射频电路应用设计的关键性培训资料1. Implications of Grounding 2. Possible Problems Hidden in a Schematic3. Imperfect or Inappropriate Grounding Examples o Inappropriate Selection of Bypass Capacitor * Underestimation or Ignoring of Bypass Capacitor * Blind Selection of Bypass Capacitor o Imperfect Grounding * The“Long March” * Un-Equipotentiality on a Grounded Surface o Improper Connection * Connection fromTested PCB to DC Power Supply * Connection from Ground to Ground 4. “Zero” Capacitor o What is “Zero” capacitor? ” o Selection of the “Zero” Capacitor o Bandwidth of the “Zero” Capacitor o Combined Effect of Multiple “Zero” Capacitors o Chip Inductor is a Good Assistant o “Zero” Capacitor in RFIC Design 5. Quarter Wavelength of Micro Strip Line o A Runner is a Part in RF Circuitry o Why the Quarter Wavelength is so Important? o The Magic of the Open-circuited Quarter Wavelength Micro Strip Line o Testing for Width of a Micro Strip Line with Specific Characteristic Impedance o Testing for the Quarter Wavelength Appendix o Characterizing a Chip Capacitor and Chip Inductor by Means of S21 Testing