Novel FET Circuits

Novel FET Circuits

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This chapter is intended as an introduction to the use of GaAs FETS in circuit roles other than the usual ones of amplification, oscillation and frequency conversion. Both single and dual gate FETS, whether they be low noise or power devices have been used successfully in a variety of microwave applications such as switches, attenuators, phase shifters and modulators. The introduction of monolithic circuits, dealt with in more detail in Chapter 10, has enabled many of these circuits to be fabricated on single chips of GaAs. However, many of the circuits have also been implemented using bare chip FETS and hybrid microstrip techniques (Pengelly et al, 1980).

Chapter Contents:

  • 9.1 Introduction
  • 9.2 Switches
  • 9.3 Phase Shifters
  • 9.4 Discriminators
  • 9.5 GaAs FET Osciplier
  • 9.6 Pulsed Oscillators
  • 9.7 Transformer Coupled Circuits
  • 9.8 Integrated Optoelectronic Circuits
  • 9.9 Conclusions
  • 9.10 Bibliography

Inspec keywords: field effect transistors; III-V semiconductors; integrated circuit manufacture; gallium arsenide; monolithic integrated circuits

Other keywords: monolithic circuits; oscillation; attenuators; modulators; frequency conversion; FET circuits; amplification; power devices; hybrid microstrip techniques; switches; phase shifters; GaAs; low noise devices; microwave applications

Subjects: Other field effect devices; Semiconductor integrated circuit design, layout, modelling and testing; Production facilities and engineering

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