f = 1 GHz Case capacitance f = 1 MHz Series inductance chip to ground Semiconductor Group 2 Feb-04-1997 BBY 53 Diode capacitance CT = f (VR) f = 1MHz 0.6 CT pF 0.4 0.3 0.2 0.1 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 V VR 5.0 Semiconductor Group 3 Feb-04-1997 .