12 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 switches - matrix - smt 12 - 44 hmc276lp4 / hmc276lp4e gaas mmic 4x2 switch matrix, 0.2 - 3.0 ghz v01.0409 general description features functional diagram the hmc276lp4 & hmc276lp4e are low-cost 4x2 switch matrices in leadless qfn 4x4 mm surface mount packages for use in rf multiplexing applicati- ons from 200 to 3000 mhz. a positive voltage con- trolled 4 bit decoder is integrated on the switch. the switches may be used in either 75 ohm or 50 ohm systems. both switch outputs (op1 & op2) can independently select any of the four inputs (hh, hl, vh, vl) or simultaneously select the same inputs. note that the switch is bi-directional and input/output functionality may be interchanged. the recommended loading impedance is 62.5 ohms on each input (hh, hl, vh, vl) and 75 ohms on each output (op1 & op2). all data presented was measured in a 50 ohm (input/ output) system. 4x2 switch matrix using one ic 4x4 switch matrix using two ics integrated 4 bit decoder single positive supply: vdd = +5v qfn leadless smt package, 16 mm 2 electrical specifi cations, t a = +25 c, vdd= +5v, 50 ohm system typical applications 4x2 switch matrix for 0.2 - 3.0 ghz applications: ? cable modem ? catv ? cellular systems ? dbs parameter frequency min. typ. max. units insertion loss 200 mhz 700 - 3000 mhz 6.0 6.0 7.0 db db isolation 200 mhz 700 - 950 mhz 950 - 1450 mhz 1450 - 2150 mhz 2150 - 3000 mhz 40 33 31 55 44 37 35 db db db db db return loss (input; vl, hl, vh, hh) 200 mhz 700 - 3000 mhz 14 25 18 db db return loss (output; op1, op2) 200 mhz 700 - 3000 mhz 16 20 20 db db output ip3 700 - 3000 mhz 31 37 dbm input power for 1 db compression 700 - 3000 mhz 22 26 dbm switching speed trise / tfall (10/90% rf) ton / toff (50% ctl to 10/90% rf) 700 - 3000 mhz 140 350 ns ns see op1/2 isolation tables
12 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 switches - matrix - smt 12 - 45 return loss typical insertion loss vs. temperature insertion loss on op1 insertion loss on op2 op1 isolation 950 - 1450 mhz op2 isolation 950 - 1450 mhz input to output state interfering signal state min. (db) typ. (db) hl to op1 vl to op1 all other states 9 all other states 38 40 41 >43 vl to op1 all states all states 43 >46 vh to op1 all states all states 43 >46 hh to op1 hl to op1 all other states 15 all other states 38 41 41 >44 input to output state interfering signal state min. (db) typ. (db) hl to op2 all states all states 42 >45 vh to op2 vl to op2 all other states 2 all other states 38 41 41 >44 vl to op2 hl to op2 all other states 9 all other states 38 40 41 >43 hh to op2 all states all states 45 >48 -10 -8 -6 -4 -2 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 vl to op1 (state 1) vl to op1 (state 2) vh to op1 (state 5) vh to op1 (state 6) hl to op1 (state 11) hl to op1 (state 12) hh to op1 (state 15) hh to op1 (state 16) insertion loss (db) frequency (ghz) -10 -8 -6 -4 -2 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 vl to op2 (state 1) vl to op2 (state 5) vh to op2 (state 2) vh to op2 (state 6) hl to op2 (state 11) hl to op2 (state 15) hh to op2 (state 12) hh to op2 (state 16) insertion loss (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 input rl, input selected input rl, input deselected output rl return loss (db) frequency (ghz) -10 -8 -6 -4 -2 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 +25 c +85 c -40 c insertion loss (db) frequency (ghz) hmc276lp4 / 276lp4e v01.0409 gaas mmic 4x2 switch matrix, 0.2 - 3.0 ghz
