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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
Discuss the function of instruction queue in 8086? In 8086, a 6-byte instruction queue is presented at the Bus Interface Unit (BIU). It is used to pre fetch and store at the ma
1. A 230/1000V 50 Hz, single phase transformer has the following test data: Open circuit test (L.V.) Primary voltage = 230V Primary current = 1.30 A Input power
Determine the node voltage by using KCL: Determine the node voltage V and then current flowing through each element by using KCL. Solution Apply KCL at the node whose
(a) Illustrate the concept of Part Families ? (b) Explain briefly the general process to solve the problem of grouping the parts into families.
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A 500-hp, wye-connected, wound-rotor induction motor, when operated at rated voltage and frequency, develops its rated full-load output at a slip of 0.02; maximum torque of 2 times
Addition of binary numbers Example: Add 110010102 ( -510). and 00000101 2 (+5 10 ) Solution : Binary signed
For an operating point half way up the parallel section and the discharge valve and the discharge fully open, design a proportional only controller which will give closed loop dyna
Human Resources - KPI It is the responsibility of management to have the lean, capable, customer friendly organization that strives for catering to diversified need of all the
Q. Explain the working principle of a d.c. generator. Explain clearly the function of commutator in d.c. machines. Sol. Working principle of a D.C. generator: For the 2- po
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