Filter Losses

Filter Losses

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The ideal filter transfers all incident energy at passband frequencies to the filter output termination. In practice, energy is lost by reflection at the filter ports, dissipation within the filter and/or radiation from the filter. These topics are considered in this chapter.

Chapter Contents:

  • 5.1 Reflection or Mismatch Loss
  • 5.2 Unloaded Q Induced Loss
  • 5.3 Loaded Q Definitions
  • 5.4 Lowpass Loss
  • 5.5 Bandpass Loss
  • 5.6 Radiation Loss
  • 5.7 Radiation from Microstrip Resonators
  • 5.8 Surface Waves
  • 5.9 Edge-Coupled Bandpass Radiation Example
  • 5.10 Hairpin Bandpass Radiation
  • 5.11 References

Inspec keywords: band-pass filters; losses

Other keywords: filter ports; incident energy; filter radiation; filter dissipation; filter losses; filter output termination; passband frequency

Subjects: Filters and other networks

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