HMC-AUH249 v04.0909 GaAs HEMT MMIC MODULATORDRIVER AMPLIFIER, DC - 35 GHzPin Descriptions pin Number Function description interface schematic 1 rFiN dc coupled. Blocking cap is needed. 2 res1 ac coupled 50Ω termination. 4 Gate control for amplifier. please follow “MMic amplifier 3 vgg2 Biasing procedure” application note. see assembly for required external components. ip 4 rFOut & vdd rF output and dc bias (vdd) for the output stage. h c Gate control for amplifier. please follow “MMic amplifier 6 vgg1 Biasing procedure” application note. see assembly for required external components. s - r e 5 res2 ac coupled 35Ω termination. iv r d die Bottom GNd die Bottom must be connected to rF/dc ground. r O Application Circuit lat u d O l & M a ic t p O Infor F m o ati ro p n f ruirc n e ish ,e d d e b l y iv Anealroyg a D n evidc ets oi s pblealic ev e e d otr o d b e e ras cc: urH at it e taitne d M relia ic bler. ow Ho a we vve er , C n o o For price, delivery, and to place orders: Analog Devices, Inc., responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rporation, 20 Alpha Road, Chelmsford, MA 01824 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 4 - 5 Phone: 978-250-3343 Fax: 978-250-3373 rights of third parties that may result from its use. Specifications subject to change without notice. No O Ph rod n e e r : 7On 81- - 3 li 2 n 9-e 4 a 70t ww 0 • O w rd . e hi r ott nliite n .c e a o t m license is granted by implication or otherwise under any patent or patent rights of Analog Devices. www.analog.com Application Support: Pho Trademarks and registered trademarks are the property of their respective owners. ne: 978-250-33 A 4 p 3 pli co atri o ap n S p ups@ por h t it : Ptit hoen.c e o : 1 m -800-ANALOG-D