Abstract: An inductor includes a first magnetic body having a toroidal shape and having a ferrite; and a second magnetic body configured to be different from the first magnetic body and including a metal ribbon, wherein the second magnetic body includes an outer magnetic body disposed on an outer circumferential surface of the first magnetic body and an inner magnetic body disposed on an inner circumferential surface of the first magnetic body, and each of the outer magnetic body and inner magnetic body is wound in a plurality of layers in a circumferential direction of the first magnetic body.

Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.

Abstract: An electronic device is provided. The electronic device includes an antenna array configured to include a plurality of antenna modules, a communication circuit configured to include a plurality of power amplifiers connected with the plurality of antenna elements and a plurality of phase shifters, at least one processor operatively connected with the communication circuit, and a memory operatively connected with the at least one processor and includes instructions.

Abstract: An electronic device is provided. The electronic device includes an antenna array configured to include a plurality of antenna modules, a communication circuit configured to include a plurality of power amplifiers connected with the plurality of antenna elements and a plurality of phase shifters, at least one processor operatively connected with the communication circuit, and a memory operatively connected with the at least one processor and includes instructions.

Abstract: An electronic device is provided. The electronic device includes an antenna array configured to include a plurality of antenna modules, a communication circuit configured to include a plurality of power amplifiers connected with the plurality of antenna elements and a plurality of phase shifters, at least one processor operatively connected with the communication circuit, and a memory operatively connected with the at least one processor and includes instructions.

Abstract: An electronic device is provided that includes an antenna configured to receive a first signal and transmit a second signal. The electronic device also includes a transceiver configured to perform frequency conversion of the first signal and the second signal. The electronic device further includes a coupler path configured to transmit the second signal to the transceiver via a coupler, and a receive path configured to transmit the first signal, obtained from the antenna, to the transceiver. The electronic device also includes a switching unit configured to be connected with the transceiver and switch between the coupler path and the receive path.

Abstract: An electronic device is provided. The electronic device includes an antenna array configured to include a plurality of antenna modules, a communication circuit configured to include a plurality of power amplifiers connected with the plurality of antenna elements and a plurality of phase shifters, at least one processor operatively connected with the communication circuit, and a memory operatively connected with the at least one processor and includes instructions.

Abstract: Disclosed is a method of operating an electronic device to transmit an RF signal. The method includes: selecting output power of a PA included in the electronic device, which is required when a signal is transmitted through an antenna included in the electronic device; determining input power of the PA corresponding to the output power of the PA by using at least one of a first data point, a second data point, or a plurality of data points stored in a memory included in the electronic device; and controlling output power of an RF transmission circuit included in the electronic device based on the input power, wherein the plurality of data points are generated by being linearly interpolated between the first data point and the second data point. Various embodiments are possible.

Abstract: An electronic device is provided that includes an antenna configured to receive a first signal and transmit a second signal. The electronic device also includes a transceiver configured to perform frequency conversion of the first signal and the second signal. The electronic device further includes a coupler path configured to transmit the second signal to the transceiver via a coupler, and a receive path configured to transmit the first signal, obtained from the antenna, to the transceiver. The electronic device also includes a switching unit configured to be connected with the transceiver and switch between the coupler path and the receive path.

Abstract: A method for operating an electronic device for transmission of a radio frequency (RF) signal includes selecting output power of a power amplifier (PA) required upon transmission of a signal with a second frequency through an antenna, determining a first PA operation voltage corresponding to the selected output power using first information stored in a memory of the electronic device and second information regarding a PA operation voltage corresponding to first output power of the PA at the second frequency, supplying the determined first PA operation voltage to the PA, and supplying input power corresponding to the selected output power at the second frequency to the PA. Other various embodiments are possible.

Abstract: An electronic device includes a communication interface configured to establish a communication channel; and a controller configured to adjust an amplification current of a signal outputted through the communication channel corresponding to a measured Adjacent channel leakage ratio (ACLR) based on the communication channel, wherein the controller is configured to adjust a size of the amplification current corresponding to a difference between the measured ACLR and a specified condition.

Abstract: A method for operating an electronic device for transmission of a radio frequency (RF) signal includes selecting output power of a power amplifier (PA) required upon transmission of a signal with a second frequency through an antenna, determining a first PA operation voltage corresponding to the selected output power using first information stored in a memory of the electronic device and second information regarding a PA operation voltage corresponding to first output power of the PA at the second frequency, supplying the determined first PA operation voltage to the PA, and supplying input power corresponding to the selected output power at the second frequency to the PA. Other various embodiments are possible.

Abstract: Disclosed is a method of operating an electronic device to transmit an RF signal. The method includes: selecting output power of a PA included in the electronic device, which is required when a signal is transmitted through an antenna included in the electronic device; determining input power of the PA corresponding to the output power of the PA by using at least one of a first data point, a second data point, or a plurality of data points stored in a memory included in the electronic device; and controlling output power of an RF transmission circuit included in the electronic device based on the input power, wherein the plurality of data points are generated by being linearly interpolated between the first data point and the second data point. Various embodiments are possible.

Abstract: An electronic device includes a communication interface configured to establish a communication channel; and a controller configured to adjust an amplification current of a signal outputted through the communication channel corresponding to a measured Adjacent channel leakage ratio (ACLR) based on the communication channel, wherein the controller is configured to adjust a size of the amplification current corresponding to a difference between the measured ACLR and a specified condition.

Abstract: A method and apparatus for optimizing transmission performance of a mobile terminal by adjusting a matching value of the transmitter of the mobile terminal based on the allocation information from the network are provided. The transmission performance optimization method of a mobile terminal according to the present invention includes acquiring allocation information from a network, searching for a group of information matching the allocation information from a predetermined mapping table, generating a control signal for adjusting a match value according to the group, and adjusting the matching value of a transmitter of the mobile terminal by changing impedance according to the control signal.

Abstract: A method and apparatus for optimizing transmission performance of a mobile terminal by adjusting a matching value of the transmitter of the mobile terminal based on the allocation information from the network are provided. The transmission performance optimization method of a mobile terminal according to the present invention includes acquiring allocation information from a network, searching for a group of information matching the allocation information from a predetermined mapping table, generating a control signal for adjusting a match value according to the group, and adjusting the matching value of a transmitter of the mobile terminal by changing impedance according to the control signal.