HMC519 v04.0918 GaAs PHEMT MMIC LOW NOISEAMPLIFIER, 18 - 32 GHzPad Descriptions Pad Number Function Description Interface Schematic IP This pad is AC coupled H 1 RFIN and matched to 50 Ohms. Power Supply Voltage for the amplifier. External bypass E - C 2, 3, 4 Vdd1, 2, 3 capacitors of 100 pF and 0.1 µF are required. IS O This pad is AC coupled 5 RFOUT and matched to 50 Ohms. These pads must be connected to RF/DC W N 6, 7, 8 Vgg3, Vgg2, Vgg1 ground for proper operation. O Die Bottom GND Die Bottom must be connected to RF/DC ground. S - L R IE Assembly Diagram LIF P M 0.1uF BYPASS CAPACITOR A 100pF BYPASS 100pF BYPASS 100pF BYPASS CAPACITOR CAPACITOR CAPACITOR TO Vdd POWER SUPPLY 3mil GOLD RIBBON 1mil GOLD WIRE 3mil NOMINAL GAP 50 Ohm TRANSMISSION LINE G1 G2 G3 Note: Vgg1, Vgg2 and Vgg3 must be connected to RF/DC ground. 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