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PN Junction Diode. ENGI 242 ELEC 222. PN Junction Diode. Diode Model Analysis Ideal Approximation Exact Diode Specification Sheets Diode Resistance Static Resistance R D Dynamic Resistance r d Average Resistance r dav Diode Characteristic Curves Simulation.
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PN Junction Diode ENGI 242 ELEC 222
PN Junction Diode • Diode Model Analysis • Ideal • Approximation • Exact • Diode Specification Sheets • Diode Resistance • Static Resistance RD • Dynamic Resistance rd • Average Resistance rdav • Diode Characteristic Curves • Simulation ENGI 242/ELEC 222
Ideal diode: (a) symbol; (b) characteristics. ENGI 242/ELEC 222
Conduction state of the ideal diode based on the applied bias ENGI 242/ELEC 222
Typical Diode Curves ENGI 242/ELEC 222
Forward Bias Curve is Exponential ENGI 242/ELEC 222
Diode Response vs Temperature ENGI 242/ELEC 222
Semiconductor Diode Characteristics ENGI 242/ELEC 222
Determining the dc Resistance ENGI 242/ELEC 222
rd - the Dynamic (ac) Resistance ENGI 242/ELEC 222
Determining rd - the ac Resistance at Q ENGI 242/ELEC 222
Determining rd - the ac Resistance ENGI 242/ELEC 222
rdav – the Average ac Resistance Draw line through 2 points +VP and -VP ENGI 242/ELEC 222
Circuit to display the V - I characteristics ENGI 242/ELEC 222
PSpice Model Editor – D1N914 Parameters ENGI 242/ELEC 222
DC Sweep Simulation Settings ENGI 242/ELEC 222
PSpice plot of forward bias at 25°C ENGI 242/ELEC 222
DC Sweep Simulation Settings Note First select Edit Pspice Model, and change IBV to 10 ENGI 242/ELEC 222
PSpice generated plot characteristics at 25°C This Probe output shows both forward and reverse breakdown ENGI 242/ELEC 222
PSpice Netlist Output Part 1 ENGI 242/ELEC 222
PSpice Netlist Output Part 2 ENGI 242/ELEC 222