An impedance coil having a resistance of 20 ohms and all face of connected in parallel with a 0.4-uf capacitor. Calculate the resonant frequency () taking the resistance into account, (b) neglecting the resistance.
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- An impedance coil having a resistance of 30 ohms and a 50 cps inductive reactance of 33.3 ohmsis connected to a 125 volt 60 cps source. A series circuit consisting of a 20 ohm resistor and avariable capacitor is then connected in parallel with the coil. (a) for what values of capacitancewill the circuit be in resonance? (b) calculate the two values of line current for the condition ofresonance.Tuned Circuit Design Using a VARICAP (a) Refer to the capacitance curves for the Motorola 1N4002 The input tuning circuit of a standard analog FM radio is given below. Specify, that is design for, a voltage, capacitance, and inductance required to tune the circuit to the center frequency of KUMD-FM which operates at 103.3 MHz. Sketching and labeling a representative resonance curve is required to support your calculations. There is no single correct design answer set of values since it depends upon the voltage you initially select to tune your diode.Discus the Time Response Analysis and the Frequency Response Analysis. Discuss the Bode plot and Nyquist (Polar) plot to estimate the system stability and comment.
- Define resonant frequency and explain how the impedance of a network behaves at the resonant frequency?HIGH VOLTAGE(Can you explain in detail? Thank you) Q1 : A 100 kVA, 50 Hz, 230/50 kV testing transformer has an 10% leakage reactance and a 2% winding resistance. A cable of capacitance 100 nF is to be tested at 300 kV using this transformer as part of the resonance circuit. Determine the value of the inductance (with a Q-factor of 20) required to obtain resonance and the value of the input voltage required to obtain the required voltage.A coil of inductance 200µH and resistance 50.27ohms and a variable capacitor are connected in series to a 5 mV supply of frequency 2MHz. Determine (a) the value of capacitance to tune the circuit to resonance, (b) the supply current at resonance, (c) the p.d. across the capacitor at resonance,the bandwidth, and the half-power frequencies
- A circuit comprises of a coil (resistance of 20W, inductance of 400mH), and a capacitor of 2.0mF connected in series. A supply of 100V at 50 Hz is connected across the circuit. (i) Calculate the circuit: Impedance Phase angle Resonant frequency Q-factor Bandwidth (ii) How do each of the parameters in c., d., e., change if the coil is connected in parallel with the capacitor across the same supply?An R–L–C series circuit has a resonant frequency of 1.2 kHz and a Q-factor at resonance of 30. If the impedance of the circuit at resonance is 50 ohm determine the values of the inductance, and the capacitance. Also find the bandwidth, the lower and upper half-power frequencies and the value of the circuit impedance at the half-power frequencies.calculate the transfer function for the circuit shown 20log10 .Draw the amplitude graph of |H(jw)| and the phase angle graph of H(jw)? ,calculate the true cutoff frequency?,Calculate the real phase angle at the cutoff frequency?
- 3. Given a pass-band amplifier in 66MHz, design a frequency mixer that receives a 199.25 MHz signal and produce a 67.25 MHz signalSuppose the noise power at the input to a receiver is 5 nW in the bandwidth of interest. What would be the required signal power for signal–to–noise ratio of 30 dB? full solution thank you for the help!An impedance coil whose resistance and inductance are 18 ohms and 3.82 mH,respectively, is connected in parallel with a series combination of a 5.3 uF capacitorand a variable resistor. For what value of resistance will the circuit be in resonance at1000 cps?