18-290
Signals and Systems
Profs. Aswin Sankaranarayanan and Richard Stern
Spring 2016
Homework 7 Solutions
1. (10 pts) As we will discuss in class, a fundamental difficulty in filter design is that
ideal filters are non-causal and hence, unrealizable.
An

Signals and Systems
Instructors: Prof. Bruno Sinopoli and Prof. Pulkit Grover
Spring 2014
1
The Team
Prof. Bruno Sinopoli
Prof. Pulkit Grover
Niranjini Rajagopal Praveen Venkatesh Stephan Kruzick Young Woong Park Maggie Lu
(recitations)
(recitations)
(rec

18-290 Signals & Systems
Homework 10
Spring 2015
Total Points: 100
Submit your Solutions in three separate parts.
Make sure to write your Name and Andrew ID on each part.
Part 1 (Problems 1-2); Part 2 (Problems 3-5); Part 3 (Problem 6)
1. (12 pts) Computi

18-290 Signals And Systems
Lab 5
Issued: Monday, April 13, 2015
Files Needed: speech.wav, lena.jpg, clip.wav, print.jpg
Spring 2015
Total Points: 100
Due: In Lab
Note: Read the whole pre-lab and lab once before starting on the pre-lab. If you have questio

18290
Signals- ancl Systems
Prof. Byron Yu
Name:
Andrew ID:
Miderm Exam 1
Oct 21 2012 Midterm Exam 1
1, (15 points)
(3,) (5 330i11'l55) Compute the average power of $05) 2 Acosut Jr ).
(b) (5 points) Compute the energy of
Int, if0<t<1,
yi = 1+t, if

18-290 Signals & Systems
Homework 2 solutions
Spring 2015
Total Points: 100
1. Average Power of Periodic Signals
Consider a simple circuit consisting of a time varying voltage source v(t) connected to a resistor R.
Compute the average power dissipated ove

18390
Signals and Systems
Prof. Byron Yu Oct 21 2012
Midterm Exam 1
Name:
Andrew ID:
Problem Score Max Adidterm Exam 1
1. (15 points)
(a) (5 points) Compute the average power of 33(t) = Acos(wt -l
(b) (5 points) Compute the energy of
1mt, if0<1,
1+

18-290
Signals and Systems
Prof. Pulkit Grover and Prof. Bruno Sinopoli
Midterm Exam 1 SOLUTIONS
Name:
Andrew ID:
Problem Score Max
1
10
2
12
3
12
4
5
5
12
6
12
7
15
8
16
9
6
Total
100
Feb 19, 2015
2
Midterm Exam 1 SOLUTIONS
1. (10 pts) A signal x(t) is s

18-290 Signals And Systems
Lab 2
Issued: Monday, February 9, 2015
Files Needed: loudness.mat, amplitudes.mat, ode.mat,
speech.wav, clap1.wav, clap2.wav, clap3.wav
Spring 2015
Total Points: 100
Due: In Lab
Note: It is recommended that you look through the

Carnegie Mellon University
Department of Electrical and Computer Engineering
18-220: Electronic Devices and Analog Circuits
Homework 11
Assignment Due: 24Apr 2013 by 5:00 pm in the Course Hub
Problem 1) For the Colpitts oscillator circuit below, analyze t

18-220 Homework 12
Page 1 of 16
18-220 : Electronic Devices and Analog Circuits, Spring 2013
Homework 12 Solution Key
Due: Wednesday, May 1, 2013
Point Distribution - Homework is worth 10 points
Question Possible Points
1
15
2
15
3
20
4
15
5
20
6
15
Total

Carnegie Mellon University
Department of Electrical and Computer Engineering
18-220: Electronic Devices and Analog Circuits
Homework 1
Assignment Due:
23 Jan. 2013 by 5:00 pm in the Course Hub
Problem 1) What is the input resistance, output resistance and

November 1995
2N7000 / 2N7002 / NDS7002A
N-Channel Enhancement Mode Field Effect Transistor
General Description
Features
High density cell design for low RDS(ON).
These N-Channel enhancement mode field effect transistors
are produced using Fairchild's pro

For regardless of the conditions the following cases must hold:
is low this purpose one ofof A, B, C, and D
2- If E is high, D and at least one of A, B, and C are low E is low regardless of the conditions of A, B, C,
1- E
and D must be low regardless of t

18-290
Signals and Systems
Profs. Aswin Sankaranarayanan and Byron Yu
Fall 2013 (100 Points)
Midterm Exam 2
Name:
Andrew ID:
Problem
1
Score
Max.
12
2
18
3
12
4
15
5
12
6
16
7
15
Total
100
Use of tables in encouraged unless otherwise specied.
Midterm Exam

18-290
Signals and Systems
Profs. Aswin Sankaranarayanan and Richard Stern
Spring 2016
Homework 7
This homework is due in the Course Hub on Thursday March 17, at 4 pm.
Reading: During the three lectures, we have been discussing properties of FT and FS. In

18-290
Signals and Systems
Profs. Aswin Sankaranarayanan and Richard Stern
Spring 2016
Homework 6 Solutions
1. (20 pts) We will develop some more properties of FTs and then use them to identify
properties of a signal simply by looking at its FT.
FT
(a) (5

18-290
Signals and Systems
Profs. Aswin Sankaranarayanan and Richard Stern
Spring 2016
Homework 6
This homework is due in coursehub on Thurs. March 3th, 4pm.
Reading: During the past week, we have been discussing CT fourier transforms and started
discussi

18-290
Signals and Systems
Profs. Aswin Sankaranarayanan and Richard Stern
Spring 2016
Homework 3
This homework is due in class on Thursday, Feb. 4th, 10:30am.
Reading: During the past week we have been discussing the relationships between the
input, samp

18-290
Signals and Systems
Profs. Aswin Sankaranarayanan and Richard Stern
Spring 2016
Homework 1
This homework is due in class on Thursday, January 21, 10:30am.
Instructions
The HW is comprised of two parts.
Please solve all non-MATLAB problems using o

18-290
Signals and Systems
Profs. Aswin Sankaranarayanan and Richard Stern
Spring 2016
Homework 1 Solutions
1. (15 pts) Determine of the following signals are periodic, and explain. If they are
periodic, find the fundamental period.
(a) (3 pts) x[n] = sin

18-290
Signals and Systems
Profs. Aswin Sankaranarayanan and Richard Stern
Spring 2016
Homework 2
This homework is due in class on Thursday, January 28, 10:30am.
Instructions
The HW is comprised of two parts.
Please solve all non-MATLAB problems using o

18-290
Signals and Systems
Profs. Aswin Sankaranarayanan and Richard Stern
Spring 2016
Homework 3 Solutions
1. (6pts) Consider the signal
n1
1
h[n] =
cfw_u[n + 3] u[n 10]
2
Express A and B in terms of n so that the following equation holds:
( nk1
1
, AkB