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 11ST
When a negative gate-to-source voltage is applied to an "-channel MOSFET. it operates in the
- cutoff state
- saturated state
- enhancement mode
- depletion mode
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An enhancement-mode n-channel MOSFET has gate-source threshold voltage VTR = +2V and source-drain conductance parameter K = 1.0 mA/V2 (= the constant of proportionality between source-drain current and the square of the excess of gate-source voltage over the threshold voltage, when the MOSFET is in constant-current or saturation mode). Its source terminal is connected to ground. The gate terminal is connected direct to the drain terminal and also to one end of a 1 kΩ resistor. The other end of this resistor is connected to the +15V supply. (i) Show that, assuming it is conducting at all, the MOSFET is operating in constant-current (i.e., saturation) mode; (ii) calculate the current in the resistor and the voltage across it.
Pls help me with this problem:Calculate the dc bias values of Ic and Vc for the matched transistors of the circuit given below
Draw the symbol of enhancement and depletion N 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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- Question : The current in an enchcement mode NMOS transistor bised in saturation mode was measured to be 1 mA at a drain source voltage of 5v . when the drain source voltage was increased to 6v while keeping gate source voltage same. The drain current increase to 1.02 mA.Assume that drain to source saturation voltage is much smaller than the aaplied drain source voltage . the channel length modulation parameter λ(in v-1)isarrow_forwardThe maximum drain current for the n-channel enrichment type MOSFET is 30 mA.Determine VGS with this current level if k= 0.06x10-3 A/V2 and VT is the maximum value.arrow_forward(b) List the steps needed to test any four-terminal MOSFET with the same setup to determine which terminal is the gate, which terminal is the body, whether the device is a N-channel or P-channelMOSFET, and whether the device is a D-mode or an E-mode.arrow_forward
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- 1- In an n-channel enhancement MOSFET the threshold voltage is 3V, if the gate voltage applied is 1V, what will be its drain current? 5mA 15mA 0mA 10mA Clear my choicearrow_forwardDefine the type of transistors and the region of operation (cut-off, linear, saturation) for each transistor. Assume Vdd = 3.3V and thresholds VTn = |VTp| = 1.4V . VDSATn = |VDSATp| = 1.0V . Explain your answer. PART D PLEASEarrow_forwardIn your own words, briefly describe the basic operation of an E-MOSFET.arrow_forward
- 5. In your own words, briefly describe the difference between the basic operation of a pchannel depletion-type MOSFET and p-channel Enhancement-type MOSFET.arrow_forward(b) For an n-channel enhancement MOSFET with threshold voltage of 2.5V, determine the current at values of gate-source voltage(i) VGS= 4V and(ii) VGS= 6V [k=0.3mA/V2] (c) Determine the values of transconductance for an n-channel enhancement MOSFET having threshold voltage VT = 3V at the following operating points(i) 6V and(ii) 8Varrow_forwardSketch all applicable depletion regions for an n-channel MOSFET when the source and drain remain grounded, but an appropriate voltage is applied to the gate to induce a channel.arrow_forward
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How a MOSFET Works - with animation! | Intermediate Electronics; Author: CircuitBread;https://www.youtube.com/watch?v=Bfvyj88Hs_o;License: Standard Youtube License