Apparatus and methods for reducing interference in radio-frequency apparatus
First Claim
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1. An apparatus, comprising an integrated circuit (IC) adapted for operating on radio frequency (RF) signals, the integrated circuit (IC) comprising baseband circuitry to process an RF signal and generate an output signal;
- and noise-shaping converter to process the output signal, wherein an input and/or an output of the noise-shaping converter is shielded to reduce interference resulting from inductive coupling or RF signal coupling.
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Abstract
A converter in a radio-frequency (RF) apparatus includes a feedback circuitry. The feedback circuitry has a shielded input and a shielded output. The shielded input and the shielded output of the feedback circuitry tend to reduce interference in the converter.
19 Citations
20 Claims
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1. An apparatus, comprising an integrated circuit (IC) adapted for operating on radio frequency (RF) signals, the integrated circuit (IC) comprising baseband circuitry to process an RF signal and generate an output signal;
- and noise-shaping converter to process the output signal, wherein an input and/or an output of the noise-shaping converter is shielded to reduce interference resulting from inductive coupling or RF signal coupling.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- 15. An apparatus, comprising an integrated circuit (IC) adapted for operating on radio frequency (RF) signals, the integrated circuit (IC) comprising an amplifier coupled to provide an amplified signal, and a noise-shaping converter adapted to process a signal derived from the amplified signal, wherein an input and/or an output of the noise-shaping converter is shielded to reduce interference in the integrated circuit (IC).
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18. An apparatus, comprising an integrated circuit (IC) adapted for operating on radio frequency (RF) signals, the integrated circuit (IC) comprising intermediate frequency (IF) circuitry to process an RF signal and generate an output signal;
- and noise-shaping converter to process the output signal, wherein an input and/or an output of the noise-shaping converter is filtered to reduce interference resulting from inductive coupling or RF signal coupling.
- View Dependent Claims (19, 20)
Specification