Monobit Receiver

Monobit Receiver

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In this chapter the concept of the monobit receiver will be introduced. This technique can be considered as a digital channelized approach. The fast Fourier transform (FFT) is very simple and can be built on one chip. A simple frequency encoder is used after the FFT outputs to determine the number of input signals and their frequencies. The design of a candidate encoder will be presented. The encoder and the FFT can be built on one chip. The chip has been fabricated and the monobit receiver concept has been validated successfully in the laboratory.

Chapter Contents:

  • 12.1 Introduction
  • 12.2 Original Concept of the Monobit Receiver
  • 12.3 Monobit Receiver Idea
  • 12.4 Design Criteria
  • 12.5 Receiver Components
  • 12.6 RF Chain, ADC, and Demultiplexer
  • 12.7 Basic FFT Chip Design
  • 12.8 Frequency Encoder Design
  • 12.9 Selection of Thresholds
  • 12.10 Preliminary Performance of a Monobit Receiver
  • 12.11 Possible Improvements
  • 12.12 Chip Layout
  • References

Inspec keywords: radio receivers; telecommunication channels; codecs; fast Fourier transforms

Other keywords: FFT outputs; monobit receiver concept; digital channelized approach; fast Fourier transform; monobit receiver; frequency encoder

Subjects: Radio links and equipment; Codecs, coders and decoders; Integral transforms

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