1. (a) Why is the input impedance to a JFET so high? (b) Define Threshold Voltage of a MOSFET (c) For a depletion-type MOSFET, the polarity of the gate voltage can be: positive; negative; positive or negative... which is true and why? (d) What makes the input impedance to a MOSFET so high? (e) What is the difference between Bipolar-Junction-Transistor (BJT) and Field-Effect-Transistors (FETS)?

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
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1. (a) Why is the input impedance to a JFET so high?
(b) Define Threshold Voltage of a MOSFET
(c) For a depletion-type MOSFET, the polarity of the gate voltage can be:
positive; negative; positive or negative... which is true and why?
(d) What makes the input impedance to a MOSFET so high?
(e) What is the difference between Bipolar-Junction-Transistor (BJT) and
Field-Effect-Transistors (FETS)?
Transcribed Image Text:1. (a) Why is the input impedance to a JFET so high? (b) Define Threshold Voltage of a MOSFET (c) For a depletion-type MOSFET, the polarity of the gate voltage can be: positive; negative; positive or negative... which is true and why? (d) What makes the input impedance to a MOSFET so high? (e) What is the difference between Bipolar-Junction-Transistor (BJT) and Field-Effect-Transistors (FETS)?
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