ece 45 definitions

Question 1

terminals does a diode have?

Answer 1

2

Question 2

What is the resistor value of an ideal diode in the region of conduction?

Answer 2

0

Question 3

What is the state of an ideal diode in the region of non conduction?

Answer 3

An open circuit

Question 4

The diode __________
a. is the simplest of semiconductor devices
b. has characteristics that closely match those of a simple switch.
c. is a two terminal device
d. all of the above

Answer 4

all of the above

Question 5

The ideal diode is a(n) ______ circuit in the region of non conduction

Answer 5

open

Question 6

Which of the following is an atom composed of?
a. electrons
b. protons
c. neutrons
d. all of the above

Answer 6

all of the above

Question 7

How many valence electronics does a silicon atom have?

Answer 7

4

Question 8

the function of this amplifier is to amplify the difference of two signals.

Answer 8

Differential Amplifier

Question 9

If an input signal is applied to either input with the other input connected to ground

Answer 9

Single Ended

Question 10

If two opposite polarity input signals are applied

Answer 10

Double Ended

Question 11

If the same input is applied to both inputs

Answer 11

common-mode

Question 12

average of the two input signal is called

Answer 12

common mode

Question 13

ability of a differential amplifier to reject a common mode signal

Answer 13

CMRR (Common-mode rejection ratio

Question 14

is a DC network in which the current through a load is controlled by a current at another point in the network

Answer 14

current mirror

Question 15

a voltage controlled voltage source with very high gain.

Answer 15

operational amplifiers (op-amp)

Question 16

a device which acts as an ideal voltage controlled voltage source

Answer 16

ideal op-amp model

Question 17

goal is to establish an ac voltage or current that is independent of supply voltage and process parameters and has a well defined dependence on temperature

Answer 17

Reference Generation

Question 18

when all input sources are turned off and the output is properly terminated, there is a level of noise called

Answer 18

Noise Floor

Question 19

ratio of signal voltage to noise voltage

Answer 19

signal-to-noise voltage

Question 20

short for Schottky noise, it is caused by random fluctuations in the motion of charge carriers in a conductor.

Answer 20

Shot Noise

Question 21

referred to Johnson Noise. generated by thermal agitation of electrons in a conductor

Answer 21

Thermal Noise

Question 22

1/f noise, one of the oldest unsolved problems in physics

Answer 22

Flicker Noise

Question 23

also called as popcorn noise, related to imperfections in semiconductor material and heavy ion implants

Answer 23

burst noise

Question 24

created when a pn junction is operated in the reverse breakdown mode.

Answer 24

avalanche noise

Question 25

use resistance/capacitance coupling between two stages

Answer 25

RC coupled amplifiers

Question 26

amplifiers use transformer as coupling device

Answer 26

Transformer Coupled

Question 27

the successive stages are directly coupled to each other.

Answer 27

Direct coupled amplifiers

Question 28

ration of the output to the input of an amplifier

Answer 28

gain

Question 29

the gain of an amplifier when specified in number

Answer 29

absolute gain

Question 30

gain of amplifier is generally given in number

Answer 30

Decibel gain

Question 31

way which an amplifier responds to the different frequencies of the input signal

Answer 31

frequency response

Question 32

range of frequencies for which the gain of an amplifier is equal to or greater than 70.7% of the maximum gain

Answer 32

bandwidth