HMC438MS8G / 438MS8GE v07.1019 SMT GaAs HBT MMICDIVIDE-BY-5, DC - 7 GHzEvaluation PCB 4 4 T T M M S - S S - S R R O O T T C C E E T T E E S & D S & D R R E E ID ID IV IV Y D Y D C C N N E E U U Q List of Materials for Evaluation PCB 105786 [1] Q E Item Description The circuit board used in the application should use E R J1 - J3 PCB Mount SMA RF Connector RF circuit design techniques. Signal lines should R F have 50 Ohm impedance while the package ground J4, J5 DC Pin F leads and backside ground slug should be con- C1 - C4 100 pF Capacitor, 0402 Pkg. nected directly to the ground plane similar to that C5 10,000 pF Capacitor, 0603 Pkg. shown. A sufficient number of via holes should be C6 4.7 µF Tantalum Capacitor used to connect the top and bottom ground planes. HMC438MS8G / HMC438MS8GE U1 Divide-by-5 The evaluation circuit board shown is available from PCB [2] 105697 Eval Board Analog Devices, upon request. This evaluation [1] Reference this number when ordering complete evaluation PCB board is designed for single ended input testing. J2 [2] Circuit Board Material: Rogers 4350 and J3 provide differential output signals. 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 4 - 6 Application Support: Phone: 1-800-ANALOG-D