12 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 switches - matrix - smt 12 - 46 * isolation is recorded above insertion loss & measured at output of switch. isolation when vl is connected to op1* isolation when hh is connected to op1* isolation when hl is connected to op1* isolation when vh is connected to op1* isolation when hl is connected to op2* isolation when vl is connected to op2* -60 -50 -40 -30 -20 -10 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 hl to op1 (state 3) vh to op1 (state 2) hh to op1 (state 1) hh to op1 (state 4) vh to op1 (state 1) hl to op1 (state 1) isolation (db) frequency (ghz) -60 -50 -40 -30 -20 -10 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 hh to op2 (state 11) hh to op2 (state 15) vh to op2 (state 7) vh to op2 (state 11) vl to op2 (state 11) vl to op2 (state 3) isolation (db) frequency (ghz) -60 -50 -40 -30 -20 -10 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 vh to op2 (state 1) vh to op2 (state 5) hh to op2 (state 1) hh to op2 (state 13) hl to op2 (state 1) hl to op2 (state 9) isolation (db) frequency (ghz) -60 -50 -40 -30 -20 -10 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 hh to op1 (state 8) hl to op1 (state 6) hl to op1 (state 7) vl to op1 (state 6) vl to op1 (state 5) hh to op1 (state 6) isolation (db) frequency (ghz) -60 -50 -40 -30 -20 -10 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 hh to op1 (state 11) hh to op1 (state 12) vh to op1 (state 10) vl to op1 (state 11) vl to op1 (state 9) vh to op1 (state 11) isolation (db) frequency (ghz) -60 -50 -40 -30 -20 -10 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 vl to op1 (state 16) vh to op1 (state 16) vl to op1 (state 13) vh to op1 (state 14) hl to op1 (state 16) hl to op1 (state 15) isolation (db) frequency (ghz) hmc276lp4 / 276lp4e v01.0409 gaas mmic 4x2 switch matrix, 0.2 - 3.0 ghz
12 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 switches - matrix - smt 12 - 47 isolation when vh is connected to op2* isolation when hh is connected to op2* output third order intercept point * isolation is recorded above insertion loss & measured at output of switch. path state f1 pout (dbm) pout intermod (dbm) imr (dbc) output ip3 (dbm) vl to op1 1 -12 -106 94 35 vl to op2 1 -12 -114 102 39 hl to op1 11 -12 -108 96 36 hl to op2 11 -12 -110 98 37 vh to op1 6 -12 -115 103 39.5 vh to op2 6 -12 -115 103 39.5 hh to op1 16 -12 -116 104 40 hh to op2 16 -12 -114 102 39 test conditions temperature = +25 c f1 = 2150 (mhz): -12 dbm at the output f2 = 2151 (mhz): -12 dbm at the output vdd = +5v vctl low = 0v, high = +5v -60 -50 -40 -30 -20 -10 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 hl to op2 (state 12) hl to op2 (state 16) vh to op2 (state 8) vh to op2 (state 16) vl to op2 (state 16) vl to op2 (state 4) isolation (db) frequency (ghz) -60 -50 -40 -30 -20 -10 0 0.2 0.6 1 1.4 1.8 2.2 2.6 3 3.4 3.8 hh to op2 (state 14) hl to op2 (state 6) vl to op2 (state 2) vl to op2 (state 6) hh to op2 (state 6) hl to op2 (state 10) isolation (db) frequency (ghz) hmc276lp4 / 276lp4e v01.0409 gaas mmic 4x2 switch matrix, 0.2 - 3.0 ghz
12 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 switches - matrix - smt 12 - 48 dc blocking and decoupling capacitors the hmc276lp4 requires dc blocks on all 6 rf ports (op1, op2, vl, hl, vh, hh). characterization on the hmc276lp4 was done using 0402 size 330pf capacitors on all rf ports. a 1,000 pf dc decoupling capacitor (0603 size) is recommended for the vdd pin. truth table control input output to input state rf path state state hv 1 tone 1 hv 2 tone 2 op1 op2 vl to op1 hl to op1 vh to op1 hh to op1 vl to op2 hl to op2 vh to op2 hh to op2 1 0 0 0 0 vl vl loss isol isol isol loss isol isol isol 2 0 0 0 1 vl vh loss isol isol isol isol isol loss isol 3 0 0 1 0 vl hl loss isol isol isol isol loss isol isol 4 0 0 1 1 vl hh loss isol isol isol isol isol isol loss 5 0 1 0 0 vh vl isol isol loss isol loss isol isol isol 6 0 1 0 1 vh vh isol isol loss isol isol isol loss isol 7 0 1 1 0 vh hl isol isol loss isol isol loss isol isol 8 0 1 1 1 vh hh isol isol loss isol isol isol isol loss 9 1 0 0 0 hl vl isol loss isol isol loss isol isol isol 10 1 0 0 1 hl vh isol loss isol isol isol isol loss isol 11 1 0 1 0 hl hl isol loss isol isol isol loss isol isol 12 1 0 1 1 hl hh isol loss isol isol isol isol isol loss 13 1 1 0 0 hh vl isol isol isol loss loss isol isol isol 14 1 1 0 1 hh vh isol isol isol loss isol isol loss isol 15 1 1 1 0 hh hl isol isol isol loss isol loss isol isol 16 1 1 1 1 hh hh isol isol isol loss isol isol isol loss control voltages hv1, tone1, hv2, tone2 bias voltage vdd range = +5.0 vdc 10 % vdd (vdc) idd (typ.) (ma) idd (max.) (ma) +5.0 1 1.5 state bias condition low (0) 0 to 0.8 vdc @ 5 a typical high (1) +2.0 to +5.0 vdc @ 25 a typical hmc276lp4 / 276lp4e v01.0409 gaas mmic 4x2 switch matrix, 0.2 - 3.0 ghz
