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A series-tuned antenna circuit consists of a variable capacitor (40 pF to 360 pF) and a 240-µH antenna coil which has a dc resistance of 12 Ω.
(a) Find the frequency range of radio signals to which the radio is tunable.
(b) Determine the value of Q at each end of the frequency range.
Paper that talks about isolator in integrated circuit - Please be specific and state the details.
A constant (dc) current i(t) = 3 mA flows into a 51-F capacitor. The voltage at t = 0 is v(0) = -21V . The references for v(t) and i(t) have the passive configuration. A) Find the power at t=0. B) State whetehr the power flow in into or out of the ..
A 0.2 kg plastic cart and 20 kg lead cart both roll without friction on a horizontal surface. Equal forces are used to push both carts forward a distance of 1 m, starting from rest. Is the kinetic energy of the plastic cart greater than, less than..
Digitizing an Audio Signal, PAM, ADC, An audio signal has a bandwidth that extends from 100 Hz to 10 kHz. The signal is sampled to create a PAM signal and then digitized by an analog to digital converter (ADC) that has 8 bits.
An Internet service provider has three different subscription packages for its customers: Package A: For $9.95 per month 10 hours of access are provided. Additional hours are $2.00 per hour. Package B: For $14.95 per month 20 hours of access are pr..
Given a co-axial cable to which Pinner = a and Pouter = b energized +Q, -Q where -+Q is the inner cable charge. a) Find E' for a
A coil of wire would around a toroid. The core has a length of 12.5 cm, a cross sectional area of 8cm2, and a relative permeability of 200. Calculate the equivalent reluctance of the core.
a temperature sensor has a static transfer function of 0.15 mvcdeg and a time constant of 3.3 s. if a step change of
Gaussian random variable W is known to have P[W>4] = 1/2. Based on this information, (a) sketch its possible PDF. (b) Now also assume that Var[W] is very small. Refine your sketch in the first part taking into account this new information.
Derive equations for the capacitance, and resistance across the dielectric of a coaxial line of inner conductor radius a, and outer conductor radius b, and permittivity ε.
A 240kW 500 Volt 1750rpm separately excited dc generator has an overall efficiency of 94%. The shunt field resistance is 60ohms, and the rated current is 5amps. The I^2R loss in the armature is 0.023pu.
If the desired rolloff frequency is 15 Hz and C = 10 µF, find the value of R.
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