HMC-APH473 v03.0209 GaAs HEMT MMIC 1 WATT POWERAMPLIFIER, 37 - 40 GHzPad Descriptions Pad Number Function Description Interface Schematic This pad is AC coupled and matched to 1 RFIN 50 Ohms. 3 This pad is AC coupled and matched to 2 RFOUT 50 Ohms. IP H Power Supply Voltage for the amplifi er. See assembly for 3, 5 Vdd1, Vdd2 required external components. S - C R Gate control for amplifi er. Please follow “MMIC Amplifi er IE 4, 6 Vgg1, Vgg2 Biasing Procedure” application note. See assembly for required external components. IF L P Die Bottom GND Die bottom must be connected to RF/DC ground. M R A E W O R & P A E IN L Information furnish F e o d r pri by An ce, de alog Devic leis vie s rby eli, a eve nd to pla d to be accur ce o ate an r d der relia s ble , pl . Ho ease co wever, no 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 ntact Hittite Microwave Corporation: One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 20 Alpha Road, Chelmsford, MA 01824 Phone rights of third parties that may result from its use. Specifications subject to change without notice. No : 978 Phon -e25 : 7 0 81 - - 3 3 3 29 4 - 3 F 470 ax 0 • O : 978 rder o - nl 25 in 0 e a - t 33 ww 73 license is granted by implication or otherwise under any patent or patent rights of Analog Devices. w.analog.com 3 - 187 Order On- Trademarks and registered trademarks are the property of their respective owners. line at www.hi A tptipte.co licatio m n Support: Phone: 1-800-ANALOG-D