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switches - spdt t/r - smt 1 HMC544A / 544ae v00.1212 gaas mmic t/r switch, dc - 4 ghz general description features functional diagram very low insertion loss: 0.2 db @ 1.0 ghz high input p1db: +39 dbm high input ip3: +60 dbm positive control: 0/+3v to 0/+5v compact sot26 smt package electrical specifcations, t a = +25 c, vctl = 0/+3 vdc, 50 ohm system typical applications the HMC544A / 544ae is ideal for: ? cellular/pcs/3g infrastructure ? basestations & repeaters ? wlan, wimax and wibro ? microwave and fixed wireless radios the HMC544A & HMC544Ae are low cost spdt swit- ches in 6-lead sot26 packages for use in transmit- receive applications which require very low insertion loss at medium power levels. these devices can control signals from dc to 4.0 ghz and are especially suited for 450, 900, 1900, 2300, and 2700 mhz applications with <0.5 db insertion loss. this gaas phemt design provides exceptional linearity performance of +36 dbm 1db compression point and +60 dbm third order intercept at +3 volt bias. rf1 and rf2 are refective opens when off. on-chip circuitry allows positive control operation at very low dc current. parameter frequency min. typ. max. units insertion loss dc - 1.0 ghz dc - 2.5 ghz dc - 3.0 ghz dc - 4 ghz 0.25 0.4 0.5 0.7 0.5 0.7 0.8 1.0 db db db db isolation dc - 1.0 ghz dc - 2.5 ghz dc - 3.0 ghz dc - 4 ghz 18 11 9 8 23 16 14 12 db db db db return loss dc - 4 ghz 28 db input power for 1 db compression 0/+5v control 0/+3v control 0.3 - 4.0 ghz 36 33 39 35 dbm dbm input third order intercept (two-tone input power = +13 dbm each tone) 0.3 - 4.0 ghz 60 dbm switching characteristics dc - 4 ghz trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) 30 50 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 - spdt t/r - smt 2 HMC544A / 544ae v00.1212 gaas mmic t/r switch, dc - 4 ghz insertion loss return loss input ip3 vs. temperature, vctl = 0/+3v input ip3 vs. vctl isolation between ports rfc & rf1 / rf2 isolation between ports rf1 & rf2 -50 -40 -30 -20 -10 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 rfc rf1, rf2 return loss (db) frequency (ghz) -40 -35 -30 -25 -20 -15 -10 -5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 rf1 rf2 isolation (db) frequency (ghz) -40 -35 -30 -25 -20 -15 -10 -5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 rf1 on rf2 on isolation (db) frequency (ghz) 40 45 50 55 60 65 70 0 0.5 1 1.5 2 2.5 3 3.5 4 +3v +5v input ip3 (dbm) frequency (ghz) 40 45 50 55 60 65 70 0 0.5 1 1.5 2 2.5 3 3.5 4 +25c +85c -40c input ip3 (dbm) frequency (ghz) -2 -1.5 -1 -0.5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 +25c +85c -40c insertion loss (db) 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 - spdt t/r - smt 3 HMC544A / 544ae v00.1212 gaas mmic t/r switch, dc - 4 ghz input p1db vs. temperature, vctl = 0/+3v compression vs. vctl control voltages state bias condition low 0 to 0.2 vdc @ 1 a typical high +3 vdc @ 0.5 a typical to +5 vdc @ 1 a typical (0.2 vdc) control input signal path a b rfc to rf1 rfc to rf2 low high on off high low off on truth table 20 25 30 35 40 45 0 0.5 1 1.5 2 2.5 3 3.5 4 +25c +85c -40c input p1db (dbm) frequency (ghz) 20 25 30 35 40 45 0 0.5 1 1.5 2 2.5 3 3.5 4 p0.1db +3v p0.1db +5v p1db +3v p1db +5v input p0.1db & p1db (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 - spdt t/r - smt 4 HMC544A / 544ae v00.1212 gaas mmic t/r switch, dc - 4 ghz outline drawing electrostatic sensitive device observe handling precautions part number package body material lead finish msl rating package marking [3] HMC544A low stress injection molded plastic sn/pb solder msl1 [1] 544a xxxx HMC544Ae rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] 544ae 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 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. absolute maximum ratings rf input power (vctl = 0/+5v) +39 dbm control voltage range (a & b) -0.2 to +12 vdc hot switch power level (vctl = 0/+5v) +39 dbm channel temperature 150 c continuous pdiss (t= 85 c) (derate 8.85 mw/ c above 85c) 0.574 w thermal resistance 113.3 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c esd sensitivity (hbm) class 1b dc blocks are required at ports rfc, rf1 and rf2. 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 - spdt t/r - smt 5 HMC544A / 544ae v00.1212 gaas mmic t/r switch, dc - 4 ghz typical application circuit pin descriptions notes: 1. set logic gate vdd = +3v to +5v and use hct series logic to provide a ttl driver interface. 2. control inputs a/b can be driven directly with cmos logic (hc) with vdd of +3v to +5v applied to the cmos logic gates. 3. dc blocking capacitors are required for each rf port as shown. capacitor value determines lowest frequency of operation. pin number function description interface schematic 1, 3, 5 rf2, rf1, rfc these pins are dc coupled and matched to 50 ohms. blocking capacitors are required. 2 gnd this pin must be connected to rf/dc ground. 4 b see truth and control voltage tables. 6 a see truth and control voltage tables. 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 - spdt t/r - smt 6 HMC544A / 544ae v00.1212 gaas mmic t/r switch, dc - 4 ghz evaluation circuit board 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 evalua - tion circuit board shown above is available from hittite microwave corporation upon request. list of materials for evaluation pcb eval01-HMC544A [1] item description j1 - j3 pcb mount sma rf connector j4 - j6 dc pin c1 - c2 330 pf capacitor, 0402 pkg. r1 - r2 1 kohm resistor, 0402 pkg. u1 HMC544A / 544ae spdt switch pcb [2] 600-00382-00-1 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 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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