switches - smt 10 10 - 108 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com general description features functional diagram high isolation: 43 db @ 2 ghz low insertion loss: 0.7 db @ 2 ghz single positive supply: vdd = +5v integrated 2:4 ttl decoder 3x3 mm smt package electrical speci cations, t a = +25 c, for ttl control and vdd = +5v in a 50 ohm system typical applications the hmc241lp3 / hmc241LP3E is ideal for: ? base stations & repeaters ? wlan, wimax & wibro ? catv / dbs ? test equipment the hmc241lp3 & hmc241LP3E are general pur- pose non-re ective sp4t switches in low cost lead- less surface mount packages. covering dc - 4 ghz, this switch offers high isolation and has a low insertion loss of 0.7 db at 2 ghz. the switch offers a single positive bias and true ttl/cmos compatibility. a 2:4 decoder is integrated on the switch requiring only 2 control lines and a positive bias to select each path, replacing 4 to 8 control lines normally required by gaas sp4t switches. parameter frequency min. typ. max. units insertion loss dc - 1.0 ghz dc - 2.0 ghz dc - 2.5 ghz dc - 4.0 ghz 0.6 0.7 0.9 1.2 0.9 1.0 1.2 1.5 db db db db isolation dc - 1.0 ghz dc - 2.0 ghz dc - 2.5 ghz dc - 4.0 ghz 40 38 35 25 45 43 40 30 db db db db return loss on state dc - 2.5 ghz dc - 4.0 ghz 18 12 db db return loss rf1-4 off state 0.3 - 4.0 ghz 12 db input power for 1db compression 0.3 - 4.0 ghz 26 dbm input third order intercept (two-tone input power = +7 dbm each tone) 0.3 - 4.0 ghz 45 dbm switching characteristics 0.3 - 4.0 ghz trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) 40 100 ns ns gaas mmic sp4t non-reflective switch, dc - 4 ghz v01.0905 hmc241lp3 / 241LP3E
switches - smt 10 10 - 109 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com return loss insertion loss isolation bias voltage & current ttl/cmos control voltages vdd range = +5.0 vdc 10% vdd (vdc) idd (typ.) (ma) idd (max.) (ma) +5.0 2.7 5.0 state bias condition low 0 to +0.8 vdc @ 5ua typ. high +2.0 to +5.0 vdc @ 70 ua typ. truth table note: dc blocking capacitors are required at ports rfc and rf1, 2, 3, 4. control input signal path state a b rfc to: low low rf1 high low rf2 low high rf3 high high rf4 gaas mmic sp4t non-reflective switch, dc - 4 ghz v01.0905 hmc241lp3 / 241LP3E -5 -4 -3 -2 -1 0 0123456 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -70 -60 -50 -40 -30 -20 -10 0 0123456 rf1 rf2 rf3 rf4 isolation (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0123456 rfc rf1-4 on rf1-4 off return loss (db) frequency (ghz)
switches - smt 10 10 - 110 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com gaas mmic sp4t non-reflective switch, dc - 4 ghz v01.0905 hmc241lp3 / 241LP3E absolute maximum ratings bias voltage range (vdd) +7.0 vdc control voltage range (a & b) -0.5v to vdd +1 vdc channel temperature 150 c thermal resistance (insertion loss path) 200 c/w thermal resistance (terminated path) 240 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c maximum input power vdd = +5 vdc +20 dbm (0.05 - 0.5 ghz) +27 dbm (0.5 - 4.0 ghz) electrostatic sensitive device observe handling precautions part number package body material leadframe plating msl rating package marking [3] hmc241lp3 low stress injection molded plastic sn/pb solder msl1 [1] 241 xxxx hmc241LP3E rohs-compliant low stress injection molded plastic 100% matte tin msl1 [2] 241 xxxx [1] max peak re ow temperature of 235 c [2] max peak re ow temperature of 260 c [3] 4-digit lot number xxxx package information 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters] 3. lead spacing tolerance is non-cumulative 4. pad burr length shall be 0.15mm maximum. pad burr height shall be 0.05mm maximum. 5. package warp shall not exceed 0.05mm. 6. all n/c leads, ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hittite application note for suggested land pattern.
switches - smt 10 10 - 111 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com gaas mmic sp4t non-reflective switch, dc - 4 ghz v01.0905 hmc241lp3 / 241LP3E pin descriptions pin number function description interface schematic 1, 4, 9, 12, 15 rf4, rf3, rf2, rf1, rfc this pin is dc coupled and matched to 50 ohm. blocking capacitors are required. 2, 3, 10, 11, 13 n/c this pin should be connected to pcb rf ground to maximize isolation. 5, 14, 16 gnd package bottom has exposed metal paddle that must also be connected to pcb rf ground. 6 vdd supply voltage +5v 10% 7 b see truth table and control voltage table. 8 a see truth table and control voltage table.
switches - smt 10 10 - 112 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com evaluation pcb the circuit board used in the nal 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 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 hittite microwave corporation upon request. list of materials for evaluation pcb 108333 [1] item description j1 - j7 pcb mount sma rf connector j8 - j11 dc pin c1 - c7 100 pf capacitor, 0402 pkg. c8 10k pf capacitor, 0603 pkg. u1 hmc241lp3 / hmc241LP3E sp4t switch pcb [2] 104708 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 gaas mmic sp4t non-reflective switch, dc - 4 ghz v01.0905 hmc241lp3 / 241LP3E
switches - smt 10 10 - 113 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com notes: gaas mmic sp4t non-reflective switch, dc - 4 ghz v01.0905 hmc241lp3 / 241LP3E
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