HMC499LC4 v06.0418 SMT PHEMT MEDIUM POWER AMPLIFIER21 - 32 GHzPin Descriptions pin number function Description interface schematic T 1, 5 - 8, 10 - 14, no connection required. These pins may be connected to rf/ n/C m 18, 20, 22, 24 DC ground without affecting performance. s package bottom has an exposed metal paddle that must also 2, 4, 15, 17 GnD be connected to rf/DC ground. r - This pin is AC coupled e 3 rfin and matched to 50 ohms. w o Gate control for amplifier. Adjust to achieve id of 200 mA. p please follow “mmiC Amplifier Biasing procedure” 9 Vgg Application note. external bypass capacitors of 100 pf, 1000 pf and 2.2 µf are required. r & A This pad is AC coupled e 16 rfoUT and matched to 50 ohms. lin power supply Voltage for the amplifier. external bypass 23, 21, 19 Vdd1, Vdd2, Vdd3 capacitors of 100 pf, 1000pf, and 2.2 µf are required. s - r ie Application Circuit lif p Component Value m C1 100 pf A C2 1,000 pf C3 2.2 µf 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 Document Outline Typical Applications Features Functional Diagram General Description Electrical Specifications Performance Characteristics Broadband Gain & Return Loss Gain vs. Temperature Input Return Loss vs. Temperature Output Return Loss vs. Temperature P1dB vs. Temperature Psat vs. Temperature Output IP3 vs. Temperature Noise Figure vs. Temperature Gain, Power & Output IP3 vs. Supply Voltage @ 22 GHz Reverse Isolation vs. Temperature Power Compression @ 22 GHz Power Compression @ 30 GHz Absolute Maximum Ratings Typical Supply Current vs. Vdd Outline Drawing Pin Descriptions Application Circuit Evaluation PCB List of Material for Evaluation PCB
