marconi caswell limited, caswell, towcester, northamptonshire, nn12 8eq telephone: + 44 (0) 1327 350581 fax: + 44 (0) 1327 356775 website: www.caswelltechnology .com caswell technology is the trading name of marconi caswell limited which is a wholly owned subsidiary of marconi plc mcl reserves the right to update or change this specification without notice 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 to mcl. 462/sm/01576/200 iss 1/2 a marconi company P35-4234-000-200 gaas mmic sp4t reflective switch, dc - 20ghz features ultra broadband low insertion loss 3.0db typ at 18ghz fast switching speed high isolation 38db at 18ghz through gaas vias for improved performance description the P35-4234-000-200 is a high performance broadband gallium arsenide monolithic single pole four throw 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 mcl'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 3 o c , z o = 50 w , control voltage = 0v/-5v parameter conditions min typ max units insertion loss dc10 - ghz 18ghz - 10ghz 18ghz - 20ghz - - - 2.2 3.0 3.2 2.5 3.4 3.6 db db db isolation dc10 - ghz 18ghz - 10ghz 18ghz - 20ghz 36 30 29 44 38 38 - - - db db db input return loss dc - 20ghz 12 14 - db output return loss dc - 20ghz 10 14 - 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
marconi caswell limited, caswell, towcester, northamptonshire, nn12 8eq telephone: + 44 (0) 1327 350581 fax: + 44 (0) 1327 356775 website: www.caswelltechnology .com caswell technology is the trading name of marconi caswell limited which is a wholly owned subsidiary of marconi plc 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 to mcl. 462/sm/01576/200 iss 1/2 a marconi company P35-4234-000-200 typical performance at 22 c insertion loss (db) 0 1 2 3 4 5 0 5 10 15 20 frequency (ghz) loss (db) isolation (db) 0 10 20 30 40 50 60 70 80 0 5 10 15 20 frequency (ghz) loss (db) input return loss (db) 0 5 10 15 20 25 30 35 40 0 5 10 15 20 frequency (ghz) return loss (db) output return loss (db) 0 5 10 15 20 25 30 35 40 0 5 10 15 20 frequency (ghz) return loss (db) absolute maximum ratings max control voltage -8v max i/p power +25 dbm operating temperature -55 c to +125 c storage temperature -55 c to +150 c
marconi caswell limited, caswell, towcester, northamptonshire, nn12 8eq telephone: + 44 (0) 1327 350581 fax: + 44 (0) 1327 356775 website: www.caswelltechnology .com caswell technology is the trading name of marconi caswell limited which is a wholly owned subsidiary of marconi plc 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 to mcl. 462/sm/01576/200 iss 1/2 a marconi company P35-4234-000-200 electrical schematic
marconi caswell limited, caswell, towcester, northamptonshire, nn12 8eq telephone: + 44 (0) 1327 350581 fax: + 44 (0) 1327 356775 website: www.caswelltechnology .com caswell technology is the trading name of marconi caswell limited which is a wholly owned subsidiary of marconi plc 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 to mcl. 462/sm/01576/200 iss 1/2 a marconi company P35-4234-000-200 truth table control line state 1 2 3 4 5 6 7 8 j1/j2 j1/j3 j1/j4 j1/j5 0v 0v -5v -5v -5v 0v -5v 0v low loss isolation isolation isolation 0v 0v -5v -5v 0v -5v 0v -5v isolation low loss isolation isolation 0v -5v 0v -5v -5v -5v 0v 0v isolation isolation low loss isolation -5v 0v -5v 0v -5v -5v 0v 0v isolation isolation isolation low loss 0v 0v -5v -5v -5v -5v 0v 0v isolation isolation isolation isolation chip outline pad details pad function j1 rf input j2 rf output j3 rf output j4 rf output j5 rf output 1 isolate j1-j5 2 isolate j1-j4 3 enable j1-j4 4 enable j1-j5 5 enable j1-j3 6 enable j1-j2 7 isolate j1-j2 8 isolate j1-j3 chip size: 1.91 x 2.11mm bond pad size: 120 m m square chip thickness: 210 m m ordering information P35-4234-000-200
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