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AGC Design and PLL Comparison

AGC Design and PLL Comparison

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This chapter discusses automatic gain control (AGC) design for radio transceivers and the comparison between AGC and PLL. The following topics were covered: AGC design; AGC amplifier curve; linearizers; AGC detector; loop filter; threshold level; integrator;control theory analysis; modulation frequency distortion; comparison of the PLL and AGC using feedback analysis; techniques; basic PLL; phase detectors; loop gain constant; conversion gain constant; similarities between the AGC and the PLL; and feedback systems, oscillations, and stability.

Chapter Contents:

  • 4.1 AGC Design
  • 4.2 AGC Amplifier Curve
  • 4.3 Linearizers
  • 4.4 Detector
  • 4.5 Loop Filter
  • 4.6 Threshold Level
  • 4.7 Integrator
  • 4.8 Control Theory Analysis
  • 4.8.1 AGC Design Example
  • 4.9 Modulation Frequency Distortion
  • 4.10 Comparison of the PLL and AGC Using Feedback Analysis Techniques
  • 4.11 Basic PLL
  • 4.12 Control System Analysis
  • 4.13 Detector
  • 4.14 Loop Filter
  • 4.15 Loop Gain Constant
  • 4.16 Integrator
  • 4.17 Conversion Gain Constant
  • 4.18 Control Theory Analysis
  • 4.19 Similarities Between the AGC and the PLL
  • 4.20 Feedback Systems, Oscillations, and Stability
  • 4.21 Summary

Inspec keywords: integrating circuits; automatic gain control; circuit feedback; amplifiers; linearisation techniques; filters; control system analysis; radio transceivers; phase locked loops; phase detectors

Other keywords: integrator; linearizer; AGC amplifier curve; threshold level; conversion gain constant; PLL; loop gain constant; modulation frequency distortion; AGC detector; AGC design; automatic gain control; feedback systems; radio transceivers; feedback analysis; loop filter; phase detectors; control theory analysis

Subjects: Amplifiers; Modulators, demodulators, discriminators and mixers; Control applications in radio and radar; Radio links and equipment; Phase and gain control

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