Question

3. Write the equations describing the voltage across the capacitor, Vc, in the following circuits for both the rising and falling edges of the input pulse. Again, use LTspice to verify your answer. (4 points) R1 1.5k V2 C1 100pF PULSE(0 5 100n 1n 1n 1u) .tran 2u 4. Repeat problem 3 if the resistor and capacitor positions are swapped. (4 points)

Answer 1

ISkA PuLSE(o 5 l0on loopF Ric ime fl? time Ot is a seriks KC creuit ef t rder, hefer esefor osdey VCn Casel: When Input ,ulsewhs1

2 Simula on of the circuit en the TEpice as as feew :-

LTspice XVI - Draft1 Eile View Plot Settings Simulation Iools Window Help Draftl Draftl R1 Vc 1.5k V1 C1 100pF PULSE(0 5 100n 1n 1n lu) .tran 2u .ic V(Vc)-0 Draft V(vc) 5.0V 5V 4.0V 5V oV 5V 0V 0V 0.5V 0.0v 1.0με 1.2με 1.4με 1.6με 1.8με 2.0με 0.0με 0.2με

time in he apic/toir- () , we have. within l sec

oW vising Simulation on ,-e. Ce On LTspice simulation
As per HomeworkLib policy I needed to solve only first question completely,which I have done,as you have posted multilple questions,by the way for the 2nd question also equations and simulation waveform remains same as first question for voltage across capacitor V_C.

Feel free to ask if you have any query.Thank you