HMC457QS16G / 457QS16GE v03.0907 InGaP HBT 1 WATT POWERAMPLIFIER, 1.7 - 2.2 GHzEvaluation PCB 11 T - SM S R IE IF L P M R A E W O List of Materials for Evaluation PCB 106043-1900, 110171-2100 [1] & P The circuit board used in this application should use Item Description R RF circuit design techniques. Signal lines should J1, J2 PCB Mount SMA Connector A have 50 ohm impedance while the package ground J3, J4 2 mm DC Header E leads and exposed paddle should be connected C1 - C4 100 pF Capacitor, 0402 Pkg. IN directly to the ground plane similar to that shown. C5, C6 1000 pF Capacitor, 0603 Pkg. L A sufficient number of via holes should be used C7 2.2 μF Capacitor, Tantalum to connect the top and bottom ground planes. C8 33 pF Capacitor, 0402 Pkg. The evaluation board should be mounted to an C9 3.9 pF Capacitor, 0603 Pkg. - 1900 MHz appropriate heat sink. The evaluation circuit board C9 2.7 pF Capacitor, 0603 Pkg. - 2100 MHz shown is available from Hittite upon request. L1, L2 3.9 nH Inductor, 0603 Pkg. R1 160 Ohm Resistor, 0603 Pkg. U1 HMC457QS16G / HMC457QS16GE PCB [2] 109585 Evaluation PCB, 10 mils [1] Reference one of these numbers when ordering complete evaluation PCB depending on frequency of operation. [2] Circuit Board Material: Rogers 4350, Er = 3.48 Information furnish F e o d r pri by An ce, de alog Devic leis vie s rby eli, a eve nd to pla d to be accur ce o ate an r d der relia s ble , pl . Ho ease co wever, no For price, delivery, and to place orders: Analog Devices, Inc., responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other ntact Hittite Microwave Corporation: One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 20 Alpha Road, Chelmsford, MA 01824 Phone rights of third parties that may result from its use. Specifications subject to change without notice. No : 978 Pho - n 25 e: 7 0- 81 3 3 3 2 4 9- 3 F 470 ax: 978 0 • Order o - n 25 lin 0 e a-t 3373 license is granted by implication or otherwise under any patent or patent rights of Analog Devices. www.analog.com 11 - 249 Order On- Trademarks and registered trademarks are the property of their respective owners. line at www.hi A tptipte.co licatio m n Support: Phone: 1-800-ANALOG-D