Transcript Figure 10-1 FSK transmitter.

Figure 10-1 FSK transmitter.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-2 Complete FSK system.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-3 Illustration of a BPSK constellation.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-4 The output of a BPSK modulator circuit for a 1010101 input.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-5 A circuit for generating a BPSK signal.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-6 A BPSK receiver using coherent carrier recovery and a mixer circuit.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-7 The QPSK phase constellation: (a) vector representation; (b) the data points.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-7 (continued) The QPSK phase constellation: (a) vector representation; (b) the data points.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-8 The I and Q data channels for a QPSK signal.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-9 A block diagram of a QPSK demodulating circuit.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-10 The decoded data point.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-11 The QPSK constellation with noise at the receiver. The decision boundaries are shown by the different
shaded areas.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-12 The simplified block diagram of a DPSK transmitter.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-13 A DPSK receiver.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-14 16-QAM transmitter.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-15 16-QAM (4  4) constellation pattern.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-16 Eye patterns.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-17 A 7-bit sequence generator.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-18 An implementation of a 7-bit PN sequence generator using Electronics WorkbenchTM Multisim.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-19 The serial data output stream for the 7-bit PN sequence generator.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-20 The PN sequence generator circuit structure for the connections listed in Table 10-2. The circuit shown is
connected with five shift registers (n = 5) and a maximal length of 31.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-21 Frequency hopping spread spectrum.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-22 A simplified RE spectrum for a frequency hopping spread-spectrum signal.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-23 Direct sequence spread spectrum.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-24 An implementation of a DSSS circuit using Electronics WorkbenchTM Multisim.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-25 The waveforms for the BPSK output and the PN code.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-26 The DSSS output signal generated by mixing the BPSK output and the PN code.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-27 The DSSS signal input to the receiver and the recovered BPSK data.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-28 The spectrum of the BPSK signal.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-29 The time domain waveforms for the BPSK and PN code outputs using the proper chip modulation rate
relationship.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-30 The spectrum of the signal after spreading.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-31 Block diagram of OFDM transmission.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-32 Example of the OFDM transmission of the ASCII characters B, U, and Y.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-33 The RF spectrum for a hybrid (analog and digital) AM transmission.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-34 The RF spectrum for a hybrid (analog and digital) FM transmission.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-35 An HD radio simplified system block diagram.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-36 Radio-telemetry block diagram.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-37 TDM and FDM telemetry transmitter system.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-38 Complete radio-telemetry system: (a) encoder, (b) transmitter, (c) receiver, (d) decoder. (Reprinted with
permission from Electronic Design, Vol. 29, No. 10; copyright Hayden Publishing Co., Inc.)
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-39 The cell phone s water mark sticker: (a) without water damage and (b) discolored due to water damage.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-40 The test setup for the full CDMA diagnostics.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
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Figure 10-41 Example of Test Data Generated by a CDMA Test.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-42 A BPSK transmit-receive circuit as implemented in Electronics WorkbenchTM Multisim.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-43 The phase relationship for the input and output of an inverting amplifier.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-44 The oscilloscope view of the BPSK signal and the recovered data.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 10-45 The OFDM traces for Problem 29.
Modern Electronic Communication 9th edition
Jeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458
All rights reserved.