Digital controlled vco for vibrating structure gyroscope
AssigneeAtlantic Inertial Systems Limited
InventorsKevin Townsend, Michael Durston
Life of this patent
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Abstract
A digitally controlled voltage controlled oscillator comprising an Nbit digital to analogue convertor arranged to receive a frequency change demand signal as a digital Nbit word, and having an output provided via an integrator to a voltage controlled oscillator configured to provide a frequency output.
Claims8
A digitally controlled voltage controlled oscillator comprising an Nbit digital to analogue convertor arranged to receive a frequency change demand signal as a digital Nbit word, and having an output provided via an integrator to a voltage controlled oscillator configured to provide a frequency output.
A digitally controlled voltage controlled resonator as claimed in claim wherein the voltage controlled oscillator is configured to provide an in-phase frequency output and a quadrature phase frequency signal output.
A digitally controlled voltage controlled resonator as claimed in claim or 2 wherein the voltage controlled oscillator is configured to generate frequencies which are a multiple of the resonator frequency.
(canceled)
Dependencies are inferred from the claim text.