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switches - multi-throw - smt 1 HMC245AQS16 / 245aqs16e v0 0.1213 gaas mmic sp3t non-reflective switch, dc - 3.5 ghz general description features functional diagram the HMC245AQS16 & HMC245AQS16e are low cost non-refective sp3t switches in 16-lead qsop sur - face mount packages. covering dc to 3.5 ghz, the switch offers 30 to 40 db isolation and a low inser - tion loss of 0.7 db. a 2:3 ttl/cmos compatible decoder is integrated on the switch requiring only 2 control lines and a single +5v bias to select each path, replacing 6 control lines normally required by gaas sp3t switches. low insertion loss: 0.7 db @ 2.0 ghz non-refective design integrated 2:3 ttl decoder all off isolation state single positive supply: vdd = +5v 16 lead qsop smt package electrical specifcations, t a = +25 c, for ttl control and vdd= +5v in a 50 ohm system typical applications the HMC245AQS16 / 245aqs16e is ideal for: ? basestation infrastructure ? catv / dbs ? wireless local loop ? test equipment parameter frequency min. ty p. max. units insertion loss dc - 2.0 ghz dc - 3.0 ghz dc - 3.5 ghz 0.7 0.8 1. 1 1. 0 1. 3 1. 5 db db db isolation dc - 1.0 ghz dc - 2.0 ghz dc - 2.5 ghz dc - 3.5 ghz 40 35 31 26 46 42 40 32 db db db db return loss on state dc - 1.5 ghz dc - 3.5 ghz 23 17 db db return loss rf1 - 3 off state 0.3 - 3.5 ghz 0.5 - 3.5 ghz 12 15 db db input power for 1 db compression 0.3 - 2.5 ghz 0.3 - 3.5 ghz 26 25 29 28 dbm input third order intercept (two-tone input power = +10 dbm each tone) 0.3 - 2.5 ghz 0.3 - 3.5 ghz 44 40 48 44 dbm switching characteristics trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) 0.3 - 3.5 ghz 40 150 ns ns 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 - multi-throw - smt 2 HMC245AQS16 / 245aqs16e v0 0.1213 gaas mmic sp3t non-reflective switch, dc - 3.5 ghz input third order intercept point return loss off state isolation insertion loss vs. temperature isolation 0.1 and 1 db input compression point -3 -2.5 -2 -1.5 -1 -0.5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 +25c +85c -40c insertion loss (db) frequency (ghz) -70 -60 -50 -40 -30 -20 -10 0 0 0.5 1 1.5 2 2.5 3 3.5 4 rf1 rf2 rf3 isolation (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 rfc rf1-3 "on" rf1-3 "off" return loss (db) frequency (ghz) -70 -60 -50 -40 -30 -20 -10 0 0 0.5 1 1.5 2 2.5 3 3.5 4 rf1 rf2 rf3 isolation (db) frequency (ghz) 40 42 44 46 48 50 52 54 0 0.5 1 1.5 2 2.5 3 3.5 4 input ip3 (dbm) frequency (ghz) 20 22 24 26 28 30 32 0 0.5 1 1.5 2 2.5 3 3.5 4 0.1 db compression point 1 db compression point input compression point (dbm) frequency (ghz) 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 - multi-throw - smt 3 HMC245AQS16 / 245aqs16e v0 0.1213 gaas mmic sp3t non-reflective switch, dc - 3.5 ghz truth table ttl/cmos control voltages control input signal path state a b rf com to: low low rf1 high low rf2 low high rf3 high high all off bias voltage & current vdd range= +5 vdc 10% vdd (vdc) idd (typ) (ma) idd (max) (ma) +5 2.2 6.0 state bias condition low 0 to +0.8 vdc @ 0.2 a typ. high +2.0 to +5 vdc @ 35 a typ. 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 - multi-throw - smt 4 HMC245AQS16 / 245aqs16e v0 0.1213 gaas mmic sp3t non-reflective switch, dc - 3.5 ghz outline drawing absolute maximum ratings bias voltage range (port vdd) +7.0 vd c control voltage range (a & b) -0.5v to vdd +1 vdc channel temperature 150 c thermal resistance insertion loss path terminated path 150 c/w 297 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c maximum input power vdd = +5 vdc insertion loss path terminated path +28.5 dbm +23.4 dbm esd sensitivity (hbm) class 1a electrostatic sensitive device observe handling precautions notes: 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters]. 3. dimension does not include moldflash of 0.15mm per side. 4. dimension does not include moldflash of 0.25mm per side. 5. all ground leads must be soldered to pcb rf ground. part number package body material leadframe plating msl rating package marking [3] HMC245AQS16 low stress injection molded plastic silica and silicon impregnated sn/pb solder msl1 [1] hmc245a xxxx HMC245AQS16e rohs-compliant low stress injection molded plastic silica and silicon impregnated 100% matte tin msl1 [2] hmc245a 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, 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 - multi-throw - smt 5 HMC245AQS16 / 245aqs16e v0 0.1213 gaas mmic sp3t non-reflective switch, dc - 3.5 ghz pin descriptions pin number function description interface schematic 1, 6, 12, 14 rf3, rf2, rf1, rfc this pin is dc coupled and matched to 50 ohms. blocking capacitors are required. 2 - 5, 7, 11, 13, 15, 16 gnd this pin must be connected to pcb rf ground to maximize isolation. 8 vdd supply voltage +5 vdc 10% 9 b see truth table and control voltage table. 10 a see truth table and control voltage table. 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 - multi-throw - smt 6 HMC245AQS16 / 245aqs16e v0 0.1213 gaas mmic sp3t non-reflective switch, dc - 3.5 ghz evaluation pcb the circuit board used in the application should be generated with proper rf circuit design tech - niques. signal lines at the rf port should have 50 ohm impedance and the package ground leads should be connected directly to the ground plane similar to that shown above. the evaluation circuit board shown above is available from hittite micro - wave corporation upon request. item description j1 - j4 pcb mount sma rf connector j5 - j8 dc pin c1 - c4 100 pf capacitor, 0402 pkg. c5 10k pf capacitor, 0603 pkg. u1 HMC245AQS16 / 245aqs16e sp3t switch pcb [2] 106536 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 list of materials for evaluation pcb ev1HMC245AQS16 [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
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