HMC311ST89 / 311ST89E v04.0517 InGaP HBT GAIN BLOCKMMIC AMPLIFIER, DC - 6 GHzEvaluation PCB T M K - S C LO IN B A R & G E IV R R - D IE ILF P M A List of Materials for Evaluation PCB 108313 [1] The circuit board used in the final application Item Description should use RF circuit design techniques. Signal J1 - J2 PCB Mount SMA Connector lines should have 50 Ohm impedance while the J3 - J4 DC Pin package ground leads and package bottom should C1, C2 Capacitor, 0402 Pkg. be connected directly to the ground plane similar to C3 100 pF Capacitor, 0402 Pkg. that shown. A sufficient number of via holes should C4 1000 pF Capacitor, 0603 Pkg. be used to connect the top and bottom ground C5 2.2 µF Capacitor, Tantalum planes. The evaluation board should be mounted to R1 Resistor, 0805 Pkg. an appropriate heat sink. The evaluation circuit board L1 Inductor, 0603 Pkg. shown is available from Analog Devices upon request. U1 HMC311ST89(E) PCB [2] 107368 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 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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