switches - sp4t - smt 1 HMC1084LC4 v00.0313 gaas mmic sp4t reflective switch 23 - 30 ghz general description features functional diagram the HMC1084LC4 is a broadband refective gaas mesfet sp4t switch in a compact 4x4 mm ceramic package. covering 23 - 30 ghz, this switch offers high isolation and low insertion loss. the HMC1084LC4 is controlled with 0/-3v logic, exhibits fast switching speed and consumes much less dc current than pin diode based solutions. with its compact form factor, the HMC1084LC4 is ideal for microwave radio as well as satcom and sensor applications. the HMC1084LC4 is housed in a leadless 4x4 mm smt package which is compatible with surface mount man - ufacturing techniques. broadband performance: 23 - 30 ghz high isolation: 26 db insertion loss: 2.8 db high power handling: >27 dbm 24 lead 4x4mm smt package: 16mm2 electrical specifcations, t a = +25 c, with 0/-3v control, 50 ohm system typical applications the HMC1084LC4 is ideal for: ? telecom infrastructure ? microwave radio & vsat ? military & space hybrids ? test instrumentation ? satcom & sensors parameter frequency min. typ. max. units insertion loss (rfc to rf1) (rfc to rf2) (rfc to rf3) (rfc to rf4) 23 - 26 ghz 3.2 3.6 3.6 3.8 3.9 4.3 4.3 4.5 db db db db insertion loss (rfc to rf1) (rfc to rf2) (rfc to rf3) (rfc to rf4) 26 - 30 ghz 2.8 2.8 2.8 3.3 3.5 3.5 3.4 4.0 db db db db isolation (rfc to rf1, rf4) 23 - 30 ghz 21 26 db isolation (rfc to rf2, rf3) 23 - 30 ghz 21 26 return loss [1] on state 23 - 30 ghz 11 db return loss [2] off state 23 - 30 ghz 6 db input third order intercept (two-tone input power= 10 dbm each tone) 23 - 25 ghz 25 - 30 ghz 47 43 dbm switching characteristics trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) 23 - 30 ghz 23- 30 ghz 15 53 ns ns [1] return loss with switch path in insertion loss state. [2] return loss with switch path in isolation state. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
switches - sp4t - smt 2 HMC1084LC4 v00.0313 gaas mmic sp4t reflective switch 23 - 30 ghz return loss on state [1] insertion loss rfin to rf1 vs. temperature insertion loss rfin to rf4 vs. temperature [1] return loss with switch path in insertion loss state. insertion loss rfin to rf2 vs. temperature insertion loss rfin to rf3 vs. temperature -6 -5 -4 -3 -2 -1 0 23 24 25 26 27 28 29 30 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -6 -5 -4 -3 -2 -1 0 23 24 25 26 27 28 29 30 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -6 -5 -4 -3 -2 -1 0 23 24 25 26 27 28 29 30 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -6 -5 -4 -3 -2 -1 0 23 24 25 26 27 28 29 30 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -60 -50 -40 -30 -20 -10 0 23 24 25 26 27 28 29 30 rf1 rf2 rf3 rf4 isolation (db) frequency (ghz) -40 -35 -30 -25 -20 -15 -10 -5 0 23 24 25 26 27 28 29 30 rfc rf1 rf2 rf3 rf4 return loss (db) frequency (ghz) isolation, worst case for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
switches - sp4t - smt 3 HMC1084LC4 v00.0313 gaas mmic sp4t reflective switch 23 - 30 ghz return loss off state [1] -40 -35 -30 -25 -20 -15 -10 -5 0 23 24 25 26 27 28 29 30 rfc rf1 rf2 rf3 rf4 return loss (db) frequency (ghz) insertion loss vs. input power -6 -5 -4 -3 -2 -1 0 0 3 6 9 12 15 18 21 24 27 25ghz 26ghz 27ghz 28ghz 29ghz 30ghz insertion loss (db) input power (dbm) input ip3 vs. temperature @ 10dbm/tone 20 25 30 35 40 45 50 55 23 24 25 26 27 28 29 30 +25 c +85 c -40 c ip3 (dbm) frequency (ghz) [1] return loss with switch path in isolation state. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
switches - sp4t - smt 4 HMC1084LC4 v00.0313 gaas mmic sp4t reflective switch 23 - 30 ghz absolute maximum ratings control voltage range (vc1, vc2, vc3, vc4) +5v maximum input power 30 dbm channel temperature 175 c thermal resistance channel to die bottom (insertion loss path) 24 c/w storage temperature -65 to +150 c operating temperature -55 to +85 c esd sensitivity (hbm) class1a bias voltage & current vc (v) ic (a) vc1 = -3v ic1 < 10 a vc2 = -3v ic2 < 10 a vc3 = -3v ic3 < 10 a vc4 = -3v ic4 < 10 a electrostatic sensitive device observe handling precautions truth table vc1 vc2 vc3 vc4 rfin to: -3v 0v 0v 0v rf1 0v -3v 0v 0v rf2 0v 0v -3v 0v rf3 0v 0v 0v -3v rf4 control voltages state bias condition low +1v to -0.25v high -2.75v to -5v, < 10 a outline drawing notes: 1. package body material: alumina 2. lead and ground paddle plating: 30-80 microinches gold over 50 microinches minimum nickel. 3. dimensions are in inches [millimeters]. 4. lead spacing tolerance is non-cumulative 5. package warp shall not exceed 0.05mm datum -c- 6. all ground leads and ground paddle must be soldered to pcb rf ground. 7. classified as moisture sensitivity level (msl) 1. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
switches - sp4t - smt 5 HMC1084LC4 v00.0313 gaas mmic sp4t reflective switch 23 - 30 ghz pin descriptions pin number function description interface schematic 1, 2, 6, 8, 23 n/c these pins are not connected internally; however, all data shown herein was measured with these pins connected to rf/dc ground externally 3, 5, 9, 11, 13, 15, 16, 18, 20, 22 gnd these pins and the exposed ground paddle must be connected to rf/dc ground. 4, 10, 14, 17, 21 rfin, rf1, rf2, rf3, rf4 these pins are dc coupled (to gnd) and matched to 50 ohms 7, 12, 19, 24 vc1, vc2, vc3, vc4 see truth table evaluation pcb list of materials for evaluation pcb eval01-HMC1084LC4 [1] item description j1 - j5 pcb mount k connector c6 - c9 1000pf capacitor, 0402 pkg. u1 HMC1084LC4, switch pcb [2] 600-00698-00, evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 or arlon fr4 the 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 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 board should be mounted to an appropriate heat sink. the evaluation circuit board shown is available from hittite upon request. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
switches - sp4t - smt 6 HMC1084LC4 v00.0313 gaas mmic sp4t reflective switch 23 - 30 ghz notes: for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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
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