please don't provide other website answers 828. How do you design filters for automotive radar interference?
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Common sources include other radar systems, communication devices, and electronic components within the vehicle. Show more…
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Madhur L.
Radio jamming is the intentional disruption or interference of radio communications by overwhelming the intended receivers of the signal with random noise. You and your team have been tasked with jamming a specific radio signal at $720 \mathrm{kHz}$. You have access to a high-powered transmitter, but the part of its circuitry that tunes the broadcast frequency, called the tank circuit, has been damaged. A tank circuit is a series RCL circuit whose resonance frequency determines the frequency broadcasted by the antenna. At your disposal are two $220-\Omega$ resistors, one variable capacitor that ranges from 2.0 to $6.0 \mathrm{nF},$ and four inductors with the following values: $L_{1}=5.0 \times 10^{-6} \mathrm{H}, L_{2}=7.2 \times 10^{-6} \mathrm{H}, L_{3}=6.5 \times 10^{-5} \mathrm{H}$ and $L_{4}=5.4 \times 10^{-6} \mathrm{H} .$ (a) If you set your variable capacitor at the center of its range, what must be the value of the inductance of your RCL circuit so that it resonates at $720 \mathrm{kHz}$ ? (b) How should you configure the available inductors to give you the needed equivalent inductance? (Hint: the rules for adding inductors in series and parallel are the same as for resistors.) (c) With the inductance set as calculated in (a), what resonant frequency range does the variable capacitor provide? (d) The two resistors can be configured to give different equivalent resistance values. How should you configure the resistors in the RCL circuit in order to maximize the current at the resonant frequency? (Refer to Section 23.4.)
Q2. The experiment results in the table below which measured for the filter: 300 350 400 450 500 550 600 650 700 750 (HZ) -23 -21 -19 -16 -15 -16 -5 -6 -22 -24 (dB) Find: 1. The type of the filter: 2. The cut off frequencies and B. W.
Umar Sohail Q.
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