switches - smt 10 10 - 78 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 hmc232g8 gaas mmic high isolation smt spdt switch, dc - 6 ghz v01.1105 general description features functional diagram the hmc232g8 is a broadband high isolation non- re ective gaas mesfet spdt switch in a hermetic surface mount package. covering dc to 6 ghz, the switch features >48 db isolation up to 2 ghz and >34 db isolation up to 6 ghz. the switch operates using complementary negative control voltage logic lines of -5/0v and requires no bias supply. isolation: 48 db @ 2 ghz 34 db @ 6 ghz insertion loss: 1.5 db typical @ 4 ghz non-re ective design hermetic surface mount package electrical speci cations, t a = +25 c, with 0/-5v control, 50 ohm system typical applications the hmc232g8 is ideal for: ? telecom infrastructure ? microwave radio & vsat ? military radios, radar & ecm ? space systems ? test instrumentation parameter frequency min. typ. max. units insertion loss dc - 2.0 ghz dc - 4.0 ghz dc - 6.0 ghz 1.4 1.5 1.8 1.7 1.8 2.2 db db db isolation dc - 2.0 ghz dc - 4.0 ghz dc - 6.0 ghz 43 33 29 48 38 34 db db db return loss on state dc - 6.0 ghz 16 db return loss rf1, rf2 off state dc - 2.0 ghz dc - 4.0 ghz dc - 6.0 ghz 11 9 8 db db db input power for 1 db compression 0.5 - 6.0 ghz 22 27 dbm input third order intercept (two-tone input power= +7 dbm each tone, 1 mhz tone separation) 0.5 - 6.0 ghz 46 dbm switching characteristics trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) dc - 6.0 ghz 3 6 ns ns
switches - smt 10 10 - 79 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 input third order intercept point return loss 0.1 and 1 db input compression point insertion loss isolation -5 -4 -3 -2 -1 0 01234567 + 25c + 85c - 40c insertion loss (db) frequency (ghz) -70 -60 -50 -40 -30 -20 -10 0 01234567 rf1 rf2 isolation (db) frequency (ghz) -25 -20 -15 -10 -5 0 01234567 rfc rf1, rf2 on rf1, rf2 off return loss (db) frequency (ghz) 15 20 25 30 35 01234567 1 db compression point 0.1 db compression point inpuit p1db (dbm) frequency (ghz) 30 35 40 45 50 55 60 01234567 + 25c + 85c - 40c inpuit ip3 (dbm) frequency (ghz) hmc232g8 gaas mmic high isolation smt spdt switch, dc - 6 ghz v01.1105
switches - smt 10 10 - 80 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 truth table absolute maximum ratings control voltages outline drawing control input signal path state a b rfc to rf1 rfc to rf2 high low on off low high off on state bias condition low 0 to -0.2v @ 10 ua max. high -5v @ 10 ua typ. to -7v @ 45 ua typ. rf input power (vctl= -5v) (0.5 - 6 ghz) +30 dbm (@ +50 c) control voltage range (a & b) +1.0v to -7.5 vdc channel temperature 150 c thermal resistance (r th ) (junction to lead) 94 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c esd sensitivity (hbm) class 1a caution: do not hot switch power levels greater than +27 dbm (vctl = 0/-5 vdc). notes: 1. package material: alumina loaded borosilicate glass. 2. leads, base, cover material: kovar? (#7052 corning). 3. plating: electrolytic gold 50 microinches min., over electrolytic nickel 50 microinches min. 4. all dimensions are in inches [millimeters]. 5. tolerances: .005 [0.13] unless otherwise specified. 6. all ground leads and ground paddle must be soldered to pcb rf ground. electrostatic sensitive device observe handling precautions hmc232g8 gaas mmic high isolation smt spdt switch, dc - 6 ghz v01.1105
switches - smt 10 10 - 81 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 pin descriptions suggested driver circuit pin number function description interface schematic 1, 4, 7 rf1, rf2, rfc this pin is dc coupled and matched to 50 ohm. blocking capacitors are required if rf line potential is not equal to 0v. 2, 3, 8 gnd package bottom must also be connected to pcb rf ground. 5 a see truth table and control voltage table. 6 b see truth table and control voltage table. hmc232g8 gaas mmic high isolation smt spdt switch, dc - 6 ghz v01.1105
switches - smt 10 10 - 82 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. item description j1 - j3 pcb mount sma rf connector j4 - j6 dc pin r1, r2 100 ohm resistor, 0603 pkg. u1 hmc232g8 spdt switch pcb [2] 107112 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 hmc232g8 gaas mmic high isolation smt spdt switch, dc - 6 ghz list of materials for evaluation pbc 107261 [1] v01.1105
switches - smt 10 10 - 83 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: hmc232g8 gaas mmic high isolation smt spdt switch, dc - 6 ghz v01.1105
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