Integrated receivers and integrated circuit having integrated inductors
First Claim
Patent Images
1. A receiver comprising:
- an input section for receiving and amplifying a radio frequency (RF) input signal to provide an amplified RF signal;
a plurality of RF sections each having an input coupled for receiving said amplified RF signal, and an output for providing an intermediate frequency signal, each of said plurality of RF sections comprising;
a programmable gain element for receiving and amplifying a corresponding amplified RF signal; and
a mixer for mixing said corresponding amplified RF signal with in-phase and quadrature local oscillator signals to provide an in-phase IF signal and a quadrature IF signal, andan output circuit for providing an intermediate frequency output signal in response to an output of at least one of said plurality of RF sections.
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Abstract
A receiver includes an input section, a plurality of RF sections, an output circuit, and a controller. The input section receives and amplifies a radio frequency (RF) input signal to provide an amplified RF signal, and has a gain input. The plurality of RF sections each have an input for receiving the amplified RF signal, and an output for providing an intermediate frequency signal. The output circuit provides an intermediate frequency output signal in response to an output of at least one of the plurality of RF sections. The controller has an output coupled to the gain input of the input section.
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Citations
20 Claims
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1. A receiver comprising:
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an input section for receiving and amplifying a radio frequency (RF) input signal to provide an amplified RF signal; a plurality of RF sections each having an input coupled for receiving said amplified RF signal, and an output for providing an intermediate frequency signal, each of said plurality of RF sections comprising; a programmable gain element for receiving and amplifying a corresponding amplified RF signal; and a mixer for mixing said corresponding amplified RF signal with in-phase and quadrature local oscillator signals to provide an in-phase IF signal and a quadrature IF signal, and an output circuit for providing an intermediate frequency output signal in response to an output of at least one of said plurality of RF sections. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A receiver comprising:
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an input section for receiving and amplifying a radio frequency (RF) input signal to provide an amplified RF signal, and having a gain input for receiving a first gain; a plurality of RF sections each having an input for receiving said amplified RF signal, a gain input for receiving a second gain, a first output for providing an intermediate frequency signal, and a second output for providing a detected power signal; an output circuit for providing an intermediate frequency output signal in response to an output of at least one of said plurality of RF sections; and a controller for providing said first and second gains in response to said detected power in a selected one of said plurality of RF sections. - View Dependent Claims (13, 14, 15, 16)
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17. A method comprising:
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receiving and amplifying a radio frequency (RF) input signal according to a first gain to provide an amplified RF signal; processing said amplified RF signal in a selected one of a plurality of RF sections according to a second gain to provide an intermediate frequency (IF) signal; detecting a power in said at least one of said plurality of RF sections; and adjusting said first and second gains in response to said power. - View Dependent Claims (18, 19, 20)
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Specification