HMC451LP3 / 451LP3E v01.0118 GaAs PHEMT MMIC MEDIUMPOWER AMPLIFIER, 5 - 18 GHzEvaluation PCB T m s r - e w o p r & A e lin s - r ie lif p m A List of Materials for Evaluation PCB 120202 [1] The circuit board used in the application should item Description use rf circuit design techniques. signal lines should J1 - J2 pCB mount smA Connector have 50 ohm impedance while the package ground J3 - J5 DC pin leads and exposed paddle should be connected C1, C2 100 pf Capacitor, 0402 pkg. directly to the ground plane similar to that shown. C3, C4 1000 pf Capacitor, 0603 pkg. A sufficient number of via holes should be used C5, C6 2.2 µf Capacitor, Tantalum to connect the top and bottom ground planes. The U1 HmC451lp3(e) Amplifier evaluation board should be mounted to an appropri- pCB [2] 120201 evaluation pCB ate heat sink. The evaluation circuit board shown is [1] reference this number when ordering complete evaluation pCB available from Analog Devices, upon request. [2] Circuit Board material: Arlon 25fr 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 Application Support: Phone: 1-800-ANALOG-D 6