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      Microstrip Impedance Calculator    
      microstrip.jpg     
           
      Dielectric Constant er      
      Dielectric Thickness (mils) H    
      Trace Width (mils) W    
      Finished Copper Weight (mils) T 1oz. = 1.4 mils    
      Impedence Zo (Ohms) Zo Equation: IPC-D-317A (Eq. 5.32)    
      Inductance/Inch Lo (nH/in)      
      Capacitance/Inch Co (pF/in) Co Equation: IPC-D-317A (Eq. 5.33)    
      Propogation Delay Tpd (nS/in) THESE FORMULAS ARE APPROXIMATIONS    
       
    		EMCLABINFO