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 0 - 1 HMC239AS8 / 239as8e v00.0311 gaas mmic spdt switch dc - 2.5 ghz electrical specifcations, t a = +25 c, vctl = 0 / -5v, 50 ohm system parameter frequency min. t yp. max. units i nsertion loss d c - 0.1 g h z d c - 0.5 g h z d c - 1.0 g h z d c - 2.0 g h z d c - 2.5 g h z 0.4 0.4 0.5 0.6 0.7 0.6 0.6 0.7 0.8 1.0 db db db db db i solation d c - 0.5 g h z d c - 1.0 g h z d c - 2.0 g h z d c - 2.5 g h z 33 26 18 14 36 29 21 17 db db db db return loss d c - 1.0 g h z d c - 2.0 g h z d c - 2.5 g h z 18 17 15 21 21 20 db db db i nput power for 1 db c ompression 0 / -5v c ontrol 0.5 - 1.0 g h z 0.5 - 2.5 g h z 25 23 29 27 dbm dbm i nput t hird order i ntercept ( t wo- t one i nput power = +7 dbm e ach t one) 0 / -5v c ontrol 0.5 - 1.0 g h z 0.5 - 2.5 g h z 45 44 50 49 49 dbm dbm switching c haracteristics d c - 2.5 g h z tr i s e , tfall (10 / 90% rf) ton, toff (50% ct l to 10 / 90% rf) 2 10 10 ns ns functional diagram features low i nsertion loss: 0.4 db h igh i solation: 35 db fast switching speed: 2 ns h igh i nput i p3: +50 dbm typical applications t he h m c 239as8 / h m c 239as8 e is ideal for: ? mmds & wirelesslan ? basestation infrastructure ? portable wireless general description the HMC239AS8 & HMC239AS8e are low-cost gaas mm ic spd t switches in 8-lead so ic packages. t he switch can control signals from d c to 2.5 g h z. i t is especially suited for low or medium power applica - tions which require extremely fast switching with minimal insertion loss. t he two control voltages require a minimal amount of d c current which is opti - mal for battery powered radio systems. rf1 and rf2 are refective shorts when off.
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 0 - 2 HMC239AS8 / 239as8e v00.0311 gaas mmic spdt switch dc - 2.5 ghz return loss insertion loss isolation input 0.1 and 1.0 db compression vs. control voltage input third order distortion vs. control voltage 20 25 30 35 -9 -8 -7 -6 -5 -4 compression (dbm) control voltage (vdc) p0.1db at 900 mhz p0.1db at 1900 mhz p1db at 1900 mhz p1db at 900 mhz 45 50 55 -9 -8 -7 -6 -5 -4 ip3 (dbm) control voltage (vdc) 900 mhz 1900 mhz -3 -2.5 -2 -1.5 -1 -0.5 0 0 1 2 3 insertion loss (db) frequency (ghz) -40 -30 -20 -10 0 0 1 2 3 return loss (db) frequency (ghz) -60 -50 -40 -30 -20 -10 0 0 1 2 3 isolation (db) frequency (ghz) rf1 rf2 truth table * c ontrol i nput voltage t olerances are 0.2 vdc. c ontrol i nput* c ontrol c urrent signal path state a (vdc) b (vdc) i a (a) ib (a) rf to rf1 rf to rf2 -5 0 -5 5 on off 0 -5 5 -5 off on -6 0 -12 12 on off 0 -6 12 -12 off on -7 0 -20 20 on off 0 -7 20 -20 off om -8 0 -32 32 on off 0 -8 32 -32 off on
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 0 - 3 HMC239AS8 / 239as8e v00.0311 gaas mmic spdt switch dc - 2.5 ghz compression vs. bias voltage c aution: do not operate in 1 db compression at power levels above +30 dbm and do not hot switch power levels greater than +20 dbm (vctl= -5 vdc). distortion vs. bias voltage c arrier at 900 m h z c arrier at 1900 m h z c ontrol i nput i nput power for 0.1 db c ompression i nput power for 1.0 db c ompression i nput power for 0.1 db c ompression i nput power for 1.0 db c ompression (vdc) (dbm) (dbm) (dbm) (dbm) -5 28 30 27 29 -6 29 31 28 30 -8 31 33 30 32 c ontrol i nput t hird order i ntercept (dbm) +7 dbm e ach t one (vdc) 900 m h z 1900 m h z -5 50 49 -8 50 49 absolute maximum ratings outline drawing max. i nput power (v ct l = 0 / -8v) 0.05 g h z 0.5 - 2 g h z +27 dbm +34 dbm control voltage range (a & b) +2 to -12 vdc storage t emperature -65 to +150 c operating t emperature -40 to +85 c e l ect ros t a tic s e ns iti v e de v ice obs e rv e h andl i ng pr ec au ti ons no tes: 1. l e adfram e ma te r i al: c opp e r alloy 2. d i m e ns i ons ar e i n i n che s [m i ll i m ete rs] 3. d i m e ns i on do e s no t i n c lud e moldflas h of 0.15 mm p e r s i d e . 4. d i m e ns i on do e s no t i n c lud e moldflas h of 0.25 mm p e r s i d e . 5. all ground l e ads mus t b e sold e r e d to p c b rf ground. part number package body material lead finish msl rating package marking [3] h m c 239as8 low stress i njection molded plastic sn / pb solder msl1 [1] h m c 239a xxxx h m c 239as8 e ro h s-compliant low stress i njection molded plastic 100% matte sn msl1 [2] h m c 239a xxxx [1] max peak refow temperature of 235 c [2] max peak refow temperature of 260 c [3] 4-digit lot number xxxx package information
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 0 - 4 HMC239AS8 / 239as8e v00.0311 gaas mmic spdt switch dc - 2.5 ghz simple driver using inexpensive standard logic ic s provides fast switching using minimum d c current. typical application circuit evaluation circuit board the circuit board used in the application should be generated with proper rf circuit design techniques. signal lines at the rf port should have 50 ohm impedance and the package ground leads and package bottom should be connected directly to the ground plane similar to that shown above. the eval - uation circuit board shown above is available from h ittite microwave c orporation upon request. i tem description j1 - j3 p c b mount sma rf c onnector j4 - j6 d c pin c 1 - c 3 330 pf capacitor, 0402 pkg. u1 h m c 239as8 / h m c 239as8 e spd t switch p c b [2] 101780 e valuation p c b [1] reference this number when ordering complete evaluation pcb [2] c ircuit board material: rogers 4350 list of materials for evaluation pcb 101782 [1]
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