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Q. Internal Frequency Compensation of operational amplifier?
Some op amps, such as the 741, have internal RC networks which are intentionally designed to reduce gain at high frequency. The result is that the open-loop gain begins to fall at a few hertz and then has a characteristic falling at 20 dB/decade or 6 dB/octave (i.e., gain ∝ 1/f ) until eventually the gain becomes unity (0 dB) at about 1 MHz.
Q. What do you mean by Frequency Response? As with all electronic circuits, op amps have limited frequency response. Because of the negative feedback of the circuit, the passba
Q. Carrier Modulation by Digital Signals? Digitally modulated signals with low-pass spectral characteristics can be transmitted directly through baseband channels (having low-p
Question: General EMC Knowledge (a) Give 2 reasons for the augmentation of electromagnetic radiation in urban regions. (b) Pointe aux Diable bears its name due to the a
What are the modes used in display modes? 1. Left Entry mode In the left entry mode, the data is going into from the left side of the display unit. 2. Right Entry Mode
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Q. A current i(t) = 20 cos(2π × 60)t A flows through a wire. Find the charge flowing, and the number of electrons per second that are passing some point in the wire.
Q. Consider the non inverting amplifier. Let R i = 1k and R f = 2k. Let the op amp be ideal, except that its output cannot exceed ±12 V at a current of ±10 mA. (a) Find the
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