Circuit characterisation of waveguide-mounted Gunn-effect oscillators

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Circuit characterisation of waveguide-mounted Gunn-effect oscillators

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© The Institution of Electrical Engineers
Published

A lumped equivalent circuit is proposed to characterise the load impedance presented to a Gunn device mounted in a waveguide cavity. Using analytical expressions for the elements of the circuit, theoretical predictions for the properties of Gunn oscillators with and without a coupling iris are made, and are compared with experiments.

Inspec keywords: waveguide components; Gunn oscillators; equivalent circuits

Other keywords: Gunn oscillators; lumped equivalent circuit; Gunn device; waveguide mounted Gunn effect oscillator; waveguide cavity; load impedance; coupling iris

Subjects: Semiconductor device modelling, equivalent circuits, design and testing; Electrical conductivity phenomena in semiconductors and insulators; Solid-state microwave circuits and devices

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