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Transmission Lines
Understanding PCBs for High-Frequency Applications
Printed circuit boards for microwave circuits must support transmission of signals with the diminutive wavelengths of radio-frequency (RF) and microwave frequencies, and they must do so with minimal loss and stable, consistent performance. To best understand high-frequency PCBs, it helps to review the types of transmission lines and structures typically used in RF/microwave circuits and how PCB characteristics relate to electrical performance at higher frequencies.
by John Coonrod

FIRST PERSON

• Caveat Lector
  Unrepressing transference.
  Mike Buetow
  
  
  

MONEY MATTERS

• ROI
  Evolutionary approaches.
  Peter Bigelow

• Focus on Business
  The sales funnel.
  Susan Mucha

TECH TALK

• On the Forefront
  The importance of being thin.
  E. Jan Vardaman

• Signal Integrity Insights
  Reflection noise.
  Dr. Eric Bogatin

• Designer’s Notebook
  Finding the right replacement.
  Duane Benson

• In Flex
  A connectable solution.
  Jay Desai

• Tech Tips
  Tin whisker qualification.
  ACI Technologies Inc.

• Technical Abstracts
  In case you missed it.

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