12 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 switches - matrix - smt 12 - 49 absolute maximum ratings outline drawing bias voltage range (vdd) +8.0 vdc control voltage range (all logic lines) vdd +0.5 to -0.2v vdc channel temperature 150 c thermal resistance 325 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c maximum input power (each input) +23 dbm (200 - 2150 mhz) notes: 1. lead and ground paddle material: copper alloy 2. dimensions are in inches [millimeters]. 3. lead spacing tolerance is non-cumulative. 4. pad burr length shall be 0.15mm max. pad burr height shall be 0.05mm max. 5. package warp shall not exceed 0.05mm. 6. all nc leads, ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hittite application note for suggested pcb land pattern. electrostatic sensitive device observe handling precautions part number package body material lead finish msl rating package marking [3] hmc276lp4 low stress injection molded plastic sn/pb solder msl1 [1] h276 xxxx hmc276lp4e rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] h276 xxxx [1] max peak refl ow temperature of 235 c [2] max peak refl ow temperature of 260 c [3] 4-digit lot number xxxx package information hmc276lp4 / 276lp4e v01.0409 gaas mmic 4x2 switch matrix, 0.2 - 3.0 ghz
12 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 switches - matrix - smt 12 - 50 the hmc276lp4 switch can operate as a 4x4 switch by connecting the 4 inputs of two switches directly together. the vl, vh, hl, and hh inputs of the fi rst switch should be connected to the second switch, as illustrated. mirror image switch performance can be realized by invert- ing the hv1 & hv2 logic control signals of one of the hmc276lp4 switches. the input loading impedance of two switches in parallel should be 31.25 ohms. the output loading impedance on each output should be 75 ohms. the interconnect rf line between the switchs inputs should be an rf trace with a characteristic impedance of 62.5 ohms. this will allow the switch to remain matched in all possible switch states. the hmc276lp4 does not provide output to output (op1 to op2) isolation. for this reason, it is recommended that external amplifi ers should be used at each output. the amplifi ers reverse isolation will provide output to output isolation, if this is necessary. each hmc276lp4 requires dc blocking capacitors on all rf input and output ports. switch application circuit for 4x4 switch matrix hmc276lp4 / 276lp4e v01.0409 gaas mmic 4x2 switch matrix, 0.2 - 3.0 ghz
12 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 switches - matrix - smt 12 - 51 evaluation pcb the circuit board used in the fi nal 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 exposed paddle should be connected directly to the ground plane similar to that shown above. a generous number of ground vias should be used to interconnect top/bottom ground planes. the evaluation circuit board shown above is available from hittite microwave corporation upon request. list of materials for evaluation pcb 104130 [1] multi pin dc interface (j1) item description j2 - j9 pcb mount sma rf connector j1 dc connector c1 - c8 330 pf capacitor, 0402 pkg. c9 1,000 pf capacitor, 0603 pkg. u1 hmc276lp4 / hmc276lp4e 4x2 switch matrix pcb [2] 104113 eval board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 pin line 1vdd 2 tone 1 3gnd 4 tone 2 5gnd 6hv1 7n/c 8n/c 9hv2 hmc276lp4 / 276lp4e v01.0409 gaas mmic 4x2 switch matrix, 0.2 - 3.0 ghz
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