EDN

RF Fundamentals: What actually creates the 90 degree coupler phase shift? Part 1

Part 2 addresses coupling factor, signal propagation delay, maximum coupling, and vector analysis. Part 3 covers the derivation of parameters, including S parameters, and conclusions derived from this ...
TV Technology

RF, Optical Wideband Phase Shifter Technology Breakthrough

Phase shifters have uses in both optics and radio communications. Wide bandwidths are required for applications such as radio astronomy (see the article on the CSIRO work in this week's RF Report), ...
Yahoo Finance

RF Phase Shifter Market Value to Reach USD 4.9 billion by 2031 | Transparency Market Research, Inc.

Wilmington, Delaware, United States, Nov. 17, 2023 (GLOBE NEWSWIRE) -- Transparency Market Research Inc. - The RF phase shifter market was valued at US$ 2.2 billion in 2020. The industry is expected ...
EDN

RF Fundamentals: What actually creates the 90 degree coupler phase shift? Part 2

The term ζ is the coupling factor and is equal to the magnitude of the maximum coupling between the lines. The maximum coupling is written as maximum coupling = ζdB = 20Log(ζ) for BL = π/2. With ...