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Magnetic Passive Intermodulation Mitigation System

Summary

Purdue University researchers have developed two novel methods of reducing PID in a wireless system. The first method alters the magnetic properties of a connector containing steel or nickel. The result is a connector that has similar PID performance to gold or silver at a lower cost. The second method is a tunable PID cancellation system; the frequency, magnitude, and phase of the signal can be adjusted to precisely remove the unwanted distortion. Both methods can greatly enhance the spectral purity of a signal in a communication system.

Technology Benefits

Can be applied to existing connectors containing nickel or steelPID reduction similar to silver- or gold-plated connectors Configurable to different frequencies

Technology Application

TelecommunicationsDigital Modulation

Detailed Technology Description

William ChappellIDEAS Microwave LaboratoryPurdue Electrical and Computer Engineering

Countries

United States

Application No.

None

Country/Region

USA

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