摘要:
A high-bandwidth communication modem such as an ultra wideband (UWB) communication modem or a high-giga wideband (HGWB) modem includes an interface configured to transceive data in connection with a host device, a baseband processor configured to process, in a parallel manner, a baseband signal being transceived between the interface and a parallel/serial converter, the parallel/serial converter configured to combine a parallel signal into a serial signal and output the serial signal, and separate a serial signal into a parallel signal and output the parallel signal, a radio frequency (RF) processor configured to reduce a frequency of a received UWB or HGWB signal and transmit the frequency-reduced signal to the parallel/serial converter, and increase a frequency of the serial signal received from the parallel/serial converter and transmit the frequency-increased signal to a directional antenna, and the directional antenna configured to transceive a wireless signal by forming a directional beam and control a direction of the directional beam.
摘要:
An ultra wideband (UWB) communication modem includes an interface configured to transceive data in connection with a host device, a baseband processor configured to process, in a parallel manner, a baseband signal being transceived between the interface and a parallel/serial converter, the parallel/serial converter configured to combine a parallel signal into a serial signal and output the serial signal, and separate a serial signal into a parallel signal and output the parallel signal, a radio frequency (RF) processor configured to reduce a frequency of a received UWB signal and transmit the frequency-reduced signal to the parallel/serial converter, and increase a frequency of the serial signal received from the parallel/serial converter and transmit the frequency-increased signal to a directional antenna, and the directional antenna configured to transceive a wireless signal by forming a directional beam and control a direction of the directional beam.
摘要:
A backlight assembly of an LCD is provided. The backlight assembly includes a lamp for generating a light, a light guide plate disposed at a side of the lamp, for guiding the light, and a diffusion sheet and a prism sheet disposed on the light guide plate, for enhancing efficiency of the light outputted from the light guide plate, wherein the prism sheet comprises a body part and a plurality of protrusion parts each having a concavely inclined surface formed on the body part.
摘要:
A washing machine that circulates wash water and, at the same time, generates bubbles in the wash water. The washing machine includes a machine body, a tub disposed in the machine body. a tub cover provided above the tub, a pump mounted below the tub, and a circulation unit, having one end coupled to the pump and the other end coupled to the tub cover, to circulate wash water from the pump to the tub. The circulation unit includes a first channel, a second channel communicating with the first channel, the second channel having a smaller sectional area than the first channel, and an air inlet port provided in the second channel to allow air to be introduced into the circulation unit therethrough.
摘要:
A prism sheet of an LCD includes a body part made of a transparent resin material and a plurality of polypyramid-shaped optical unit structures formed in a intaglio type on the body part. The plurality of optical unit structures have intaglio-type polypyramid shapes in an inside of their polygonal structure. A center of the intaglio portion corresponds to a vertex of the polypyramid, thereby forming a point.
摘要:
A washing machine that circulates wash water and, at the same time, generates bubbles in the wash water. The washing machine includes a machine body, a tub disposed in the machine body. a tub cover provided above the tub, a pump mounted below the tub, and a circulation unit, having one end coupled to the pump and the other end coupled to the tub cover, to circulate wash water from the pump to the tub. The circulation unit includes a first channel, a second channel communicating with the first channel, the second channel having a smaller sectional area than the first channel, and an air inlet port provided in the second channel to allow air to be introduced into the circulation unit therethrough.
摘要:
A prism sheet of a liquid crystal display (LCD) includes a body part made of a transparent resin material; and a plurality of intaglio-type optical unit structures arranged on the body part, each of the optical unit structures having an intaglio-type or a relief type polyhedron inside of a rectangular structure thereof, a center of the intaglio portion forming a line, not a dot.
摘要:
Provided are a power amplifier and a method thereof. The power amplifier power amplifier includes: a main amplifying unit receiving power; an auxiliary amplifying unit connected in parallel to the main amplifying unit; and a Balun transformer combined with the main amplifying unit and the auxiliary amplifying unit. Respectively different bias voltages are applied to the main amplifying unit and the auxiliary amplifying unit.
摘要:
A radio frequency receiver of the present invention removes out-of-band jamming signals and interference signals without SAW filters. The radio frequency receiver includes: a low noise amplifier amplifying a signal received through an antenna; a second order intermodulation cancellation unit removing second order intermodulation caused by an out-of-band jamming or interference signal included in the signal output from the low noise amplifier; a passive mixer unit converting a frequency of the signal output from the second order intermodulation cancellation unit; and a low pass filter unit removing an out-of-band jamming or interference signal included in the signal output from the passive mixer unit and delivering the signal with the out-of-band jamming or interference signal removed therefrom to a transimpedance amplifier.
摘要:
A pulse generator is provided. The pulse generator includes: a time delayed pulse generation unit including a plurality of delay cells for receiving a first pulse having a first pulse width and outputting pulses delayed by a particular time delay value on the basis of one of a rising edge and a falling edge of the first pulse; an edge combiner configured to receive the plurality of time delayed pulses from the time delayed pulse generation unit and generate second pulses having a second pulse width; and a channel selector configured to regulate the number of outputs of the second pulses generated by the edge combiner.