Zarlink Semiconductor Limited

Ranjit Singh

Simon John Skierszkan

Youcef Fouzar

Hazem Abdel-Maguid

A voltage controlled oscillator generates an output signal whose frequency varies as a first function of a control voltage applied to a control terminal. The voltage controlled oscillator has a wide range of frequency of operation. A gain adjust circuit adjusts the gain of the voltage controlled oscillator such that the first function varies as a second function of the gain. In a preferred embodiment the gain adjust circuit includes a variable impedance that may be external or integrated onto a common chip with the oscillator core.

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Kanata, Canada

Ranjit Singh