HMC494LP3 / 494LP3E v05.1211 SMT GaAs HBT MMICDIVIDE-BY-8, DC - 18 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 107384 [1] q e the circuit board used in the application should use item Description e r rF circuit design techniques. signal lines should J1 - J3 PcB Mount sMA rF connector r F have 50 ohm impedance while the package ground J4, J5 Dc Pin F leads and backside ground slug should be con- c2 - c5 100 pF capacitor, 0402 Pkg. nected directly to the ground plane similar to that c6 1000 pF capacitor, 0603 Pkg. shown. A sufficient number of via holes should be c1 2.2 uF tantalum capacitor used to connect the top and bottom ground planes. u1 HMc494LP3 / HMc494LP3e Divide-by-2 the evaluation circuit board shown is available PcB [2] 107197 eval Board from Hittite upon request. this evaluation board is [1] reference this number when ordering complete evaluation PcB designed for single ended input testing. J2 and J3 [2] circuit Board Material: rogers 4350 provide differential output signals. Info F rmoatr p ion rfiurcne is , d hed ebly ivAe n r al y a og D n evd t ice o p s is bla eli c eve o ed t rd o b e e ras: H ccuratite tiatne M d reli iac bl reo . w Ho av wev e C er, n o o 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 rporation, 20 Alpha Road, Chelmsford, MA 01824 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 978-250-3343 Fax: 978-250-3373 O rights of third parties that may result from its use. Specifications subject to change without notice. No P rd ho e ne r O : 7 n 81- -3li 2n 9 e a -47 t w 0 w 0 • O w rd .h e it r o tniltie n .c e ao t m 4 - 5 license is granted by implication or otherwise under any patent or patent rights of Analog Devices. www.analog.com Application Support: Pho Trademarks and registered trademarks are the property of their respective owners. ne: 978-250-33 A 4 p 3 o plica r a tio p n S p u s p @ po h rt itt : P ite ho . n c e o : 1m -800-ANALOG-D
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