HMC-ALH508 v02.0209 GaAs HEMT LOW NOISEAMPLIFIER, 71 - 86 GHz 1 Pad Descriptions pad number function Description interface schematic This pad is AC coupled ip 1 rfin and matched to 50 ohms. h power supply Voltage for the amplifier. see assembly for 2 - 4 Vdd1, Vdd2, Vdd3 required external components. e - C is o This pad is AC coupled 5 rfoUT and matched to 50 ohms. w n Gate control for amplifier. please follow “mmiC Amplifier Bias- o 6 - 8 Vgg1, Vgg2, Vgg3 ing procedure” application note. see assembly for required external components. s - l Die bottom GnD Die bottom must be connected to rf/DC ground. r ie lif p m A Info F rmoatri op n rfiurcne is ,h ed d ebly ivAe n r al y o g aDn evdic eto s i p s bla eli c evee d otro dbe e ras: cc uH ratite tiatne d M reli iac bl reo . w Ho av wev e er , Cno 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 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 P r h d o e ne r O : 7 n 81- -3li 2n 9 e - 4 a 7 t 0 ww 0 • O w rd .h e it r o tniltie n .c e ao t m license is granted by implication or otherwise under any patent or patent rights of Analog Devices. www.analog.com 1 - 4 Application Support: Pho Trademarks and registered trademarks are the property of their respective owners. ne: 978-250-33 A 4 p 3 p li coarti o ap n S p u s p @ po h rt itt : P ite ho . n c e o : 1m -800-ANALOG-D