A Practical Approach to a Compact, Wide-Band SMT Directional Coupler

Download Whitepaper
  • Author: Robert Torsiello and Kham Sanvoravong
To date, directional couplers operating below 100 MHz are most easily implemented using a lumped-element approach. While the lumped element implementation has appeal for specific applications, there are some drawbacks. The most notable drawbacks are reduced power handling and temperature sensitivity. As future requirements evolve, these drawbacks can leave the lumped element coupler a step behind.