? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. 1 gaas digital attenuator 31 db, 5 - bit, dc - 2 ghz rev. v4 at-357 advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. c-46 features n attenuation 1 db steps to 31 db n ttl control interface n hermetic connectorized housing description electrical specifications 1 : t a = -55c to +85c parameter test conditions frequency units min typ max nominal attenuation 2 1 db steps to 31 db attenuation accuracy dc - 1.0 ghz 1.0 - 2.0 ghz (0.2 db +2% of atten setting in db) db) (0.2 db +2% of atten setting in db) db) vswr dc - .025 ghz .025 - 0.5 ghz 0.2 - 2.0 ghz 0.5 - 1.0 ghz ratio ratio ratio ratio ? ? ? ? ? ? ? ? 2.2:1 1.8:1 1.5:1 1.4:1 reference insertion loss dc - 0.5 ghz 0.5 - 1.0 ghz 1.0 - 2.0 ghz db db db ? ? ? ? ? ? 5.5 6.0 6.5 impedance ? ? ohms ? 50 ? ton toff 50% ctl to 90% rf 50% ctl to 10% rf ? ? ns ns ? ? 160 80 ? ? trise tfall 10% rf to 90% rf 90% rf to 10% rf ? ? ns ns ? ? 15 3 ? ? transients unfiltered ? mv ? 130 ? 1 db compression input power 0.5 - 2.0 ghz 0.05 ghz dbm dbm ? ? 28 15 ? ? ip2 two-tone input power up to +5 dbm 0.5 - 2.0 ghz 0.05 ghz dbm dbm ? ? +55 +45 ? ? ip3 two-tone input power up to +5 dbm 0.5 - 2.0 ghz 0.05 ghz dbm dbm ? ? +47 +28 ? ?
? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. 2 gaas digital attenuator 31 db, 5 - bit, dc - 2 ghz rev. v4 at-357 advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. functional schematic (top view) absolute maximum ratings 4 4. operation of this device abov e any one of these parameters may cause permanent damage. parameter absolute maximum max input power 0.05 ghz 0.5 - 2.0 ghz +27 dbm +32 dbm bias votlage +15v supply (v+) -12v supply (v-) -0.7v to +18v -15v to +0.7v control votlage (v-) -2v to (v+) +2v (or 30 ma, whichever comes first) operating temperature -55c to +125c storage temperature -65c to +150c parameter test conditions frequency units min typ max bias power +15 vdc -12 vdc ? ? ma ma ? ? ? ? 5 3 vin low (0) vin high (1) 0.0 to 0.8v 2.4 to 5.0v ? ? a a ? ? ? ? 1 1 electrical specifications 1 : t a = -55c to +85c truth table control input attenuation setting c1 c2 c3 c4 c5 0 0 0 0 0 reference 1 0 0 0 0 1 db 0 1 0 0 0 2 db 0 0 1 0 0 4 db 0 0 0 1 0 8 db 0 0 0 0 1 16 db any combination sum of bits selected ?1? = logic high (ttl) ?0? = logic low (ttl) rf1 rf2 16 db 8 db 4 db 2 db 1 db c1 c2 c3 c4 c5 +15v -12v gnd gnd gnd gnd
? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. 3 gaas digital attenuator 31 db, 5 - bit, dc - 2 ghz rev. v4 at-357 advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. typical performance curves ref. insertion loss vs. frequency attenuation flatness vs. frequency vswr vs. frequency ordering information part number package at-357 sma c-46 1 2 3 4 5 6 0.00 0.25 0.50 0.75 1.00 frequency (ghz) loss (db) -1 -0.5 0 0.5 1 0.00 0.25 0.50 0.75 1.00 f requency (gh z) deviation from nominal attenuation (db) 31 db 1, 2 , 4 , 8, 16 db 1. 0 0 1. 2 0 1. 4 0 1. 6 0 1. 8 0 2.00 0.00 0.50 1.00 1.50 2.00 f requency (gh z) vswr insertion loss and 1 db bit attenuation of 2 db and greate r
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