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Frequency Response of Transistor Amplifiers

  • Stephan J. G. Gift
  • Brent Maundy
Chapter
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Abstract

The discussions in the previous chapters concerned the mid-frequency performance of an amplifier. At these frequencies, the coupling and bypass capacitors pass the signals virtually unimpeded, while the transistor junction capacitors are considered to be open circuits. The BJT and FET models provided useful tools with which to analyse these circuits. The performance at low and high frequencies however requires further consideration. In the case of the low frequencies, the effect of the coupling and bypass capacitors needs to be determined while at high frequencies the response which is largely determined by transistor junction capacitances needs to be ascertained. In this chapter therefore, more complex equivalent circuits are introduced in order to examine the full frequency response characteristics of BJTs and FETs. While the analysis is done using the JFET, it applies in general to the MOSFET also. After completing the chapter, the reader will be able to
  • 手机体育投注平台Determine the low-frequency response of transistor amplifiers

  • 手机体育投注平台Determine the high-frequency response of transistor amplifiers

Supplementary material

Bibliography

  1. S.S. Hakim, Feedback Circuit Analysis (Iliffe Books Ltd., London, 1966)
  2. J. Millman, C.C. Halkias, Integrated Electronics: Analog and Digital Circuits and Systems (McGraw Hill, New York, 1972)
  3. A.S. Sedra, K.C. Smith, Microelectronic Circuits, 6th edn. (Oxford University Press, Oxford, 2011)

Copyright information

© Springer Nature Switzerland AG 2021

Authors and Affiliations

  • Stephan J. G. Gift
    • 1
  • Brent Maundy
    • 2
  1. 1.Electrical and Computer EngineeringThe University of the West Indies, St. Augustine CampusSt. AugustineTrinidad and Tobago
  2. 2.Electrical and Computer EngineeringUniversity of CalgaryCalgaryCanada

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