Nasdaq

TTM Technologies, Inc. RF&S Business Unit releases new Xinger® brand high power couplers for sub-6GHz 5G wireless infrastructure applications

SANTA ANA, Calif., April 04, 2022 (GLOBE NEWSWIRE) -- TTM Technologies, Inc. (NASDAQ: TTMI) (“TTM”) Radio Frequency & Specialty Components (“RF&S”) business unit, a leader in microwave/RF-based ...
Electronic Design

Directional RF Couplers Take Up Little Space

Designed to monitor incident or reflected power, the company's directional RF couplers measure 0.65" x 0.5" x 0.38" excluding connectors and weigh 0.1 oz. For measuring RF energy, they operate over a ...
Electronic Design

Mini RF Couplers Enable Precise Energy Monitoring

For deployment in military and telecom designs, the company's Miniature 3 Port 50 Ohm and 75 Ohm Directional RF couplers promise precision monitoring of incident or reflected power within their small ...
EDN

RF Fundamentals: What actually creates the 90 degree coupler phase shift? Part 3

A scattering matrix (or S parameter matrix) can be used to describe coupler performance with any passive termination. The S parameters within the matrix are measured using terminations which are equal ...
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 ...