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Q. Explain Inductorless Filters
Inductorless (Active) Filters
Filters (used to pass or eliminate certain frequency components of a signal) that are suitable for IC fabrication, but which do not contain inductors, are known as active filters. They have the op amp as a common component. Figure 5.4.13 shows the basic op-amp circuit with frequency-dependent impedances. The voltage gain or voltage transfer function of this circuit is given by
with Zi = Ri and Zf = Rf (1/j ωCf ) (i.e., Rf and Cf in parallel). We have a low-pass filter with
is sketched in Figure 5.4.14, from which one can see that at the half-power or 3-dB point of fl, the dc value Rf /Ri goes down by a factor of 1/ √ 2 or 0.707. With Zf = Rf and Zi = Ri + 1/j ωCi (i.e., Ri and Ci in series), we have a high-pass filter for which we obtain
Hard magnetic materials are used for making (A) Permanent magnets. (C) Conductors. (B) Insulator. (D)Temporary magnets. Ans: Hard magnetic materials are
How clock signal is generated in 8086?what is the maximum internal clock frequency of 8086? Clock input 33% square wave from external clock generator .the external clock genera
show the decoding logic for 11011 code if an active high and an active low output required
Apparatus for BCD to excess 3 convertor using nand and nor gates
Explain Quantizing Analog Signals? A common analog-to-digital conversion pipeline contains a spectrum limiter (a simple low-pass or bandpass filter), a sample and hold circuit
1. The voltage across a 1 - μF capacitor is given. Which is the sinusoidal expression for the current? a) 30 sin200t b) 70cos (800t - 20°) 2. At what frequency will the re
Theoretical Circuit The theoretical circuit is available in form 1.Passive materials with mediocre dimension is used by the manufacturer. In order to make a theoretical circuit
Q. In the Wheatstone bridge circuit shown in Figure, R 1 = 16, R 2 = 8, and R 3 = 40; R 4 is the unknown resistance. RM is the galvanometer resistance of 6 . If no current
What is TPA (transient program area)? The memory system is divided in three major parts: transient program area, System is and XMS that is extended memory system.
Interrupt latency refers to the amount of time among when an interrupt is triggered and when the interrupt is observe by software.
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