Page 12 - ebook PdP FET

TABLE OF CONTENTS
CHANNEL

Channel is a current path between the Source and Drain terminals,
sandwiched between the two gates and the majority carriers move
through this channel. CHAPTER 4

The channel of a FET is doped to produce either an n-type
semiconductor or a p-type semiconductor.

N CHANNEL

N type semiconductor.

Electron as majority current CHAPTER 3
carrier.
Two P-type substrates doped at
the opposite sides of its middle
part.
Two PN junctions are formed.

P CHANNEL

P type semiconductor. CHAPTER 2

Holes as majority current carrier.
N-channel JFET has a
greater current
Two N-type substrates doped at
conductivity due to lower
the opposite sides of its middle
channel resistance than
P-channel types, since
part.
electrons have higher
mobility through a
Two PN junctions are formed.
conductor compared to
holes.
CHAPTER 1
This makes the N-channel
JFET more efficient than
P-channel .

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