Transistors MOD

Two

A bipolar transistor has _____ PN junctions

NPN

A bipolar transistor which utilizes a P-type region which is sandwiched between two N-type regions is referred to as an_____ transistor.

PNP

A bipolar transistor which utilizes an N-type region which is sandwiched between two P-type regions is referred to as a _____ transistor

Pure means

Intrinsic materials

Emitter

The _____ junction in a bipolar transistor is usually forward-biased.

Collector

The _____ junction in a bipolar transistor is usually reverse-biased.

Emitter

The junction formed between the emitter and base regions is called the ______ junction.

NPN Transistor

a bipolar transistor with a P-type base, and an N-type emitter and collector

PNP Transistor

a bipolar transistor with an N-type base, and a P-type emitter and collector

Collector

a terminal in a bipolar transistor which receives 95-99% of current from the emitter

Transistor

a three element component used to control electron flow

Gain

any change in current, voltage or power between the input and output of an amplifier

Amplifer

any circuit which increases in magnitude one particular aspect of that signal as an output

3 circuit arrangment

common-base common-emitter common-collector

Emitter Follower

common-collector circuit is often called

Input

in a common- emitter circuit IB serves as the ______ current.

Base and Collector

in the common- collector circuit, the input signal is applied between the _____ and _____ regions of the transistor.

Forward

regardless of the type of circuit arrangement used, the transistor's emitter junction must always be _____-biased

Emitter Junction

the PN junction shared by the emitter and base in a bipolar transistor

current, voltage, power amplification

the common emitter circuit is the only circuit that provides _______, _______, and _______

Emitter

the common-_______ circuit arrangement provides the highest power amplification

Voltage and Power

the common-base circuit provides______ amplification

Load

the component connected to the output of a common- base, common-emitter, or common- collector is commonly referred to as a

Power Gain

the current does provide a substantial amount of

Emitter Current (IE)

the current that flows to or from the emitter terminal for both the bipolar and uni-junction transistors

Collector Current (Ic)

the current which flows from the collector terminal of a bipolar transistor to the source voltage

Base Current (IB)

the current which flows through the base terminal to the source voltage in a bipolar transistor

Collector Junction

the junction in as bipolar transistor formed by the base and the collector terminals

Alpha

the ratio of emitter current (IE) to collector current (Ic)is referrred to as the transistor's alpha (a) and is always less than one

Beta

the ratio of the base current (IB) to collector current (Ic) is known as beta (B) and can be used to describe the amount of gain in a common- emitter

Base

the region between the emitter and the collector in a Bipolar Transistor

Emitter

the terminal in a bipolar transistor which is the primary origin of current flow within the device