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