Electronic Devices (Conventional Current Version) (What's New in Trades & Technology) (10th Edition)

Chapter 7

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Power gain will increase. ; When a speaker of ... more

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Efficiency will increase but the speaker coil will... more

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Dissipation of heat. ; The power transistor during... more

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Collector lead ; In the case of the power ... more

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Cutoff clipping and saturation clipping. ; If the ... more

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or ; The efficiency is calculated by the ... more

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; The power gain is calculated by the division ... more

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and ; Output peak voltage is the same as the ... more

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and ; Output peak voltage is the same as ... more

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and ; Output peak voltage is the same as ... more

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Change in output voltage. ; As the bias resistors ... more

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and ; Output peak voltage is the same as ... more

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at cutoff. ; The Q-point for a class B amplifier ... more

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The barrier potential present at the junction of ... more

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or ; The efficiency is calculated by the ... more

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Push-pull configuration reproduces both positive ... more

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Class B amplifiers are biased at the cutoff but ... more

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Less voltage is used to turn on the transistors... more

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; The time period is calculated by taking the ... more

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There will be a decrease in the efficiency of the ... more

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When the tank circuit tuned to the second harmonic... more

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Below cutoff point. ; A class C amplifier is ... more

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To have a sinusoidal voltage at the output. ; A ... more

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; The efficiency is calculated by the division ... more

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Input voltage is too large. ; When the input ... more

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The bypass capacitor is open. ; In the provided ... more

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The input signal has a noise of . ; A hum can ... more

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; The input resistance can be roughly ... more

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; The voltage gain here can be calculated by ... more

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; From the provided measurement, the peak output ... more

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; From the provided measurement, the peak output ... more

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The value of calculated voltage gain is and the ... more

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; From the provided measurement, the peak output ... more

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; From the provided measurement, the peak output ... more

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; From the provided measurement, the peak output ... more

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The circuit board and the circuit schematic are in... more

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; In the circuit board, the terminal ends on the ... more

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The transistor at the output is at fault. ; In the... more

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The connections between the preamplifier circuit ... more

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In a class A amplifier the output power is much ... more

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The Q-point must be in the center of the load line... more

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The power dissipation of the transistor is the ... more

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The efficiency is the factor that tells about how ... more

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During the operation of a class B amplifier, it ... more

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When two class B amplifiers are used to conduct ... more

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The class AB amplifier is used to remove the ... more

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To implement a current mirror, a normal diode can ... more

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The regular push-pull amplifier has a low input ... more

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During the operation of a class C amplifier, the ... more

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During the operation of a class C amplifier, the ... more

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A tuned circuit or a tank circuit is applied at ... more

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The value of voltage gain is dependent on the ... more

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As the resistor is bypassed by the capacitor, AC ... more

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Opening of the capacitor will not lead to an ... more

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The voltage across the resistor is the same as ... more

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For the provided circuit, the output peak voltage... more

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An increase in the value of the load resistor ... more

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With a decrease in the load resistance, the output... more

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The ac output power is directly proportional to ... more

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The voltage gain is provided by the division of ... more

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The value of resonant frequency is inversely ... more

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The amplifier that operates entirely in the linear... more

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The mentioned value cannot be the value of the ... more

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The power rating of a supply does not affect the ... more

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When the value of the quiescent current is half of... more

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The maximum value of the output is calculated by ... more

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The ratio of output power to input power of the ... more

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The efficiency is calculated by the division of ... more

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Class C amplifiers are biased inside the cutoff ... more

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In the class A amplifier, the output is the same ... more

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When a class B amplifier in push-pull ... more

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When a current mirror is used in a push-pull ... more

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Provided value is the efficiency of the class A ... more

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From the calculation done for ac collector ... more

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The maximum value of the efficiency of the class ... more

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As the class C amplifier only conducts for a short... more

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The efficiency of the class C amplifier is more ... more

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Only class AB amplifier conducts the input signal ... more

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Change the npn transistor with a pnp transistor ... more

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; The voltage gain of the common-collector (CC) ... more

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The quiescent point (Q-point) remains unaltered... more

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For Q-point and ; To find out the quiescent point... more

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28 ; Voltage gain is calculated by dividing ... more

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; To find out the quiescent point (Q-point) of ... more

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and ; First calculate the Thevenin equivalent ... more

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The saturation collector current is calculated by... more

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; As the values of the resistors  and  are equal... more

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The power gain is calculated by dividing the ... more

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; Apply Kirchhoff's voltage law at the collector-... more

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; For a class C amplifier, the average power ... more

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; The resonant frequency is inversely ... more

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; For a tuned class C amplifier, the peak-to-peak... more

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; The output power is calculated by dividing the... more

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The positive half of the input signal is observed ... more

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First, check all the connections and then check if... more

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The possible fault is in the power amplifier or ... more

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The output will be . ; As the base-emitter ... more

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The output will be . ; When transistor 5 is open ... more

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The diode in vertical placement is connected in ... more

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; Using the provided graph between temperature ... more

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; On comparing the power dissipated at in case ... more

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When the collector current is increasing, the dc ... more

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; On examining the graph, it is clear that when ... more

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For a given condition when both the ambient ... more

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; The value for saturation current is calculated... more

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; For designing the amplifier, consider the ... more

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; Current across resistor and have same value... more

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