 0 5 10 15 20 8 9 10 11 12 13 +25c +85c -40c conversion gain (db) rf frequency (ghz) -25 -20 -15 -10 -5 0 5 7 9 11 13 15 17 lo rf return loss (db) frequency (ghz) -10 -5 0 5 10 15 20 8 9 10 11 12 13 -4 dbm -2 dbm 0 dbm 2 dbm 4 dbm 6 dbm conversion gain (db) rf frequency (ghz) -40 -35 -30 -25 -20 -15 -10 -5 0 8 9 10 11 12 13 +25c +85c -40c image rejection (dbc) rf frequency (ghz) -2 0 2 4 6 8 8 9 10 11 12 13 lo = -2 dbm lo = 0 dbm lo = 2 dbm lo = 4 dbm ip3 (dbm) rf frequency (ghz) -12 -10 -8 -6 -4 -2 0 8 9 10 11 12 13 +25c +85c -40c p1db (dbm) rf frequency (ghz) HMC908LC5 v02.1110 gaas mmic i/q downconverter 9 - 12 ghz
mixers - i/q mixers, irm s & r eceivers - sm t 10 10 - 3 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com isolations if bandwidth* amplitude balance vs. lo drive phase balance vs. lo drive quadrature channel data taken without if hybrid * conversion gain data taken with external if hybrid, lo frequency fxed at 10 ghz and rf varied noise figure vs. lo drive, lo frequency = 10 ghz noise figure vs. lo drive, if frequency = 100 mhz 0 1 2 3 4 5 6 8.5 9.5 10.5 11.5 12.5 -4 dbm -2 dbm 0 dbm 2 dbm 4 dbm noise figure (db) rf frequency (ghz) 0 2 4 6 8 0.5 1 1.5 2 2.5 3 3.5 -4 dbm -2 dbm 0 dbm 2 dbm 4 dbm noise figure (db) if frequency (ghz) -20 -15 -10 -5 0 5 10 15 20 8 9 10 11 12 13 lo = -4 dbm lo = -2 dbm lo = 0 dbm lo = 2 dbm lo = 4 dbm phase balance (degrees) rf frequency (ghz) -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 8 9 10 11 12 13 lo = -4 dbm lo = -2 dbm lo = 0 dbm lo = 2 dbm lo = 4 dbm amplitude balance (db) rf frequency (ghz) -40 -30 -20 -10 0 10 20 30 40 0.5 1 1.5 2 2.5 3 3.5 conversion gain return loss response (db) if frequency (ghz) -60 -50 -40 -30 -20 -10 0 10 8 9 10 11 12 13 isolation (db) rf frequency (ghz) lo/if2 lo/if1 rf/if1 rf/if2 lo/rf HMC908LC5 v02.1110 gaas mmic i/q downconverter 9 - 12 ghz
mixers - i/q mixers, irm s & r eceivers - sm t 10 10 - 4 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com mxn spurious outputs nlo m r f 0 1 2 3 4 0 xx 27 36 37 92 1 16 0 34 68 61 2 92 66 57 70 92 3 92 92 81 57 92 4 92 92 92 92 92 r f = 10.6 ghz @ -20 dbm lo = 10.5 ghz @ 0 dbm data taken without i f hybrid all values in dbc below i f power level. absolute maximum ratings r f +5 dbm lo drive +20 dbm v d1, v d2 4.0 v v d3 5.5 v c hannel temperature 150 c c ontinuous pdiss (t=85 c ) (derate 9.56 mw/ c above 85 c ) 0.65 w thermal r esistance ( r th ) (channel to package bottom) 71 c /w s torage temperature -65 to +150 c operating temperature -55 to +85 c es d s ensitivity (hb m ) c lass 0, 150 v outline drawing not es : 1. pa c kag e body m at eri al: alu mi na 2. l e ad and g r ound paddl e plat i ng: 30 - 80 micr o i n c h es gold o ver 50 micr o i n c h es mi n im u m n ic kl e 3. d ime n si on s a re i n i n c h es [ mi ll ime t ers ] 4. l e ad s pa ci ng tol er an ce is non- c u m ulat ive 5. pa c kag e wa r p s hall not excee d 0.05mm datu m 6. all g r ound l e ad s and g r ound paddl e m u s t b e s old ere d to p c b r f g r ound e l ec t ro s tat ic se n si t ive d evice ob serve handl i ng p rec aut i on s HMC908LC5 v02.1110 gaas mmic i/q downconverter 9 - 12 ghz part number package body m aterial lead finish ms l r ating package m arking [1] h mc 908l c 5 alumina gold ms l1 [2] h908 xxxx [1] 4-digit lot number xxxx [2] m ax peak refow temperature of 260 c package information
mixers - i/q mixers, irm s & r eceivers - sm t 10 10 - 5 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com pin number function description i nterface s chematic 1, 5, 7 - 9, 13 - 16, 22 - 27, 30 - 32 n/ c the pins are not connected internally; however, all data shown herein was measured with these pins connected to r f/d c ground externally. 2, 4, 10, 12, 17, 19, 21 gnd these pins and ground paddle must be connected to r f/d c ground. 3 r f this pin is a c coupled and matched to 50 ohms. 6 v d3 power supply for lo amplifer. 28, 29 v d1, v d2 power supply for r f lna. 18 i f2 this pin is d c coupled. for applications not requir - ing operation to d c , this port should be d c blocked externally using a series capacitor whose value has been chosen to pass the necessary frequency range. for operation to d c , this pin must not sink / source more than 3 ma of current or part non-function and possible failure will result. 20 i f1 11 lo this pin is a c coupled and matched to 50 ohms. pin descriptions typical application note: l s b and u s b is determined by gnd on hybrid HMC908LC5 v02.1110 gaas mmic i/q downconverter 9 - 12 ghz
mixers - i/q mixers, irm s & r eceivers - sm t 10 10 - 6 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com evaluation pcb the circuit board used in the application should use r f circuit design techniques. s ignal lines should have 50 ohm 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 circuit board shown is available from hittite upon request. list of materials for evaluation pcb 111227 [1] i tem description j1, j2 p c b m ount sm a r f c onnector, sri j3, j4 p c b m ount sm a c onnector, johnson j5 - j7 d c pin c 1, c 2, c 3 100 pf c apacitor 0402, pkg. c 4, c 5, c 6 1000 pf c apacitor 0402, pkg. c 7, c 8, c 9 2.2 f c apacitor, tantalum c ase a r 1, r 2 0 ohm r esistor, 0402 pkg. u1 h mc 908l c 5 vc 1 n/ c p c b [2] 111225 e valuation board [1] r eference this number when ordering complete evaluation p c b [2] c ircuit board m aterial: r ogers 4350 HMC908LC5 v02.1110 gaas mmic i/q downconverter 9 - 12 ghz
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