Samsung Electronics Co., Ltd.

Jaejin Yang

Hyoseok Na

Yongjun An

An electronic device include an antenna, a power amplifier and at least one processor configured to identify, transmit power of user data to be transmitted within a first slot in which uplink transmission is initiated; switch, based on identifying that the user data is transmitted based on a first SCS, supply voltage for dynamic range of the PA to a voltage value corresponding to the Tx power; switch, based on identifying that the user data is transmitted based on a second SCS greater than the first SCS, the supply voltage to the voltage value, within second duration in the second slot, the second duration in the second slot being before an initiation of the first slot; and transmit, using the PA, the user data with the Tx power within the first slot, to the base station.

Electronic device and method for controlling transmit power

An electronic device includes: an antenna, a PAM including a PA configured to amplify a transmitting signal and a protection circuit, a PMIC configured to supply voltage to the PA, and at least one processor is configured to: provide a first signal, to a NAND gate in the protection circuit, provide to a AND gate in the protection circuit, a second signal indicating a result of a logical operation between the first signal and a bias enable signal for the PA, provide to the AND gate, a third signal indicating whether the transmitting signal is input to the PAM, provide to a switching circuit, a fourth signal indicating a result of logical operation between the second signal and the third signal, identify whether to apply a bias voltage to the PA based on the fourth signal, and transmit the transmitting signal, to the external electronic device, via the antenna.

Electronic device and method including power amplifier module having protection circuit

Various embodiments of the disclosure relate to a device and a method for supplying power to a plurality of power amplifiers in an electronic device. An electronic device may include: a first power amplifier, a second power amplifier, a third power amplifier, a first power supply module including a power supply configured to supply power to the first power amplifier or the second power amplifier, a second power supply module including a power supply configured to supply power to the second power amplifier or the third power amplifier, and a detection module comprising circuitry configured to identify a state of a connection between the second power amplifier and the first power supply module and a state of a connection between the second power amplifier and the second power supply module, wherein the detection module may be configured to output a power control signal based on detecting that the second power amplifier is connected to the first power supply module and the second power supply module, wherein power supply to the second power amplifier from the first power supply module or the second power supply module may be shut off based on the power control signal of the detection module.

Growing community of inventors

Suwon-si, South Korea

Jaejin Yang