List the three types of transistor amplifier configurations.

Common Base

Common Collecor

Common Emitter

To determine a transistor amplifier‟s configuration, identify the elements to which the input and output are connected. The remaining element is called the

• In a common emitter configuration, the input is applied to the __________ and the output is taken

   from the ___________.

To the Base

From the Collector

The common base amplifier has the input applied to the ___ and the output taken from the _____

From the Emitter

Taken from Collector

In a common collector configuration the input is applied to the _________ and the output is taken

from the ___________.

Applied to the Base

Taken from the Emitter

What type of gain does the common emitter amplifier provide

The operating point on the load line can also be called the ________________point

A transistor amplifier circuit has an input change in the signal of 10mV and an output change in the signal of 300mV. What is the amplifier voltage gain?

List the four classes of operation for amplifiers.

A

AB

B

  C  

The amplifiers class of operation is determined by

The class A amplifier conducts for

The class B amplifier conducts for

The output sine wave is chopped off at the top and bottom. This is an example of

Explain negative temperature coefficient as it relates to a transistor.

A series emitter resistor is often referred to as a _______ resistor.

The "negative temperature coefficient" of a thermistor means that as temperature increases resistance _________.

List the four types of coupling circuits used to connect one amplifier to another

Direct

RC

LC

Transformer

What type of coupling passes both DC voltages and AC signals?

Dynamic condition

or

Operating condition

Power Supply

Amplifier

Frequence Determining Device

Regenative Feedback Loop / Path

What type of feedback compensates for damping in the frequency determining device (tank circuit)?

An astable multivibrator has ____ stable states and is classified as a _______ multivibrator.

No Stable State

Free Running Multivibrator

What type of output waveforms will all multivibrators produce?

The monostable multivibrator is also called a _________ or a __________ multivibrator

One Shot

Start / Stop

A bistable multivibrator circuit is also called a _____________________.

Flip Flop

or

Divide by 2 Circuit

What determines the width of each output pulse (alternation)?

The bistable multivibrator circuit

has two possible stable conditions.

When the input triggers to the bistable multivibrator are removed

Light emitting diodes are polarity sensitive devices that operate properly when _______ biased

What determines the color of light emitted by the LED?

What are the major advantages of an LED?

Low Power

Loing Life

Rugged and Reliable

Produces Very little heat

The dot matrix display is used to display ___________ characters

LEDs are used to generate alpha-numeric characters by connecting them as _______-segment displays.

What type of display does a LCD use?

The characteristic of the liquid material of an LCD which allows it to become visible when a voltage is applied is called __________.

What is the advantage of the LCD over other types of displays?

Light Weight

Lower Power Consumption

What are the advantages of integrated circuits over discrete circuits

Small

Less Power

Durable

List two limitations of Integrated circuits.

High Power Limitation

Size of the components

Which type of IC package does not have the input/output pins penetrate through the circuit board?

What function does a pin indicator perform on an integrated circuit

What are the three elements of a field effect transistor (FET)?

Gate

Drain

Source

In a MOSFET the width of the depletion region is based upon ________

In an n-channel JFET, what determines how much current will flow between the source and the drain?

Name the parts of a solenoid relay.

Coil

Core

Armature

Contacts

Spring

What are the parts of a Solid state relay

Switch

LED (diode)

Photdiode Array

2 Mosfets

A ________ is a device that has two or more inputs and only one output.

8

(2 to the 3rd power)

What is the relationship between PRT and PRF?

A waveform with a positive PW of 5μsec. and a negative PW of 20usec is_________.

Level

Edge

What is the output voltage for the Binary Weighted D/A converter with 10011

(2) applied to the inputs and a HIGH(1) represents +12V ?

Signal

Generator

Positive

Bias

Negitive

Bias

Good current

Voltage amplification

Results in large power increase

Fidelity

Efficiency

Distortion

too large of input

Excessive forward bias

insufficient forward bias

Increases

Negitive Temperature Coefficient 

Characteristic Curve

Load Line

Sinusoldal   (Sine Wave Output)

Nonsinusoidal (Square, trigger, sawtoot)

1. Currents change at the rate of the input signal

2. All voltage changes at the rate of the input signal

3. Input and output are 180 degrees out of phase

4. Will be sinal increase at the output.

.9  (above is Saturation)

.3  (below is cutoff)      

   (.6 is normal range)

No stable State

Free Running

180 degrees out of phase

Known as a One-Shot or Start-Stop

One stable state

One output pulse for every input trigger

Also known as a Flip-Flop

Two stable states:  will stay until triggered

Requires input trigger to change condition

Two pulses in, one pulse out (Frequency Divider0

Width of the output pulses is determined by the prt of the input trigger

Vcc

Cathode

Nematic:  Liquid mateial that causes it to become visible when voltage is applied

Positive Display: ( Ambient light display)

Negative Display:  (Back light display )

Linear (Analog) 

Digital (Used in Computers)

Mixed  (Has both Analog and digital)

SSI (small)  Up to 100 components per chip

MSI (Medium)  From 100 to 3,000 Components per chip

LSI (Large) from 3,000 t0 100,000 components per chip

VLSI (Very Large) 100,000 to 1,000,000 per chip

ULTI (Ultra Large)  More than a Million per chip

Impedance Matching

In phase with each other