15 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 switche s - multi-throw - s mt 15 - 1 HMC344LP3 / 344lp3e gaas mmic sp4t non-reflective switch, dc - 8 ghz v06.1210 general description features functional diagram t he hmc 344 l p3 & hmc 344 l p3 e are broadband non-refective gaas me sf et sp4 t switches in low cost leadless surface mount packages. c overing d c to 8 g h z, this switch offers high isolation and low insertion loss and extends the frequency coverage of h ittites sp4 t switch product line. t his switch also includes an on board binary decoder circuit which reduces the required logic control lines to two. t he switch operates using a negative control voltage of 0/-5v, and requires a fxed bias of -5v. broadband performance: d c - 8 g h z h igh i solation: 40 db@ 6 g h z l ow i nsertion l oss: 1.8 db@ 6 g h z i ntegrated 2:4 ttl decoder 16 l ead 3x3mm qfn package: 9 mm2 electrical specifcations, t a = +25 c, with 0/-5v control, 50 ohm system typical applications t his switch is suitable for usage in d c - 8.0 g h z 50- o hm or 75- o hm systems: ? broadband ? fiber optics ? switched filter banks ? wireless below 8 ghz parameter frequency m in. t yp. m ax. u nits i nsertion l oss d c - 2.0 g h z d c - 6.0 g h z d c - 8.0 g h z 1.6 1.8 2.1 2.0 2.2 2.5 db db db i solation d c - 2.0 g h z d c - 4.0 g h z d c - 6.0 g h z d c - 8.0 g h z 43 36 34 31 48 41 40 36 db db db db r eturn l oss o n state d c - 2.0 g h z d c - 4.0 g h z d c - 6.0 g h z d c - 8.0 g h z 12 9 8 5 15 12 11 8 db db db db r eturn l oss o ff state d c - 8.0 g h z 7 10 db i nput power for 1 db c ompression 0.5 - 8.0 g h z 17 21 dbm i nput t hird o rder i ntercept ( t wo- t one i nput power = +7 dbm e ach t one) 0.5 - 8.0 g h z 37 40 dbm switching c haracteristics t ri s e , tfa ll (10/90% r f) t o n, t o ff (50% ctl to 10/90% r f) d c - 8.0 g h z 35 150 ns ns
15 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 switche s - multi-throw - s mt 15 - 2 HMC344LP3 / 344lp3e input third order intercept point gaas mmic sp4t non-reflective switch, dc - 8 ghz return loss 0.1 and 1 db input compression point insertion loss vs. temperature isolation * isolation is recorded above insertion loss & measured at output of switch. v06.1210 bias voltage & current control voltages state bias c ondition l ow -3v to 0 vdc @ 60 a t ypical h igh -5 to -4.2 vdc @ 5 a t ypical vee r ange = -5.0 vdc 10% vee (vdc) i ee ( t yp.) (ma) i ee ( m ax.) (ma) -5.0 3.0 6.0 -5 -4 -3 -2 -1 0 0 1 2 3 4 5 6 7 8 9 +25 c +85 c -40 c insertion loss (db) frequency (ghz) 35 37 39 41 43 45 1 2 3 4 5 6 7 8 9 rf1 rf2 rf3 rf4 input third order intercept (dbm) frequency (ghz) 10 13 16 19 22 25 2 3 4 5 6 7 8 9 1.0db compression point 0.1db compression point input compression point (dbm) frequency (ghz) -25 -20 -15 -10 -5 0 0 1 2 3 4 5 6 7 8 9 rfc rf1,2,3,4 on rf1,2,3,4 off return loss (db) frequency (ghz) -70 -60 -50 -40 -30 -20 -10 0 0 1 2 3 4 5 6 7 8 9 10 rf1 rf2 rf3 rf4 isolation (db) frequency (ghz)
