PARALLEL-STRUCTURED SWITCHED VARIABLE INDUCTOR CIRCUIT
First Claim
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1. A mobile communication device, comprising:
- a first inductor included in the mobile communication device;
a second inductor included in the mobile communication device; and
a metal oxide field effect transistor included in the mobile communication device, for electrically connecting the first inductor and the second inductor when the metal oxide field effect transistor is turned on.
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Abstract
An inductor circuit includes a pair of inductors connected in parallel with each other and a switch for turning on and off electric power to one of the pair of inductors. The inductance of the inductor circuit can be varied and the quality factor Q can be improved. Further, RF circuits employing the inductor circuit can generate an intended operating frequency.
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Citations
4 Claims
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1. A mobile communication device, comprising:
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a first inductor included in the mobile communication device; a second inductor included in the mobile communication device; and a metal oxide field effect transistor included in the mobile communication device, for electrically connecting the first inductor and the second inductor when the metal oxide field effect transistor is turned on. - View Dependent Claims (2)
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3. A radio-frequency (RF) circuit, comprising:
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a first inductor included in the RF circuit; a second inductor included in the RF circuit; and a metal oxide field effect transistor included in the RF circuit, for electrically connecting the first inductor and the second inductor when the metal oxide field effect transistor is turned on. - View Dependent Claims (4)
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Specification