Q3/ Find the lower cutoff frequency, if Vec= 20v, B=100, cs =10µF, cE= 20 µF, CC=1 Rs= Ik, RI=40k ,R2= 10k , Rc=4k ,RE=2k ,RL=2.2k. Lur
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- 70) A coil of resistance 25 Ω and inductance 150mH is connected in parallel with a 10 μF capacitor across a 60V, variable frequency supply. Calculate (a) the resonant frequency, (b) the dynamic resistance, (c) the current at resonance, (d) the Q-factor at resonance.A TRF receiver is to be designed with a single tuned circuit using a 10 mH inductor. Calculate the capacitance range of the variable capacitor required to cover the entire AM band and also calculate the bandwidth of this receiver of 540 kHz and 1600 kHz. (Q = 110)A coil of inductance 0.20H and resistance 60[1] is connected in parallel with a 20μF capacitor across a 20V, variable frequency supply. Calculate (a) the resonant frequency, (b) the dynamic resistance, (c) the current at resonance and (d) the circuit Q-factor at resonance.
- The circuit of the given figure represents the first three stages of a typical AM or FM receiver. Find the following: a.) Total power gain APT(dB) b.) Pin(dBm) c.) Pout(dBm)A TRF receiver is to be designed with a single tuned circuit using 10 µH inductor. Calculate the capacitance range of the variable capacitor required to cover the entire AM band (535-1605 kHz) and also calculate the bandwidth of this receiver at 540 kHz and 1600 kHz assuming Q=110.For the following statements, identify which are True and which are False. If False, please explainin one or two sentences why the statement is False.a) Resonance in an RLC series circuit occurs when the driving frequency is equal to 5 times the natural frequencyof the circuit.b) The maximum power is delivered when the system is being driven at resonance.c) Damped spring-mass oscillators and RLC series circuits do not behave mathematically identically. At all. Period. Please clear explainations. Thnak you
- Compute the quality factor of an RLC series circuit: (ii) if R= 20Ω , L =50mH, C = 1μFQ2. A series circuit consists of a 0.5 uF capacitor, a coil of inductance 0.32 H and resistance 40 Q and a 20 Q non-inductive resistor. Calculate the value of the resonant frequency of the circuit. When the circuit is connected to a 30 V a.c. supply at this resonant frequency, determine: (a) the p.d. across each of the three components; (b) the current flowing in the circuit; (c) the active power absorbed by the circuit.A coil of resistance 25Ω and inductance 100mH is connected in series with a capacitance of 0.12μF across a 200V, variable frequency supply. Calculate: i. The resonant frequency. ii. The current at resonance. iii. The factor by which the voltage across the reactance is greater than the supply voltage.
- The resonant circuit of a tuned collector transistor has a resonant frequency of 5MHz. If the value of the capacitance is increased by 50%, calculate the new resonant frequency.A coil of resistance 20 ohms and inductance 200 microHenry is in parallel with a variable capacitor. This combination is in series with a resistor of 8000 ohms. The voltagge of the supply is 200V at a frequency of 1000000 Hertz. Calculate: a. The value of C to give resonance b. The Q of the coilPlease see attached file, the bode plot of the OLTF of a closed-loop system is shown in the image. Show necessary steps to obtain the answer.