Samsung Electronics Co., Ltd.

Seungjoon Yoon

Cheolho Lee

Duckjin Kim

An electronic device includes: An electronic device includes a first communication module and a second communication module configured to perform wireless communication, a spread spectrum clock generator (SSCG), a memory, and a processor. The processor is configured to execute instructions to set a spread spectrum method and a spread ratio of the SSCG, determine whether the electronic device is communicatively coupled to at least one of a first and a second wireless communication, identify a frequency band of a channel of the at least one of the first and the second wireless communication, determine whether at least one of a frequency and multiplication frequencies of the frequency is included by the frequency band of the channel, and maintain the spread spectrum method and the spread ratio causing the SSCG to generate a spread spectrum clock signal based on first spread spectrum method and the spread ratio.

Electronic device and operation method therefor

An electronic device according to certain embodiments comprises a printed circuit board (PCB); a processor mounted on the PCB; and a connection interface configured to connect the PCB to an off-board electronic component, wherein the processor is configured to: output an inspection signal to the connection interface according to a particular bit pattern at a designated bit rate; identify a voltage level of a reception signal input to the processor, during a designated time, in response to the output of the inspection signal particular bit pattern; and determine a connection state of the connection interface based on the identified voltage level of the reception signal.

Electronic device and method for detecting connection state of connection interface

An integrated circuit according to an embodiment of the disclosure may include a plurality of function blocks, a spread spectrum clock (SSC) generator that generates a spread spectrum clock based on a frequency modulation rate value, a clock distribution circuit that distributes the generated spread spectrum clock into the plurality of function blocks, a memory that stores predetermined frequency modulation rate values respectively corresponding to the plurality of function blocks, and a control circuit, and the control circuit may be configured to generate the spread spectrum clock based on a smaller frequency modulation rate value among a first frequency modulation rate value and a second frequency modulation rate value respectively corresponding to a first function block and a second function block, which are operating, from among the plurality of function blocks. Moreover, various embodiment found through the present disclosure are possible.

Integrated circuit, method, and electronic device for reducing EMI of signal

Disclosed is an electronic device. The electronic device may include a printed circuit board (PCB) including at least one conducting wire, a first integrated circuit (IC) placed on the printed circuit board and including a transmit pin electrically connected to the at least one conducting wire, and a second IC placed on the printed circuit board and including a receive pin electrically connected to the at least one conducting wire, wherein the first IC is configured to transmit a specified signal having a first voltage through the transmit pin, and change an internal impedance of the first IC based on a reflected signal of the specified signal at a first time point.

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Gyeonggi-do, South Korea

Seungjoon Yoon