HMC589AST89E v02.0617 InGaP HBT GAIN BLOCKMMIC AMPLIFIER, DC - 4 GHzEvaluation PCB [3] T M K - S C LO IN B A S & G R IE LIF P M A List of Materials for Evaluation PCB EV1HMC589AST89 [1] The circuit board used in the application should Item Description use RF circuit design techniques. Signal lines J1 - J2 PCB Mount SMA Connector should have 50 Ohm impedance while the package J3 - J4 DC Pin ground leads and package bottom should be C1, C2 Capacitor, 0402 Pkg. connected directly to the ground plane similar to that C3 100 pF Capacitor, 0402 Pkg. shown. A sufficient number of via holes should be C4 1000 pF Capacitor, 0603 Pkg. used to connect the top and bottom ground planes. C5 2.2 µF Capacitor, Tantalum The evaluation board should be mounted to an R1 Resistor, 1206 Pkg. appropriate heat sink. The evaluation circuit board L1 Inductor, 0603 Pkg. shown is available from Analog Device upon request. U1 HMC589AST89 / HMC589AST89E PCB [2] 108370 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 [3] Evaluation board tuned for 1.9 GHz, 1/8W operation 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
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