In tuning a radio, which is easier to tweak, the inductor or the capacitor? Why?
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In tuning a radio, which is easier to tweak, the inductor or the capacitor? Why?Explain a little pls.
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- A TRF receiver is to be tuned over the range 550 to 1550 kHz with a 25-uH inductor. Calculate the required capacitance range. Determine the tuned circuit’s necessary Q if a 10-kHz bandwidth is desired at 1000 kHz. Calculate the receiver’s selectivity at 550 and 1550 kHz.Calculate the oscillation frequency for the BJT Hartley oscillator circuit if LRFC =0.5 mH, L1 = 750 μH, L2 = 750 μH, M = 150 μH, and C = 150 pF. Show the details of your work. Write your solution on a white typewriting paper, scan it in JPEG format and upload it to the space provided below.Please write introduction four-line and conclusion two-line . for lab report about: (Fundamentals of AC and Signal generation using Oscilloscope) Note: please don't copy from internet write by your self Without cheating percentage.
- Please answer numbers 3 AND 4 ONLY asap with clear and complete explanation. Thank you! Electromagnetics (Communication Receivers) 1. what is communication receiver and explain in detail the operation. 2. Explain in detail how the design of dual-conversion receivers allow them to enhance selectivity and eliminate image problem. 3. Explain the relationship between(IF) local oscillator, and signal-frequencies mathematically and calculate any one of them, given the other two. 4.What is mixer circuits and explain in detail.The information frequency input to an AM modulator is from 5 to 10 kHz, what is its bandwidth? fast answerQ20) This multiple choice question from DIGITAL COMMUNICATIONS course.just write for me the final answer. Probability density function defines a. Density of signal b. Amplitudes of random noise c. Probability of error d. All of the mentioned
- Q 3 Bring out the advantages and disadvantages of microwave tube devices andsemiconductor devices.What are the most common types of microwave diodes and transistors in use give theirbasic features features and applications?What are the most common types of microwave ICs? Give details of the circuit elementsand applicationsthe ripple factor of a capacitor filter for a peak rectified voltage of 30 V, capacitor C = 50 µF, and a load current of 60 mA.A UJT relaxation oscillator circuit has the following component values: R1=75 kohms C1=68 uf, R2=1.8k ohms , and R3=150 ohms The UJT's standoff ratio is given as n = 0.73 . Calculate for the oscillation frequency (in Hz ).
- calculate the ripple of a capacitor filter for a peak rectified voltage of 30 V, capacitor C = 50 mF, and a load current of 50 mA.What is the ripple voltage (in Vrms) of a capacitor filter for a peak rectified voltage of 34 V, capacitor C = 561 µF, and a load current of 52 mA? No need to show your solution. Just write your numeric answer on the space provided. Round off your answer to 2 decimal places.A diode noise generator is required to produce 10uV of noise in a receiver with an input impedance of 75 ohms, resistive, and a noise power bandwidth of200kHz. (These values are typical of FM broadcast receivers.) What must the noise current be through the diode?