Receiver, transceiver circuit, signal transmission method, and signal transmission system
First Claim
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1. A receiver having a plurality of signal lines and a capacitor network having capacitors connected to said signal lines and switches for controlling the connection of said capacitors, wherein:
- said receiver includes a common mode voltage elimination circuit for eliminating a common mode voltage present on said plurality of signal lines by connecting at least one of the capacitor nodes containing the component of said common mode voltage to a node held to a specific voltage value.
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Abstract
A receiver has an offset application circuit for applying a known offset to an input signal, and a decision circuit for comparing the offset-applied input signal with a reference voltage. The level of the input signal is determined based on the known offset and on the result output from the decision circuit. With this configuration, a large common mode voltage can be eliminated in a circuit used for signal transmission.
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Citations
16 Claims
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1. A receiver having a plurality of signal lines and a capacitor network having capacitors connected to said signal lines and switches for controlling the connection of said capacitors, wherein:
said receiver includes a common mode voltage elimination circuit for eliminating a common mode voltage present on said plurality of signal lines by connecting at least one of the capacitor nodes containing the component of said common mode voltage to a node held to a specific voltage value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A receiver comprising a plurality of signal lines and a capacitor network having capacitors connected to said signal lines and switches for controlling the connection of said capacitors, wherein
said receiver includes a common mode voltage elimination circuit for eliminating a common mode voltage present on said plurality of signal lines by connecting at least one of capacitor nodes containing the component of said common mode voltage to a node precharged to a specific voltage value.
Specification