Abstract:
An amplifier includes: a first input transistor connected to a first input, a first output, and a power source or a ground, a second input transistor connected to a second input, a second output, and the power source or the ground; a first replica transistor connected to the first input, a detection node, and the power source or the ground; a second replica transistor connected to the second input, the detection node, and the power source or the ground; and a bias transistor connected to a bias voltage, the detection node, and the power source or the ground.
Abstract:
According to various example embodiments, an electronic device may include: a flexible display; and a processor for control the flexible display to divide a display area into a plurality of areas including a first area and a second area, in response to detecting of notification event in a folded state, processing the notification event in a first manner using at least one of the first area and the second area when the electronic device is in a first mounted state, and processing the notification event in a second manner using at least one of the first area and the second area when the electronic device is in a second mounted state.
Abstract:
Class-D amplification circuitry includes an operational amplifier configured to receive a differential input signal via summing nodes, and output a first signal, a loop filter configured to low-pass filter the first signal, a pulse width modulator configured to perform pulse width modulation on the filtered signal, a gate driver stage configured to generate a gate signal based on the modulated signal, an output stage configured to generate a differential output signal based on the gate signal, and a common mode canceller connected between an input node of the output stage and the summing nodes, the common mode canceller configured to generate an inverted pseudo output signal based on the differential output signal, and provide the inverted pseudo output signal the summing nodes, the inverted pseudo output signal cancelling a common mode noise when applied to a feedback signal provided to the summing nodes.
Abstract:
Disclosed is an electronic device and a method of acquiring user information in an electronic device. The electronic device includes an input/output interface, a memory storing first user information, and a processor, configured to: when a first task of a first application executed by the electronic device is terminated, output via the input/output interface a query requesting second user information related to at least one of the first task and the first user information, and receive the requested second user information via a user input received by the input/output interface responsive to the query, and store the received second user information in the memory.