Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120 Biomedical Circuits and Instrumentation Laboratory
Fall 2016
MATLAB Tutorial: Part 2
Name(s):
Date:
Section/time:
Complete the exercises in this file and submit the homework assignments in
eLearning.
This part of the tutorial focuses mainly on p
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
Ami Shah
9/15/15
Lab 3 Pre lab
1. (10 points) In a zero biased PN junction, what force counteracts the diffusion
of electrons across the junction?
In a zero biased PN junction, the force that counteracts the diffusion of
electrons across the junction is t
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120
Active Filters
UNIVERSITY OF TEXAS AT DALLAS
Lab 7
Ami Shah
11/10/2015
11/10/15
1
BMEN 3120
Active Filters
INTRODUCTION
In this lab we are to build different types of filters with op amps including a
combination of low pass filters, high pass
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120
Diode Circuits
UNIVERSITY OF TEXAS AT DALLAS
Lab 3
Ami Shah
9/22/2015
9/22/15
1
BMEN 3120
Diode Circuits
INTRODUCTION
Unlike the previous labs where we worked with resistors, capacitors, and
voltage sources, in this lab we are working with anoth
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120
Capacitive Circuits
UNIVERSITY OF TEXAS AT DALLAS
Lab 2
Capacitive Circuits
Ami Shah
9/15/2015
9/15/15
1
BMEN 3120
Capacitive Circuits
Introduction
This lab was an introduction to circuit capacitors and how to work with both
DC (direct current)
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
Problem 1 (30 points): The voltage across a certain branch of a circuit is given by,
V ( t )=5 cos ( t +300 ) V , and the current passing through it is,
(
I ( t )=20 cos t +
mA .
4
)
The circuit is excited with a single sinusoidal source with a frequency
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120
Operational Amplifiers
UNIVERSITY OF TEXAS AT DALLAS
Lab 6
Ami Shah
11/3/2015
11/3/15
1
BMEN 3120
Operational Amplifiers
INTRODUCTION
In this lab, the purpose was to see the different types of op amps and how
they work. These different types of
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120 Biomedical Circuits and Instrumentation Laboratory
Fall 2015
Lab 7: Active Filters
Name(s): Ami Shah
Date: 11/3/15
Section/time: BMEN 3120.103
Prelab assignment
To help prepare for this lab, please read through the preceding discussions and ans
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
Ami Shah
BMEN 3120
Pre Lab 6
1. In Figure 7(a) below, the inverting and noninverting input terminals are denoted as VIN+ and VIN,
respectively, the positive and negative supply voltages are and , respectively, and the output is
VOUT.
In Figure 7(b), whi
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120
Frequency selective circuit
UNIVERSITY OF TEXAS AT DALLAS
Project 1
Ami Shah
Sanyukta Bihari
10/22/2015
10/22/15
1
BMEN 3120
Frequency selective circuit
INTRODUCTION
In this lab we are trying to create a circuit that is frequency selective, or i
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
1. (10 points) What are the primary charge carriers in an NPN BJT? What about a
PNP BJT?
The primary charge carriers in an NPN BJT are electrons while the
primary charge in PNP BJT are the flow of holes.
2. (5 points) When both junctions of a BJT are forw
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120: Lab 2  Resistive Circuits (Fall 2016)
Prelab2 Solution:
1(a)
20 V
1(b)
9 + = 0
If the voltage across the 9A source is denoted 9 (+ve on top), then
9 = + 20
2(a)
2 = 0.3 A
2(b)
5 = 3 A
3(a)
60
3(b)
10
3(c)
25
4(a)
Delivering power to the ci
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120 Biomedical Circuits and Instrumentation Laboratory
Fall 2016
Lab 1: Introduction to Circuits and Instrumentation
Name(s):
Date:
Section/time:
Downlaod this file from eLearning and fill it out. At the end of the lab, submit the
completed file in
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120 Biomedical Circuits and Instrumentation Laboratory
Fall 2016
MATLAB Tutorial
Name(s):
Date:
Section/time:
Complete the exercises in this file and submit the homework assignments in
eLearning.
Contents
MATLAB Background . 1
MATLAB Walkthrough: Pa
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
Sample Problems for BMEN 3120
Midterm Exam: Practical
During the practical exam, you can bring notes/reports/worksheets (hard copies, or
soft copies in a thumb drive); no page limit. You will be asked to solve two or three
problems similar to the lab exer
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
Sample Problems for BMEN 3120
Written Exam
The written part of the midterm exam will focus on the theory and experiments from
the first four labs. Review all the labs and make sure you understand all lab
procedures, the underlying theory and the results/c
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120 Biomedical Circuits and Instrumentation Laboratory
Fall 2016
Lab 2: Resistive Circuits
Name(s):
Date:
Section/time:
Downlaod this file from eLearning and fill it out. At the end of the lab, submit the
completed file in eLearning.
Contents
Introd
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120 Biomedical Circuits and Instrumentation Laboratory
Fall 2016
Lab 3: Capacitive Circuits
Name(s):
Date:
Section/time:
Downlaod this file from eLearning and fill it out. Save the results and screenshots (where
applicable) for your report.
Contents
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120
Electromyograph
UNIVERSITY OF TEXAS AT DALLAS
Project 2
Ami Shah, Sanyukta Bihari
12/7/2015
12/7/15
1
BMEN 3120
Electromyograph
Abstract
The purpose of the project was to build a system that was able to measure the electrical signal through
the
Biomedical Circuits and Instrumentation Laboratory
BMEN 3120

Fall 2016
BMEN 3120
Transistor Circuits
UNIVERSITY OF TEXAS AT DALLAS
Lab 4
Ami Shah
9/29/2015
9/29/15
1
BMEN 3120
Transistor Circuits
INTRODUCTION
In this lab, transistors were used which are semiconductors to amplify and
get electric signals. They have at least t