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Transcript
Model 1 V = 0 Model 2 V Model 3 V and rf AC Analysis Forward Biased At 300K VT = 0.026 V Thermal equilibrium, depletion region Reverse Biased Group 5 Materials CHAPTER 2 Semiconductor: Group 4 eg. Silicon and Germanium Bandgap Energy Calculate rd = VT / ID PN junction N-type Insulator Conductor Semiconductor Must perform DC Analysis first to get DC diode current, ID P-type Group 3 Extrinsic photodiode Intrinsic Other types of diode Solar cells LED Zener Diode Clipper Standard Clipper The two steps: Find clip value and set the conditions Clipper in Series Similar to half wave – knowing which cycle the diode will turn on The two steps: Find the value that the capacitor is charged to and KVL to find equation of Vo Clamper Multiple Diode Circuit IZmax Voltage Regulator Zener Diode The load resistor sees a constant voltage regardless of the current Vo = Vs - V PIV = 2Vspeak - V Vo = Vs - 2V Centertapped Duty Cycle Bridge PIV = Vspeak - V Full Wave Vo = Vs - V CHAPTER 3 Rectifier Half Wave PIV = Vspeak Derive input load line, IB versus VBE Formulas KVL at BE Loop DC Analysis npn Derive output load line, IC versus VCE KVL at CE Loop pnp Bipolar Junction Transistor Cutoff Mode of operation CHAPTER 4 Active Saturation What happened to each junctions?
