Consider the circuit shown in Figure 7.15 with parameters
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Microelectronics: Circuit Analysis and Design
- Problem 3 – Resonance in AC networks [8] The parameters of a series RLC circuit are R = 1 kQ, L = 8 mH and C = 20 pF. The applied voltage is 20 V rms of variable frequency. Determine the following: (a) Resonant frequency. (b) Current at resonance. (c) Q-factor (d) Voltage across the inductor at resonance. (e) Voltage across the capacitor at resonance. (f) Lower and upper half power frequencies. (g) Bandwidth.arrow_forwardQ.1 The fundamental period of the signal x(t) = 10cos² (10nt) is A. To = 0.5 B. To = 0.2 C. No fundamental period exists. D. To = 0.1 E. No fundamental period exists. F. None of the given answers.arrow_forwardQ6-) If NBFM signal passes through a frequency multiplier. With β< 0.5 and fc=200kHz. Let fm ranges from 50Hz to 15kHz, and let the maximum frequency deviation Δf at the output be 75kHz. Find the required frequency multiplication n and the maximum allowed frequency deviation at the input.arrow_forward
- 7-18 Abasehand signal having components from near de to 8 kHz is used to frequency modulate a high-frequency carrier, and the maximum frequency deviation is set al +12 kHz. Delermine the approximatle transmission bandwidth.arrow_forwardIdentify all the TRUE statements below. A) At resonance, there is no voltage drop across the individual reactive elements of the circuit._ B) At resonance, there is no net voltage drop across all the reactive elements of the circuits. C) To minimize the impact of capacitance in an AC series circuit, set its value close to zero. D) To minimize the impact of inductance in an AC series circuit, set its value close to zero. E) At resonance, Xc and XL are always zero. F) At resonance, Xc = X_ and can be very large. G) Decibels on the magnitude axis of the Bode Plot represent voltage gain (or loss). H) Decibels always represent power gain (or loss) which is the square of the voltage gain (or loss)._arrow_forwardA Spectrum Analyzer is used to measure: a) Power in da of Fundamental and Harmonic Frequencles b) Power in dB of Fundamental and intermodulation Distortion Products c) Voltages in de of Fundamental and Intermodulation Distortion Products. d) Both a andbarrow_forward
- How it is generated Single Sideband Modulator Using Filter Methodarrow_forwardFor the given circuit below, the RF generator is set to EXT MOD, 500kHz. RF GEN 500KHZ R1 2702 R2 10K ELECTRONIC VOM 0.0047pF a) What is this circuit? b) Is there an RF signal across R2? c) Draw the expected signal waveform across R1 d) Draw the expected signal waveform across R2 e) What is the expected frequency of the signal across R2?arrow_forward1. Derive the lower cut-off frequency for the basic RC high-pass circuit in Figure 1. R, Figure 1.arrow_forward
- what is the comparison and contrast of Amplitude Modulation,Single Sideband and Double Sideband?arrow_forwardIdentify all the TRUE statements below. A) At resonance, there is no net voltage drop across all the reactive elements of the circuits. B) To minimize the impact of capacitance in an AC series circuit, set its value close to zero. C) To minimize the impact of inductance in an AC series circuit, set its value close to zero. D) At resonance, Xc and XL are always zero. E) At resonance, power is maximized and phase shift is zero. F) At resonance, X = XL. %3D G) At resonance net reactance is zero. H) Capacitance is the measure of how difficult it is to store charge for a given voltage. The higher the capacitance, the more voltage it takes to store charge on it. F hp H. B. C. E.arrow_forwardTransmitter: a carrier frequency of 108 kHz and a modulating frequency of 0.3 kHz to 3.4 kHz is applied to an amplitude modulator. The USB and the LSB are both transmitted to the distant receiver, with a suppressed carrier. Receiver: the resultant USB and LSB from the transmitter are input to an amplitude demodulator. A carrier frequency of 108 kHz is reintroduced to the demodulator. Determine the following: 1. The LSB and USB at the output of the modulator. 2. The LSB and USB at the output of the demodulator.arrow_forward
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