公开(公告)号：US10187122B2

公开(公告)日：2019-01-22

申请号：US15666914

申请日：2017-08-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seong Sik Myoung ,  Jun Ho Kim ,  Sang Hyo Lee ,  Il Jong Song

IPC: H04B5/02 ,  H03F3/19 ,  H03F3/21 ,  H03G3/30 ,  H02M3/04

Abstract: A near field communications (NFC) device includes a receiving module and a transmitting module. The receiving module includes a receiver receiving an analog signal that includes a carrier signal and data, an analog-to-digital converter converting the analog signal to a digital signal, and a filter filtering the digital signal. The transmitting module includes a direct current-direct current (DC-DC) converter having an operating frequency belonging to a stop band of the filter, and a transmitter receiving power from the DC-DC converter and receiving a system clock signal.

公开(公告)号：US20180241440A1

公开(公告)日：2018-08-23

申请号：US15666914

申请日：2017-08-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seong Sik Myoung ,  Jun Ho Kim ,  Sang Hyo Lee ,  Il Jong Song

IPC: H04B5/02 ,  H03F3/19 ,  H03F3/21 ,  H03G3/30

CPC classification number: H04B5/02 ,  H02M3/04 ,  H03F1/0238 ,  H03F3/19 ,  H03F3/21 ,  H03F3/245 ,  H03G3/3036 ,  H04B5/0056

Abstract: A near field communications (NFC) device includes a receiving module and a transmitting module. The receiving module includes a receiver receiving an analog signal that includes a carrier signal and data, an analog-to-digital converter converting the analog signal to a digital signal, and a filter filtering the digital signal. The transmitting module includes a direct current-direct current (DC-DC) converter having an operating frequency belonging to a stop band of the filter, and a transmitter receiving power from the DC-DC converter and receiving a system clock signal.