Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Textbook Question
Chapter 17, Problem 10ST
When the gate-to-source voltage of an n-channel JFET is increased, the drain current
- decreases
- increases
- stays constant
- becomes zero
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Redraw the JFET in the figure below showing how to connect a bias voltage between the gate
and source.
+VDD
Rp
specified Pinch- off Voltage of
=0, what is Vos at the
91
A JFET has a
5 V. when Vos
Point where the drain current become Constant?
Small amount of space it takes on a chip
O All of the above
7. The main types of field effect transistor are
O BJT and FET
O UJT and FET
O JFET and MOSFET
O None of the above
9.The arrow on the symbol of MOSFET indicat
that it is a N-channel MOSFET
the direction of electrons
O the direction of conventional current flow
O that it is a P-channel MOSFET
Chapter 17 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 17 - In a bipolar transistor, if the base-emitter...Ch. 17 - When a transistor is saturated. an increase in...Ch. 17 - Prob. 3TFQCh. 17 - The power gain of a CC amplifier is the same as...Ch. 17 - A class B amplifier is more efficient than a class...Ch. 17 - A JFET is always operated with the gate-source...Ch. 17 - Prob. 7TFQCh. 17 - The transconductance of a FET is the ratio of ac...Ch. 17 - Prob. 9TFQCh. 17 - The input to a feedback oscillator is only the...
Ch. 17 - The n-type regions in an npn bipolar junction...Ch. 17 - The n-region in a pnp transistor is the base...Ch. 17 - Prob. 3STCh. 17 - Prob. 4STCh. 17 - Prob. 5STCh. 17 - Alpha () is the ratio of collector current to...Ch. 17 - If the beta of a certain transistor operating in...Ch. 17 - If the base current of a transistor operating in...Ch. 17 - Prob. 9STCh. 17 - When the gate-to-source voltage of an n-channel...Ch. 17 - When a negative gate-to-source voltage is applied...Ch. 17 - Prob. 12STCh. 17 - If the capacitor from emitter to ground in a CE...Ch. 17 - When the collector resistor in a CE amplifier is...Ch. 17 - The input resistance of a CE amplifier is affected...Ch. 17 - The output signal of a CE amplifier is always in...Ch. 17 - The output signal of a common-collector amplifier...Ch. 17 - The largest theoretical voltage gain obtainable...Ch. 17 - In a class A amplifier, the output signal is...Ch. 17 - A class A amplifier conducts for 90 of input cycle...Ch. 17 - Prob. 21STCh. 17 - Feedback oscillators operate on the principle of...Ch. 17 - What is the value of IC for IE=5.34mA and IB=475A?Ch. 17 - Prob. 2PCh. 17 - Prob. 3PCh. 17 - In a certain transistor circuit, the base current...Ch. 17 - Find IB,IE, and in Figure 17-70 given that DC=0.98...Ch. 17 - The transistor in Figure 17-70 is replaced with...Ch. 17 - Prob. 7PCh. 17 - Prob. 8PCh. 17 - Determine IB,IC, and VC in Figure 17-72.Ch. 17 - For the circuit in Figure 17-73, find VB,VE,IE,IC,...Ch. 17 - In Figure 17-73, what is VCE? What are the Q-point...Ch. 17 - A transistor amplifier has a voltage gain of 50....Ch. 17 - To achieve an output of 10 V with an input of300...Ch. 17 - A 50 mV signal is applied to the base of a...Ch. 17 - Determine the voltage gain for Figure 17-74.Ch. 17 - Determine each of the dc voltages, VB,VC, and VE,...Ch. 17 - Determine the following dc values for the...Ch. 17 - Determine the following ac values for the...Ch. 17 - The amplifier in Figure 17-76 has a variable gain...Ch. 17 - If a load resistance of 600 is placed on the...Ch. 17 - Determine the voltage gain for the...Ch. 17 - What is the total input resistance in Figure...Ch. 17 - A load resistance is capacitively coupled in the...Ch. 17 - Prob. 24PCh. 17 - Determine the maximum peak output voltage and peak...Ch. 17 - The efficiency of a certain class B push-pull...Ch. 17 - Prob. 27PCh. 17 - The transistor in Figure 17-80 has a DC of 150....Ch. 17 - The VGS of ap-channel JFET is increased from 1 V...Ch. 17 - Why must the gate-to-source voltage of an...Ch. 17 - Draw the schematic symbols for n-channel and...Ch. 17 - Explain why both types of MOSFETs have an...Ch. 17 - In what mode is an n-channel D-MOSFET operating...Ch. 17 - A certain E-MOSFET has a VGS(th)=3V. What is the...Ch. 17 - For each circuit in Figure 17-81, determine VDS...Ch. 17 - Prob. 36PCh. 17 - Each E-MOSFET in Figure 17-83 has a VGS(th) of +5...Ch. 17 - Prob. 38PCh. 17 - Find the gain of each amplifier in Figure 17-85.Ch. 17 - Determine the gain of each amplifier in Figure...Ch. 17 - If the voltage gain of the amplifier portion of a...Ch. 17 - Generally describe the change required to the...Ch. 17 - Prob. 43PCh. 17 - Prob. 44PCh. 17 - Prob. 47PCh. 17 - Prob. 48PCh. 17 - Prob. 49PCh. 17 - Prob. 50PCh. 17 - Prob. 51PCh. 17 - Prob. 52PCh. 17 - Open file P17-53. Determine if the circuit is...
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- The data sheet of a JFET gives the following information: IDSS = 3 mA, VGS(off)= - 6 V, and gm(max)= 5000 . For VGS = - 4 V. find the drain current.arrow_forward* In a pnp transistor, the p regions are base and emitter O base and collector emitter and collector * An SCR can be turned off by forced commutation O a negative pulse on the gate anode current interruption forced commutation and anode current interruption Oarrow_forwardThe junction between the base and collector of a transistor is called: Collector Junction Emitter Junction O Source Junction Base Junctionarrow_forward
- Quèstion 9 In D-MOSFET, Ipss is the maximum Drain current True False L A Moving to another question will save this response. O Type here to searcharrow_forwardThe VGS of a p -channel JFET is increased from 1 V to 3 V. (a) Does the depletion region narrow or widen? (b) Does the resistance of the channel increase or decrease?arrow_forwardIn the voltage divider bias find the value of emitter voltage and emitter to collector voltage if we have R1=10K , R2=5K , Rc=5K „Re=10K ,Vcc=15V and B ,Vbe is equal to zeroarrow_forward
- A varactor is a pn junction diode that always operates in reverse-bias and is doped to maximize the inherent capacitance of the depletion region. Select one: True O Falsearrow_forwardSolve for the drain voltage and drain current. VDD=5, k=75uA/V2 , Vth=0.75V, R=100. Use iD=(1/2)k(VSG- l VTH l)2.arrow_forwardIn n-channel JFET, at pinch off voltage, the drain current isarrow_forward
- The value of drain to source voltage at which drain current is constant is usually referred as Cut-in voltage O None of the given choices Cut-off voltage Pinch-off voltagearrow_forwardWhich of the following is a type of Metal Oxide Semiconductor Field Effect Transistor: O Pchannel JFET O None of them O N channel E- MOSFET O N channel JFETarrow_forwardThe gate-to- source voltage is equal to-arrow_forward
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