link to page 20 link to page 20 link to page 20 HMC637BPM5EData SheetEVALUATION PCB The EV1HMC637BPM5 (600-01711-00) evaluation PCB is to the ground plane, similar to what is shown in Figure 71. Use shown in Figure 71. a sufficient number of via holes to connect the top and bottom BILL OF MATERIALS ground planes, including the grounds directly beneath the ground pad to provide adequate electrical and thermal conduction. Use Use RF circuit design techniques for the circuit board used in of a heat sink on the bottom side of the PCB is recommended. the application. Provide 50 Ω impedance for the signal lines The evaluation PCB shown in Figure 71 is available from and directly connect the package ground leads and exposed pad Analog Devices, Inc., upon request. THRU CAL 600-01711-00-1 GND CTNL J3 C9 RFIN C1 C5 +RFOUT C6 R1 C2 J1 U1 J2 C3 C7 C11 + C4 C8 C10+ J4 GND VGG 070 16273- Figure 71. Evaluation PCB Table 5. Bill of Materials for the Evaluation PCB EV1HMC637BPM5 (600-01711-00) ItemDescription J1, J2 PCB Mount K connectors J3, J4 DC pins C1, C2, C3, C4 1000 pF capacitors, 0402 package C5, C6, C7, C8 10000 pF capacitors, 0402 package C9, C10, C11 4.7 µF capacitors, tantalum, 1206 package R1 0 Ω resistor, 0402 package U1 HMC637BPM5E PCB 600-01711-00 evaluation PCB; circuit board material: Rogers 4350 or Arlon 25FR Rev. A | Page 20 of 21 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS FREQUENCY RANGE = DC TO 7.5 GHz ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS INTERFACE SCHEMATICS TYPICAL PERFORMANCE CHARACTERISTIC THEORY OF OPERATION APPLICATIONS INFORMATION TYPICAL APPLICATION CIRCUIT EVALUATION PCB BILL OF MATERIALS OUTLINE DIMENSIONS ORDERING GUIDE