11 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 - spd t - sm t 11 - 1 hmc641lc4 general description features functional diagram t he h m c 641l c 4 is a broadband non-refective gaas p he m t sp4 t switch in a compact 4x4 mm ceramic package. c overing d c to 20 g h z, this switch offers high isolation, low insertion loss and on-chip termination of isolated ports. t his switch also includes an on board binary decoder circuit which reduces the number of required logic control lines from four to two. t he h m c 641l c 4 is controlled with 0/ -5v logic, exhibits fast switching speed and consumes much less d c current than pin diode based solutions. t he h m c 641l c 4 is also available in die form as the h m c 641. broadband performance: d c - 20 g h z h igh i solation: 42 db @ 12 g h z low i nsertion loss: 2.1 db @ 12 g h z i ntegrated 2:4 tt l decoder 24 lead 4x4mm sm t package: 16mm2 electrical specifcations, t a = +25 c, with 0/-5v control, vss = -5v, 50 ohm system typical applications t he h m c 641l c 4 is ideal for: ? t elecom i nfrastructure ? microwave radio & vsa t ? military & space h ybrids ? t est i nstrumentation ? sa tc om & sensors gaas mmic sp4t non-reflective switch, dc - 20 ghz v00.0609 parameter frequency min. t yp. max. units i nsertion loss d c - 12 g h z d c - 20 g h z 1.6 2.3 2.8 3.5 db db i solation (rf c to rf1 - rf4) d c - 12 g h z d c - 20 g h z 30 30 42 40 db db return loss on state d c - 12 g h z d c - 20 g h z 18 17 db db return loss off state d c - 20 g h z 13 db i nput power for 1 db c ompression 0.05 - 0.25 g h z 0.25- 20 g h z 10 20 15 23 dbm dbm i nput t hird order i ntercept ( t wo- t one i nput power= +14 dbm e ach t one) 0.05 - 0.25 g h z 0.25 - 20 g h z 30 39 dbm dbm switching c haracteristics tr i s e , tfall (10/90% rf) ton, toff (50% ct l to 10/90% rf) d c - 20 g h z 15 88 ns ns
11 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 - spd t - sm t 11 - 2 input third order intercept point @ 0 dbm tone power return loss 1 db input compression point insertion loss vs. temperature isolation hmc641lc4 v00.0609 gaas mmic sp4t non-reflective switch, dc - 20 ghz -5 -4 -3 -2 -1 0 0 4 8 12 16 20 24 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0 4 8 12 16 20 24 rfc rf1,2,3,4 on rf1,2,3,4 off return loss (db) frequency (ghz) -80 -70 -60 -50 -40 -30 -20 -10 0 0 4 8 12 16 20 24 rf1 rf2 rf3 rf4 isolation (db) frequency (ghz) 10 15 20 25 30 0 2 4 6 8 10 12 14 16 18 20 22 input compression point (dbm) frequency (ghz) 15 20 25 30 35 40 45 50 0 5 10 15 20 ip3 (dbm) frequency (ghz)
11 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 - spd t - sm t 11 - 3 hmc641lc4 v00.0609 gaas mmic sp4t non-reflective switch, dc - 20 ghz truth table absolute maximum ratings bias voltage & current c ontrol i nput signal path state a b rf c to: h igh h igh rf1 low h igh rf2 h igh low rf3 low low rf4 vss range= -5.0 vdc 10% vss (vdc) iss (t yp) (ma) iss (max) (ma) -5 1.7 5.0 bias voltage (vss) -7v c ontrol voltage range (a & b) vss -0.5v to +1v maximum i nput power +24 dbm c hannel t emperature 150 c t hermal resistance c hannel to die bottom ( i nsertion loss path) 199 c / w t hermal resistance c hannel to die bottom ( t erminated path) 219 c / w storage t emperature -65 to +150 c operating t emperature -40 to +85 c e sd sensitivity ( h bm) c lass 1a ttl/cmos control voltages state bias c ondition low -2.5v to 0v @ 30 a t yp. high -5v to -3.8v @ 1.7 a t yp. e l ect ros t a tic s e ns iti v e d e v ice obs e rv e h andl i ng pr ec au ti ons
11 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 - spd t - sm t 11 - 4 outline drawing hmc641lc4 v00.0609 gaas mmic sp4t non-reflective switch, dc - 20 ghz no tes: 1. pa c kag e body ma te r i al: alum i na 2. l e ad and ground paddl e pla ti ng: 30-80 m ic ro i n che s gold ov e r 50 m ic ro i n che s m i n i mum n ic k e l. 3. d i m e ns i ons ar e i n i n che s [m i ll i m ete rs]. 4. l e ad spa ci ng t ol e ran ce i s non- c umula ti v e 5. pa c kag e w arp s h all no t e x cee d 0.05mm da t um - c - 6. all ground l e ads and ground paddl e mus t b e sold e r e d to p c b rf ground. 7. c lass i f ie d as mo i s t ur e s e ns iti v it y l e v e l (msl) 1.
11 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 - spd t - sm t 11 - 5 pin descriptions pin number function description i nterface schematic 1, 5, 6, 13, 18 n/ c t hese pins are not connected internally; however, all data shown herein was measured with these pins connected to rf/d c ground externally. 2, 4, 7, 9, 10, 12, 17, 19, 21, 22, 24 ground paddle gnd t hese pins and the exposed ground paddle must be connected to rf/d c ground. 3, 8, 11, 20, 23 rf c , rf1, rf2, rf3, rf4 t hese pads are d c coupled and matched to 50 ohms. blocking capacitors are required if rf line potential is not equal to 0v. 14 vss supply voltage -5 vdc 10%. 15 ct lb see t ruth t able and c ontrol voltage t able. 16 ct la see t ruth t able and c ontrol voltage t able. hmc641lc4 v00.0609 gaas mmic sp4t non-reflective switch, dc - 20 ghz
11 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 - spd t - sm t 11 - 6 hmc641lc4 v00.0609 gaas mmic sp4t non-reflective switch, dc - 20 ghz evaluation pcb list of materials for evaluation pcb 126511 [1] i tem description j1 - j5 p c b mount sma c onnector c 1 1000 pf c apacitor, 0402 pkg. u1 h m c 641l c 4 switch p c b [2] 126508 e valuation p c b [1] reference this number when ordering complete evaluation p c b [2] c ircuit board material: rogers 4350 or arlon fr4 t he circuit board used in the application should use rf circuit design techniques. signal 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. t he evaluation board should be mounted to an appropriate heat sink. t he evaluation circuit board shown is available from h ittite upon request.
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