SIGNAL PROCESSING CIRCUIT, CHIP, CIRCUIT BOARD ASSEMBLY AND RADIO-FREQUENCY TRANSCEIVER
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Feb 28, 2022
filing date -
Feb 28, 2022
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Abstract
Disclosed are a signal processing circuit, a chip, a circuit board assembly and a radio-frequency transceiver, where the signal processing circuit may include a resistor array, a mixer, an ADC, a DAC and an amplifier. The resistor array has an output end connected to an input end of the mixer, and the ADC has an output end connected to an input end of the DAC; the resistor array has an input end connected to an input end of the ADC, an RF signal input end is formed at a connection of the input end of the resistor array and the input end of the ADC; the mixer has an output end connected to an output end of the DAC, and a residual signal output end for outputting a residual signal is formed at a connection of the output end of the mixer and the output end of the DAC.
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