The diagram below represents the first three stages of a typical AM or FM receiver. the power gains are Ap1=131 , Ap2=0.12 and Ap3=8940 . The input power is Pin =0.44mW 1) Find the overall gain as ratio AȚ and AT( dB) 2) Find the outputs P1, P2 and Pout (unit is mW ) 3) Express P1 , P2 and Pout in dBm

Q: VDD RG1 RD Cc2 Q1 Сс1 RL Rsig HT S. RG2 Cs Vsig RS

A:

Q: A low noise amplifier used in a satellite receiver generates an output signal power of 25.XY mW with…

A:

Q: What is the decibel loss and gain of a signal?         5.a)  Loss and gain of a signal. A signal…

A: The solution is given below

Q: One way to control power, in an electronic system is to using the PWM (pulse width modulation)…

A: According to the question, we need to calculate the duty cycle for the output waveform of the…

Q: (e) Draw the combined small-signal equivalent circuit suitable for mid band frequency range…

A: gm1=2kID1gm1=220m×0.12mgm1=3.1mSr01=VAID1r01=100.12mr01=83.3kΩ

Q: For this figure (5.1-3) what is  a)Determine the aproximated bandwidth of the FM signal.…

A:

Q: Which of the following is not one of the areas of use of operational amplifiers in signal generator…

A: The question is asking us to identify which of the given options is not a typical use of operational…

Q: Given the range . Find the per scale value for each range based on the encircled basis only. (Follow…

A: The given image of the analog multi-meter screen is shown below. We need to calculate the values…

Q: A system is described by transfer function H(s). The frequency response for such system is shown in…

A: The bode plot of the system is given as

Q: A Spectrum Analyzer is used to measure: a) Power in da of Fundamental and Harmonic Frequencles b)…

A: We need to select correct option for spectrum analyser.

Amplitude modulation

A radio signal can carry information in the form of sound or image for broadcasting or communication. For it to be sent to a greater distance, the signal must be changed or modulated in some way. One of the easiest way is to change the amplitude of the signal with variations of the video or the audio signal. This is called Amplitude Modulaton. In this modulation information of message is carried in amplitude of carrier signal.