HMC451 v04.0118 GAAS PHEMT MMIC MEDIUMPOWER AMPLIFIER, 5 - 20 GHzPad Descriptions Pad Number Function Description Pin Schematic IP 1 RFIN This pad is AC coupled and matched to 50 Ohms. H Power Supply Voltage for the amplifier. External bypass 1, 3 Vdd1, Vdd2 capacitors of 100 pF and 0.1 µF are required. R - C IE 4 RFOUT This pad is AC coupled and matched to 50 Ohms. LIF P Die Bottom GND Die Bottom must be connected to RF/DC Ground. M R A E W Assembly Diagram O R & P A E LIN For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 781-329-4700 • Order online at www.analog.com 5 Application Support: Phone: 1-800-ANALOG-D