? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 visit www.macomtech.com for additi onal data sheets and prod uct 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 flip-chip multiplier varactor diode rev. v4 MA46H146 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. ? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 visit www.macomtech.com for additi onal data sheets and prod uct 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 flip-chip multiplier varactor diode rev. v4 MA46H146 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. features ? very low total capacitance < 0.06 pf ? extremely high q > 15 k ? silicon nitride passivation ? polymer scratch protection ? surface mount configuration ? rohs* compliant description m/a-com?s MA46H146 is a gallium arsenide flip chip multiplier varactor these devices are facili- tated on movpe epitaxial wafers using a process designed for high device uniformity and extremely low parasitics. the MA46H146 diodes are fully pas- sivated with silicon nitride and have an additional polymide layer for scratch protection. the protec- tive coatings prevent damage to the junction during automated or manual handling. the flip chip con- figuration is suitable for pick and place insertion. absolute maximum ratings 1 @ t a =+25 c 1. operation of this device abov e any one of these parameters may cause permanent damage parameter absolute maximum operating temperature -65 c to +150 c storage temperature -65 c to +150 c reverse voltage -26 v forward current 50 ma mounting temperature <200 c chip layout front view (circuit side) back view (operator side) typical resistance vs. reverse bias voltage typical capacitance vs. reverse bias voltage typical performance curves specifications subject to change without notice. schematic * restrictions on hazardous substanc es, european union directive 2002/95/ec.
? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 visit www.macomtech.com for additi onal data sheets and prod uct 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 flip-chip multiplier varactor diode rev. v4 MA46H146 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. ? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 visit www.macomtech.com for additi onal data sheets and prod uct 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 flip-chip multiplier varactor diode rev. v4 MA46H146 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. applications these gaas flip chip devices are suited for milli- meter wave frequency tunable filters, where ex- tremely low parastics are required to maintain rea- sonable q. in addition, this product can be used in multiplier circuits, for 2x and 3x output frequencies in the millimeter wa ve frequency bands. assembly requirements using electri- cally conductive ag epoxy these chips are designed to be inserted onto hard or soft substrates with the junction side down. they must be mounted with electrically conductive ag epoxy. solders are not recommended due to tung- sten metallization beneath the gold contacts. the die can also be assembled with the junction side up, and wire or ribbon bonds made from the bond pads to the circuit trace. circuit can be preheated to 125 ? 150 c. use a controlled amount of con- ductive epoxy for each bond pad. finished, uniform silver epoxy thickness should be between 1 ? 2 mils. cure epoxy per manufacturer?s schedule. for handling procedures the following precautions should damaging gaas flip-chips: cleanliness these chips should be handled in a clean environ- ment. do not attempt to clean die after installation. static voltage sensitivity varactor diodes are esd sensitive and can be damaged by static electricity. proper esd tech- niques and precautions should be followed when handling these devices. general handling the protective polymer coating on the active areas of these devices provides scratch protection, par- ticularly for the metal airbridge which contacts the anode. dice can be handled with tweezers or vac- uum pickups and are suitable for use with auto- specifications subject to change without notice. electrical specifications @ t a = +25 c gamma 0.50 abrupt multiplier varactors breakdown voltage @ 10 a = 26v minimum reverse current @ 18 v = 50 na maximum gamma = 0.45-0.55, vr = 0 to 20 v part number total capacitance total capacitance total capacitance total capacitance total capacitance ratio q minimum vr=0v f=1mhz vr=4v f=1mhz vr=10v f=1mhz vr=25v f=1mhz vr=0v vr=25v vr=4v f=50mhz (pf) (pf) (pf) - - typical min typical max typical typical typical typical MA46H146 0.063 0.033 0.040 0.060 0.032 0.030 2.1 15600 (pf)
? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 visit www.macomtech.com for additi onal data sheets and prod uct 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 flip-chip multiplier varactor diode rev. v4 MA46H146 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. ? north america tel: 800.366.2266 / fax: 978.366.2266 ? europe tel: 44.1908.574.200 / fax: 44.1908.574.300 ? asia/pacific tel: 81.44.844.8296 / fax: 81.44.844.8298 visit www.macomtech.com for additi onal data sheets and prod uct 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 flip-chip multiplier varactor diode rev. v4 MA46H146 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. dimensions specifications subject to change without notice. inches millimeters min max min max a 0.025 0.027 0.64 0.69 b 0.012 0.015 0.30 0.38 c 0.006 0.008 0.15 0.20 d 0.007 0.009 0.18 0.23 e 0.006 0.008 0.15 0.20 f 0.015 0.017 0.38 0.43 dimension circuit mounting dimensions (inches)
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