15 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 switche s - multi-throw - s mt 15 - 3 truth table outline drawing c ontrol i nput signal path state a b r f com to: h igh h igh r f1 l ow h igh r f2 h igh l ow r f3 l ow l ow r f4 absolute maximum ratings bias voltage r ange (vee) -7.0 vdc c ontrol voltage r ange (a & b) vee -0.5v to +1.0 vdc c hannel t emperature 150 c t hermal r esistance ( i nsertion l oss path) 143 c / w t hermal r esistance ( t erminated path) 1,030 c / w storage t emperature -65 to +150 c o perating t emperature -40 to +85 c m aximum i nput power +24 dbm e sd sensitivity ( h b m ) c lass 1a electro s t a tic s e ns iti v e de v ice o bs er v e h and li ng p rec a utio ns HMC344LP3 / 344lp3e gaas mmic sp4t non-reflective switch, dc - 8 ghz v06.1210 part number package body m aterial l ead finish m s l r ating package m arking [3] hmc 344 l p3 l ow stress i njection m olded plastic sn/pb solder m s l 1 [1] 344 xxxx hmc 344 l p3 e r o h s-compliant l ow stress i njection m olded plastic 100% matte sn m s l 1 [2] 344 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 n ote s: 1. le adf r a me m a teri a l : co pp er a llo y 2. d ime ns io ns a re i n i n che s [ millimeter s]. 3. le ad spa ci ng toler an ce i s n o n- cumul a ti v e 4. pad b urr le ng th s h a ll b e 0.15mm m ax imum . pad b urr hei g ht s h a ll b e 0.05mm m ax imum . 5. pa c kag e w a r p s h a ll n ot e x cee d 0.05mm. 6. a ll g rou nd le ads and g rou nd padd le mu s t b e s ol d ere d to p c b r f g rou nd. 7. re f er to hittite app lic a tio n n ote f or s u gg e s te d p c b l and pa tter n.
15 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 switche s - multi-throw - s mt 15 - 4 pin number function description i nterface schematic 1, 4, 9, 12, 15 r f4, r f3, r f2, r f1, r f c t his pin is d c coupled and matched to 50 o hm. blocking capacitors are required if r f line potential is not equal to 0v. 2, 3, 10, 11, 13 n/ c t his pin should be connected to p c b r f ground to maximize isolation. 5, 14, 16 gnd package bottom has exposed metal paddle that must also be connected to p c b r f ground. 6 v ee supply voltage -5v 10% 7 ctl b see truth table and control voltage table. 8 ctl a see truth table and control voltage table. pin descriptions HMC344LP3 / 344lp3e gaas mmic sp4t non-reflective switch, dc - 8 ghz v06.1210
15 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 switche s - multi-throw - s mt 15 - 5 ttl interface circuit HMC344LP3 / 344lp3e gaas mmic sp4t non-reflective switch, dc - 8 ghz v06.1210
15 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 switche s - multi-throw - s mt 15 - 6 evaluation pcb t he circuit board used in the fnal application should be generated with proper r f circuit design techniques. signal lines at the r f port should have 50 ohm impedance and the package ground leads and backside ground slug should be connected directly to the ground plane similar to that shown above. t he evaluation circuit board shown above is available from h ittite m icrowave c orporation upon request. list of materials for evaluation pcb 105311 [1] i tem description j1 - j7 p c b m ount s m a r f c onnector j8 - j11 d c pin c 1 - c 7 0 ohm res, 0402 pkg. [3] c 8 10k pf c apacitor, 0603 pkg. u 1 hmc 344 l p3 / hmc 344 l p3 e sp4 t switch p c b [2] 104708 e valuation p c b 1.29x1.55 [1] r eference this number when ordering complete evaluation p c b [2] c ircuit board m aterial: r ogers 4350 [3] select and replace with a suitable capacitor value for applicable operating frequency range. HMC344LP3 / 344lp3e gaas mmic sp4t non-reflective switch, dc - 8 ghz v06.1210
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