engleski

Compact active integrated antenna with transistor oscillator and line impedance transformer

A novel oscillating antenna is realised by integrating a transistor oscillator and a line impedance transformer inside a rectangular opening in a rectangular patch antenna. This active antenna exhibits stable operation and clean spectrum. Measured co-polarisation radiation patterns are not affected by the modification of the patch while the cross-polarisation levels are low.

active antennas; microstrip antennas; oscillators

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