features ultra broadband low insertion loss 2.0db typ at 18ghz fast switching speed high isolation 45db at 10ghz through gaas vias for improved performance description the P35-4229-000-200 is a high performance gallium arsenide monolithic single pole double throw broadband rf switch. it is suitable for use in broadband communications, instrumentation and electronic warfare applications. control is effected by the application of complimentary 0v and -5v levels to the control lines in accordance with the truth table below. the die is fabricated using moc's 0.5 m m gate length mesfet process (s20) and is fully protected using silicon nitride passivation for excellent performance and reliability. electrical performance ambient temperature = 22+/- 3c , z o = 50 w , gate control voltage = 0v/-5v gaas mmic spdt reflective switch, dc - 20ghz P35-4229-000-200 marconi optical components parameter conditions min typ max units insertion loss dc - 10ghz - 1.5 1.8 db 10ghz - 18ghz - 1.8 2.0 db 18ghz - 20ghz - 1.9 2.3 db isolation dc - 10ghz 40 45 - db 10ghz - 18ghz 30 40 - db 18ghz - 20ghz 27 35 - db input return loss dc - 20ghz 13 15 - db output return loss dc - 20ghz 11 15 - db input power at 1db compression 18 22 - dbm control voltage - 0v/-5v 0v/-8v volts switching speed 50% control to 10/90% rf - 5 10 ns
typical performance at 22c absolute maximum ratings max control voltage -8v max i/p power +25 dbm operating temperature -55c to +125c storage temperature -55c to +150c insertion loss (db) isolation (db) input return loss (db) output return loss (db)
P35-4229-000-200 marconi optical components electrical schematic switching truth table control line state state 1 2 3 4 j1/j2 j1/j3 -5v 0v -5v 0v low loss isolation 0v -5v 0v -5v isolation low loss 0v -5v -5v 0v isolation isolation package outline pin details pin function j1 rf input j2 rf output j3 rf output a gnd b isolate j1-j2 c enable j1-j2 d enable j1-j3 e isolate j1-j3 f gnd die size: 1.91 x 2.11mm bond pad size: 120 m m square die thickness: 210 m m
the data and product specifications are subject to change without notice. these devices should not be used for device qualification and production without prior notice. ? marconi optical components ltd 2001 www.moc.marconi.com moc, caswell, towcester, northants, nn12 8eq, tel:+44 1327 356468 fax +44 1327 356698 462/sm/01574/200 iss 1/2issue ordering information: P35-4229-000-200
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