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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
Q. The following data were obtained on a 25- kVA, 2400:240-V, 60-Hz, single-phase distribution transformer: • Open-circuit test with meters on LV side: 240 V, 3.2 A, 165 W •
PlZ Explain broooooo ..? What is Miller circuit and bootstrap I have xm tomrow and I am not getting answers soo plz.
Q. What will be the effects of an increase in real national income on the interest rate? Answer: An enhance in real national income will increase the interest rate. If
how to find z bus matrix
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what are the most 4 types of doping techinques in semiconductors
Explain the Discrete Time Systems? A system operates on an input signal, x[n] and output the results, y[n]. For example, a digital filter (a system) can be represented by the f
The pre-processing unit is responsible for taking the conditioned output from the heart sensor and generating a binary count during time T1 of this waveform (datain). It will compr
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