Virtual Labs

Schematic Design of Transistor Level Inverter using SPICE Code

1. In SPICE code, what command is used for transient analysis?

a: .TRAN Explanation

Explanation

b: .AC Explanation

Explanation

c: .OP Explanation

Explanation

d: .DC Explanation

Explanation

2. What does the '.OP' command stand for in SPICE code?

a: Output Power Explanation

Explanation

b: Operational Point Explanation

Explanation

c: Open Path Explanation

Explanation

d: Output Performance Explanation

Explanation

3. What does SPICE stand for in the context of circuit simulation?

a: Simulation Program with Integrated Circuit Emphasis Explanation

Explanation

b: Systematic Programming for Integrated Circuit Emulation Explanation

Explanation

c: Signal Processing in Circuit Environments Explanation

Explanation

d: Sequential Programming for Integrated Circuit Evaluation Explanation

Explanation

4. Which analysis is performed to study the effect of time-varying signals in SPICE?

a: DC Analysis Explanation

Explanation

b: AC Analysis Explanation

Explanation

c: Transient Analysis Explanation

Explanation

d: Steady-State Analysis Explanation

Explanation

5. What component behavior is assumed during DC analysis in SPICE when dealing with inductors and capacitors?

a: Inductors act as open circuits, capacitors act as open circuits Explanation

Explanation

b: Inductors act as short circuits, capacitors act as open circuits Explanation

Explanation

c: Inductors act as open circuits, capacitors act as short circuits Explanation

Explanation

d: Inductors act as short circuits, capacitors act as short circuits Explanation

Explanation

6. What type of analysis is used for calculating small signal gain and impedance in SPICE?

a: Pole Zero Analysis Explanation

Explanation

b: Transfer Function Analysis Explanation

Explanation

c: AC Analysis Explanation

Explanation

d: Frequency Response Analysis Explanation

Explanation

7. Which SPICE command is used for sweeping a parameter over a specified range?

a: .SWEEP Explanation

Explanation

b: .PARAM Explanation

Explanation

c: .DC Explanation

Explanation

d: .RANGE Explanation

Explanation

8. What is the purpose of the '.PARAM' command in SPICE?

a: Define circuit parameters Explanation

Explanation

b: Perform parametric analysis Explanation

Explanation

c: Set initial conditions Explanation

Explanation

d: Generate random values Explanation

Explanation

9. Which analysis is focused on finding optimal values of certain parameters in a circuit using SPICE?

a: Sensitivity Analysis Explanation

Explanation

b: Optimization Analysis Explanation

Explanation

c: Monte Carlo Analysis Explanation

Explanation

d: Parametric Analysis Explanation

Explanation

10. What is the purpose of the '.IC' command in SPICE?

a: Initialize Conditions Explanation

Explanation

b: Iterative Calculation Explanation

Explanation

c: Input Circuit Explanation

Explanation

d: Intrusive Change Explanation

Explanation

11. In a CMOS inverter, what happens to the output voltage when the NMOS transistor is in the off state and the PMOS transistor is in the on state?

a: Output voltage is low Explanation

Explanation

b: Output voltage is high Explanation

Explanation

c: Output voltage is at mid-level Explanation

Explanation

d: Output voltage is undefined Explanation

Explanation

12. What SPICE command is commonly used to define the technology parameters of CMOS transistors in a circuit?

a: .MODEL Explanation

Explanation

b: .PARAM Explanation

Explanation

c: .MOSFET Explanation

Explanation

d: .CMOS Explanation

Explanation