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The Miller effect in the context of a Common Emitter amplifier explains
- a)an increase in the low-frequency cutoff frequency
- b)an increase in the high-frequency cutoff frequency
- c)a decrease in the low-frequency cutoff frequency
- d)a decrease in the high-frequency cutoff frequency
Correct answer is option 'D'. Can you explain this answer?
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The Miller effect in the context of a Common Emitter amplifier explain...
Miller effect increase input capacitance, so that there will be decrease in gain in the high frequency cutoff frequency.
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The Miller effect in the context of a Common Emitter amplifier explain...
The Miller effect in the context of a Common Emitter amplifier explains a decrease in the high-frequency cutoff frequency.
Explanation:
- **Miller Effect:** The Miller effect is a phenomenon in electronic circuits where the effective capacitance between two nodes is increased due to the presence of a voltage gain in the circuit.
- **Common Emitter Amplifier:** In a Common Emitter amplifier configuration, the input signal is applied to the base, and the amplified output signal is taken from the collector. The transistor acts as an inverting amplifier in this configuration.
- **High-frequency cutoff frequency:** In an amplifier circuit, the high-frequency cutoff frequency is determined by the combination of internal and external capacitances. It represents the frequency at which the gain of the amplifier begins to decrease.
- **Effect of Miller Capacitance:** The Miller effect introduces an additional capacitance between the input and output of the amplifier due to the voltage gain of the transistor. This increased effective capacitance reduces the bandwidth of the amplifier and shifts the high-frequency cutoff frequency to a lower value.
- **Decrease in high-frequency cutoff frequency:** Due to the Miller effect, the effective capacitance at the input of the amplifier is increased, causing the high-frequency response of the amplifier to be limited. As a result, the high-frequency cutoff frequency decreases, leading to a reduction in the bandwidth of the amplifier.
In conclusion, the Miller effect in a Common Emitter amplifier results in a decrease in the high-frequency cutoff frequency, which impacts the overall frequency response of the amplifier circuit.
Explanation:
- **Miller Effect:** The Miller effect is a phenomenon in electronic circuits where the effective capacitance between two nodes is increased due to the presence of a voltage gain in the circuit.
- **Common Emitter Amplifier:** In a Common Emitter amplifier configuration, the input signal is applied to the base, and the amplified output signal is taken from the collector. The transistor acts as an inverting amplifier in this configuration.
- **High-frequency cutoff frequency:** In an amplifier circuit, the high-frequency cutoff frequency is determined by the combination of internal and external capacitances. It represents the frequency at which the gain of the amplifier begins to decrease.
- **Effect of Miller Capacitance:** The Miller effect introduces an additional capacitance between the input and output of the amplifier due to the voltage gain of the transistor. This increased effective capacitance reduces the bandwidth of the amplifier and shifts the high-frequency cutoff frequency to a lower value.
- **Decrease in high-frequency cutoff frequency:** Due to the Miller effect, the effective capacitance at the input of the amplifier is increased, causing the high-frequency response of the amplifier to be limited. As a result, the high-frequency cutoff frequency decreases, leading to a reduction in the bandwidth of the amplifier.
In conclusion, the Miller effect in a Common Emitter amplifier results in a decrease in the high-frequency cutoff frequency, which impacts the overall frequency response of the amplifier circuit.
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The Miller effect in the context of a Common Emitter amplifier explainsa)an increase in the low-frequency cutoff frequencyb)an increase in the high-frequency cutoff frequencyc)a decrease in the low-frequency cutoff frequencyd)a decrease in the high-frequency cutoff frequencyCorrect answer is option 'D'. Can you explain this answer?
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The Miller effect in the context of a Common Emitter amplifier explainsa)an increase in the low-frequency cutoff frequencyb)an increase in the high-frequency cutoff frequencyc)a decrease in the low-frequency cutoff frequencyd)a decrease in the high-frequency cutoff frequencyCorrect answer is option 'D'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about The Miller effect in the context of a Common Emitter amplifier explainsa)an increase in the low-frequency cutoff frequencyb)an increase in the high-frequency cutoff frequencyc)a decrease in the low-frequency cutoff frequencyd)a decrease in the high-frequency cutoff frequencyCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The Miller effect in the context of a Common Emitter amplifier explainsa)an increase in the low-frequency cutoff frequencyb)an increase in the high-frequency cutoff frequencyc)a decrease in the low-frequency cutoff frequencyd)a decrease in the high-frequency cutoff frequencyCorrect answer is option 'D'. Can you explain this answer?.
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