2.You are given the receiver block as schematically shown below. It consists of a receiving antennawhich delivers a signal to a bandpass filter. The antenna feed has a loss of -1.15 dB and the filter'sloss is -2.4 dB. The filter's output drives an amplifier with gain of +40.7 dB and this RF signal isinput to a mixer which performs a frequency 1translation to an IF signal (but the mixer has a lossof -8.2 dB). Finally, the IF signal travels through another bandpass filter with a nominal loss of -1.6 dB. If the signal strength output by the last filter is Psig = -86.3 dBm, what is the signal strengthof the signal Pant at the antenna? How many milliwatts is this signal power?AntennaOscillatorAmplifierBP filterBP filterPsig= 86.3 dBmMixer-2.4 dB-8.2 dB -1.6 dB-1.15 dB+40.7 dB

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cally shown below. It consist: e antenna feed has a loss of mplifier with gain of

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Nodal Analysis

In the analysis of any electric circuit, nodal analysis is the method of determining the potential difference or voltage between different nodes in an electric circuit. A node is a point where two or more branches connect each other. In the nodal analysis, the voltages are determined in the terms of branch currents. The nodal analysis is also known as the node voltage method or branch current method. The nodal analysis method is one of the several applications of Kirchhoff's Current Law (KCL).

Question

2.
You are given the receiver block as schematically shown below. It consists of a receiving antenna
which delivers a signal to a bandpass filter. The antenna feed has a loss of -1.15 dB and the filter's
loss is -2.4 dB. The filter's output drives an amplifier with gain of +40.7 dB and this RF signal is
input to a mixer which performs a frequency 1translation to an IF signal (but the mixer has a loss
of -8.2 dB). Finally, the IF signal travels through another bandpass filter with a nominal loss of -
1.6 dB. If the signal strength output by the last filter is Psig = -86.3 dBm, what is the signal strength
of the signal Pant at the antenna? How many milliwatts is this signal power?
Antenna
Oscillator
Amplifier
BP filter
BP filter
Psig= 86.3 dBm
Mixer
-2.4 dB
-8.2 dB -1.6 dB
-1.15 dB
+40.7 dB

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