Figure 7-1 Double-conversion block diagram.
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Transcript of Figure 7-1 Double-conversion block diagram.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-1 Double-conversion block diagram.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-2 Image frequency rejection.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-3 System for Example 7-2.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-4 Up-conversion system.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-5 AGC characteristics.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-6 Delayed AGC configuration.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-7 (a) Auxiliary AGC; (b) the Analog Devices AD8369 variable gain amplifier IC;
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-7 (continued) (a) Auxiliary AGC; (b) the Analog Devices AD8369 variable gain amplifier IC;
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-7 (continued) (c) Basic connections.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-8 Variable bandwidth tuning (VBT).
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-9 Automatic noise limiter.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-10 Squelch circuit.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-11 Third-order intercept and compression point illustration.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-12 IMD products (second-, third-, and fifth-order for two test signals).
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-13 IMD testing: (a) mixer; (b) Class AB linear power amplifier.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-14 Basic frequency synthesizer.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-15 Typical programmable divider.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-16 Synthesizer alternatives.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-17 Divider system with two-modulus prescaler.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-18 The Cobra 19 DX IV CB radio. (Courtesy of Cobra Electronics Corporation.)
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-19 CB synthesizer circuit.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-20 Printed circuit board details: (a) printed circuit layout for CB synthesizer; (b) component layout for CB synthesizer.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-21 UCR110 block diagram. (Courtesy of Lectrosonics, Inc.)
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-22 The schematic of a UHF multifrequency receiver. (Courtesy of Lectrosonics, Inc.)
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-23 DDS block diagram.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-24 The resistor at high frequencies.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-25 The ZAS-3 attenuator. (Courtesy of Mini-Circuits: www.minicircuits.com.)
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-26 The connections for the ZAS-3 attenuator when used as an AM modulator.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-27 The suggested biasing for the ZAS-3 control port. (Courtesy of Mini-Circuits: www.minicircuits.com.)
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-28 The Mini-Circuits ZX95-100 voltage controlled oscillator. (Courtesy of Mini-Circuits: www.minicircuits.com.)
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-29 The suggested connection diagram for using the ZX95-100 for generating an FM signal. (Courtesy of Mini-Circuits: www.minicircuits.com.)
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-30 The Mini-Circuits ZP-3 mixer circuit. (Courtesy of Mini-Circuits: www.minicircuits.com.)
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-31 The suggested connection diagram for the ZP-3.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-32 Block diagram of a mobile FM transceiver, transmitter portion.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-33 The mixer circuit as implemented with Multisim.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-34 The output of the mixer as viewed with an oscilloscope. The input frequencies to the mixer are 20 and 21 MHz.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-35 The output of the mixer as viewed by a spectrum analyzer.
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Modern Electronic Communication 9th editionJeffrey S. Beasley and Gary M. Miller
Copyright ©2008 by Pearson Education, Inc.Upper Saddle River, New Jersey 07458
All rights reserved.
Figure 7-36 An example of a squelch circuit as implemented with Multisim.