Patent ID: 9306777
Filing Date: 2016-04-05
CPC Classification: H03D,H03H,H04L

Claim Text:
1. A decimation filter for filtering a positive signal and a negative signal output from a mixer device, the decimation filter comprising: four banks performing an operation of a sampling mode to charge electric charges and an operation of a charge sharing mode to output the charges charged in the sampling mode, wherein the four banks include: a bank Ap connected to the positive signal output from the mixer device and performing the operation of the sampling mode and the operation of the charge sharing mode in a sequential and repetitive manner; a bank Bp connected to the bank Ap and performing the operation of the charge sharing mode when the bank Ap performs the operation of the sampling mode, and performing the operation of the sampling mode when the bank Ap performs the operation of the charge sharing mode; a bank An connected to the negative signal output from the mixer device and performing the operation of the sampling mode and the operation of the charge sharing mode in a sequential and repetitive manner; and a bank Bn connected to the bank An and performing the operation of the charge sharing mode when the bank An performs the operation of the sampling mode, and performing the operation of the sampling mode when the bank An performs the operation of the charge sharing mode.