Problem 1.4
Schematic
HSPICE Netlist
* Problem 1.4
* diode model
.MODEL D D CJO=15fF PB=0.9
** CJO:capacitance at 0V bias
** PB:built-in diode contact potential
* main circuit
R 1 2 43k
D1 0 2 D 1
* input voltage signal
Vin 1 0 Pulse(3 0 100f 100f 100f 5n 10n)
* analysis
.op
.tran 0.01n 20n
* options
.options post
.end
Simulation Result
rise time = 0.52ns
fall time = 0.46ns
