switches - smt 10 10 - 60 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 HMC231G7 gaas mmic smt high isolation spst switch, dc - 6 ghz v02.1006 general description features functional diagram the HMC231G7 is a broadband high isolation non- refl ective gaas mesfet spst switch in a hermetic surface mount package. covering dc to 6 ghz, the switch features >55 db isolation up to 2 ghz and >42 db isolation up to 6 ghz. the switch operates using complementary negative control voltage logic lines of -5/0v and requires no bias supply. when the off state is selected, both rf1 and rf2 ports are terminated in 50 ohms. isolation: 55 db @ 2 ghz 42 db @ 6 ghz insertion loss: 2 db typical @ 6 ghz non-refl ective input/output hermetic surface mount package electrical specifi cations, t a = +25 c, with 0/-5v control, 50 ohm system typical applications the HMC231G7 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 1.3 1.4 2.0 1.6 1.7 2.4 db db db isolation dc - 2.0 ghz dc - 4.0 ghz dc - 6.0 ghz 50 43 37 55 48 42 db db db return loss on state dc - 2.0 ghz dc - 4.0 ghz dc - 6.0 ghz 17 15 12 db db db return loss off state dc - 2.0 ghz dc - 4.0 ghz dc - 6.0 ghz 15 13 12 db db db input power for 1 db compression 0.5 - 6.0 ghz 23 27 dbm input third order intercept (two-tone input power= +7 dbm each tone, 1 mhz tone separation) 0.5 - 6.0 ghz 49 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 - 61 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 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -80 -70 -60 -50 -40 -30 -20 -10 0 01234567 isolation (db) frequency (ghz) -25 -20 -15 -10 -5 0 01234567 rf1 on rf1 off rf2 on rf2 off return loss (db) frequency (ghz) 15 20 25 30 35 01234567 1 db compression point 0.1 db compression point p1db (dbm) frequency (ghz) 30 35 40 45 50 55 60 01234567 + 25c + 85c - 40c ip3 (dbm) frequency (ghz) HMC231G7 gaas mmic smt high isolation spst switch, dc - 6 ghz v02.1006
switches - smt 10 10 - 62 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 rf1 to rf2 high low on low high off 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 notes: 1. package body material: white alumina 92% 2. conductor traces material: thick film tungsten. 3. lead, base, cover material: kovar?. 4. plating: electrolytic gold 50 microinches min, over electrolytic nickel 50 microinches min. 5. all dimensions are in inches [millimeters]. 6. tolerances: .005 [0.13] unless otherwise specified. 7. all ground leads and ground paddle must be soldered to pcb rf ground. caution: do not hot switch power levels greater than +27 dbm (vctl = 0/-5 vdc). electrostatic sensitive device observe handling precautions HMC231G7 gaas mmic smt high isolation spst switch, dc - 6 ghz v02.1006
switches - smt 10 10 - 63 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, 3 rf2, rf1 this pin is dc coupled and matched to 50 ohm. blocking capacitors are required if rf line potential is not equal to 0v. 2, 4, 7 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. HMC231G7 gaas mmic smt high isolation spst switch, dc - 6 ghz v02.1006
switches - smt 10 10 - 64 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 fi 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 - j2 pcb mount sma rf connector j3 - j4 dc pin r1, r2 100 ohm resistor, 0603 pkg. u1 HMC231G7 spdt switch pcb [2] 107744 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 HMC231G7 gaas mmic smt high isolation spst switch, dc - 6 ghz list of materials for evaluation pbc 107746 [1] v02.1006
switches - smt 10 10 - 65 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: HMC231G7 gaas mmic smt high isolation spst switch, dc - 6 ghz v02.1006
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