摘要:
A mobile communication device and a method thereof. The mobile communication device includes a processor, a transceiver circuit, an amplifier circuit, and a control logic circuit. The processor generates a baseband signal and a gain control signal. The transceiver circuit converts the baseband signal to an analog form, and amplifies the converted baseband signal to output a first transmission signal. The amplifier circuit amplifies the first transmission signal to output a second transmission signal. The control logic circuit controls the transceiver circuit and the amplifier circuit based on the gain control signal to generate the second transmission signal. The transceiver circuit adopts one of a first plurality of power gain levels at an increasing sequence when the amplifier circuit adopts a lowest level of a second plurality of power gain levels.
摘要:
The present invention provides a signal conversion device comprising: a substrate having a first surface and a second surface, the first surface being provided with a first contact region comprising at least a first contact and a second contact while the second surface being provided with a second contact region comprising at least a third contact and a fourth contact; wherein there is an electrical connection between the first and third contacts, and the second and fourth contacts are electrically connected to an IC fabricated using Wafer Level Chip Scale Package (WLCSP) or Chip On Film (COF) technology, and wherein the IC is disposed at the first surface or the second surface.
摘要:
A method of programming a first cell in a memory, wherein the first cell has a first S/D region and shares a second S/D region with a second cell that has a third S/D region opposite to the second S/D region. The channels of the first and the second cells are turned on, a first voltage is applied to the first S/D region, a second voltage is applied to the second S/D region and a third voltage is applied to the third S/D region. The second voltage is between the first voltage and the third voltage, and the first to third voltages make carriers flow from the third S/D region to the first S/D region and cause hot carriers in the channel of the first cell to be injected into the charge storage layer of the first cell.
摘要:
The present invention provides a dual chip signal conversion device, comprising: a carrier, one side surface thereof being provided with at least a first contact and a second contact while the other side surface thereof being provided with at least a third contact and a fourth contact; a first chip disposed at one side surface of the carrier and electrically connected to the second and fourth contacts; a second chip disposed at one side surface of the carrier and electrically connected to the first chip; and an antenna disposed within the carrier and electrically connected to the second chip.
摘要:
The antenna of the invention includes a transceiver unit and a dielectric unit. The transceiver unit has a ground portion, a radial portion, a conductive portion and a feed portion. The ground portion and the radial portion are disposed apart in parallel, so as to form a space therebetween. The distance between the ground portion and the radial portion is defined as a transceiver unit height. The dielectric unit is disposed in the space. That is, the dielectric unit is disposed between the ground portion and the radial portion. The dielectric unit has a dielectric unit thickness less than the transceiver unit height. In one embodiment, the ratio of the dielectric unit thickness to the transceiver unit height is preferably between 0.4 and 0.7.
摘要:
An automatic retractable device of a flexible printed circuit board is described. The automatic retractable device of the flexible printed circuit board comprises a bracket, two elastic components and two rollers. By combining the elastic components, the rollers and the flexible printed circuit board, the flexible printed circuit board can revert to an original position after the flexible printed circuit board is used.