Operational Amplifier Fundamentals – 77

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77. An RC network has R = 47 kΩ and C = 0.22 μF. What is the cutoff frequency?

(a) 154 Hz
(b) 1540 Hz
(c) 1.54 Hz
(d) 15.4 Hz

Answer

Answer : (d)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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Operational Amplifier Fundamentals - 75
5555555555 75. An RC network has R = 500 kΩ and C = 10 pF. Find the value of fc. (a) 31831 Hz (b) 31.831 kHz (c) 0.031831 MHz (d) all of the above
Tags: operational, amplifier, fundamentals, rc, network, kω, hz, electronics, engineering
Operational Amplifier Fundamentals - 108
5555555555108. What is the cutoff frequency of an op-amp if the unity-gain frequency is 1.5 MHz and the open-loop gain is 100,000? (a) 5 Hz (b) 10 Hz (c) 15 Hz (d) 20 Hz
Tags: hz, frequency, operational, amplifier, fundamentals, cutoff, electronics, engineering
Operational Amplifier Fundamentals - 79
555555555579. An op-amp has an open-loop gain of 100,000 and a cutoff frequency of 40 Hz. Find the open-loop gain at a frequency of 30 Hz. (a) 800 (b) 8,000 (c) 80,000 (d) 100,000
Tags: frequency, hz, operational, amplifier, fundamentals, cutoff, electronics, engineering
Operational Amplifier Fundamentals - 163
5555555555163. What is the frequency of this 555 astable multivibrator? (a) 278 Hz (b) 178 Hz (c) 78 Hz (d) 8 Hz
Tags: hz, operational, amplifier, fundamentals, frequency, electronics, engineering
Operational Amplifier Fundamentals - 182
5555555555182. What is the cutoff frequency of this low-pass filter? (a) 4.8 kHz (b) 3.8 kHz (c) 2.8 kHz (d) 1.8 kHz
Tags: operational, amplifier, fundamentals, cutoff, frequency, electronics, engineering

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