HMC543ALC4B v06.0316 22.5° MMIC 4-BIT DIGITALPHASE SHIFTER, 8 - 12 GHzEvaluation PCB T M L - S ITA IG S - D R E T IF H E S S A H P List of Materials for Evaluation PCB EV1HMC543ALC4B [1][3] The circuit board used in the final application Item Description should use RF circuit design techniques. Signal J1 - J2 PCB Mount SMA RF Connector lines should have 50 ohm impedance while the J3 - J4 Molex Header 2mm package ground leads and exposed paddle should U1 HMC543ALC4B 4-Bit Digital Phase Shifter be connected directly to the ground plane similar to PCB [2] 116253 Evaluation PCB that shown. A sufficient number of via holes should [1] Reference this number when ordering complete evaluation PCB be used to connect the top and bottom ground [2] Circuit Board Material: Rogers 4350 planes. The evaluation board should be mounted [3] Please refer to part’s pin description and functional diagram for pin out assignments on evaluation board. to an appropriate heat sink. The evaluation circuit board shown is available from Hittite upon request. 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 7 Application Support: Phone: 1-800-ANALOG-D