Abstract: A miniaturized power distributing device with harmonic suppression function and low cost is set in a substrate, and includes first, second, and third metal levels. The first metal level includes a power divider to divide one signal into multiple output signals, or to combine multiple input signals into one output signal. The second metal level includes a filter structure to filter out harmonics. The third metal level is isolated against electromagnetic wave signal leaking from the second metal level. The second metal level is set between the first and third metal levels, dielectric layers are set between the first and second metal levels and between the second and third metal levels.

Abstract: A miniaturized power distributing device with harmonic suppression function and low cost is set in a substrate, and includes first, second, and third metal levels. The first metal level includes a power divider to divide one signal into multiple output signals, or to combine multiple input signals into one output signal. The second metal level includes a filter structure to filter out harmonics. The third metal level is isolated against electromagnetic wave signal leaking from the second metal level. The second metal level is set between the first and third metal levels, dielectric layers are set between the first and second metal levels and between the second and third metal levels.

Abstract: A power distribution circuit includes a first portion, a second portion, a third portion, an isolation element, a first transmission sub-circuit and a second transmission sub-circuit. The first portion, the second portion, and the third portion are coupled to respective external components. The isolation element is coupled between the second portion and the third portion. The first transmission sub-circuit is set on one side of the isolation element, and is coupled between the first portion and the second portion. The second transmission sub-circuit is set on the other side of the isolation element, and is coupled between the first portion and the third portion. The first transmission sub-circuit and the second transmission sub-circuit are symmetrically set on both sides of the isolation element.

Abstract: A miniaturized power distributing device with harmonic suppression function and low cost is set in a substrate, and includes first, second, and third metal levels. The first metal level includes a power divider to divide one signal into multiple output signals, or to combine multiple input signals into one output signal. The second metal level includes a filter structure to filter out harmonics. The third metal level is isolated against electromagnetic wave signal leaking from the second metal level. The second metal level is set between the first and third metal levels, dielectric layers are set between the first and second metal levels and between the second and third metal levels.

Abstract: A power dividing circuit includes a first transmission sub-circuit having an input port and a first resonant circuit, a second transmission sub-circuit having a second resonant circuit, and a third transmission sub-circuit having a third resonant circuit. A matching element is coupled between the second transmission sub-circuit and the third transmission sub-circuit. An input carrier signal is divided into a first signal to the second transmission sub-circuit and a second signal to the third transmission sub-circuit through the first transmission sub-circuit. The second resonant circuit and the third resonant circuit generate resonant frequency to reduce high frequency harmonics under a specific frequency range in the input carrier signal. A power divider is also provided.

Abstract: A power dividing circuit includes an input port, a first microstrip line, a first transmission subcircuit, a second transmission subcircuit, and a matching element. The first transmission subcircuit is coupled to a first microstrip line first end, and the first transmission subcircuit includes a first output port and a first resonance unit. The second transmission subcircuit is coupled to a first microstrip line second end, and the second transmission subcircuit includes a second output port and a second resonance unit. The matching element is coupled between the first output port and the second output port, the matching element matches impedances between the first transmission subcircuit and the second transmission subcircuit. A power divider is also provided.

Abstract: A power processing circuit includes a first portion, a second portion, a third portion, a resistor, a first coupling portion, a second coupling portion, a third coupling portion and a fourth coupling portion. The first portion, the second portion and the third portion are connected to respective external components. The first coupling portion and the third coupling portion are micro-strips symmetrical to the first portion. The second coupling portion and the fourth coupling portion are micro-strips symmetrically connected to two terminals of the resistor.

Abstract: A branch-line coupler suitable for use in mobile devices includes a first, second, third, and fourth ports, respectively acting as input, transmitted, coupled, and isolated port. A first, second, third, and fourth connection parts are connected to the ports and transmission lines. First and second bent transmission lines are electrically connected between first and second ports. Third and fourth bent transmission lines are electrically connected between third and fourth ports. A first long strip transmission line is electrically connected between the first port and the fourth port. A second long strip transmission line is electrically connected between the second port and the third port. The branch-line coupler occupies a small area and has high performance.

Abstract: A branch-line coupler suitable for use in mobile devices includes a first, second, third, and fourth ports, respectively acting as input, transmitted, coupled, and isolated port. A first, second, third, and fourth connection parts are connected to the ports and transmission lines. First and second bent transmission lines are electrically connected between first and second ports. Third and fourth bent transmission lines are electrically connected between third and fourth ports. A first long strip transmission line is electrically connected between the first port and the fourth port. A second long strip transmission line is electrically connected between the second port and the third port. The branch-line coupler occupies a small area and has high performance.

Abstract: A power dividing circuit includes a first transmission sub-circuit having an input port and a first resonant circuit, a second transmission sub-circuit having a second resonant circuit, and a third transmission sub-circuit having a third resonant circuit. A matching element is coupled between the second transmission sub-circuit and the third transmission sub-circuit. An input carrier signal is divided into a first signal to the second transmission sub-circuit and a second signal to the third transmission sub-circuit through the first transmission sub-circuit. The second resonant circuit and the third resonant circuit generate resonant frequency to reduce high frequency harmonics under a specific frequency range in the input carrier signal. A power divider is also provided.

Abstract: A power dividing circuit includes an input port, a first microstrip line, a first transmission subcircuit, a second transmission subcircuit, and a matching element. The first transmission subcircuit is coupled to a first microstrip line first end, and the first transmission subcircuit includes a first output port and a first resonance unit. The second transmission subcircuit is coupled to a first microstrip line second end, and the second transmission subcircuit includes a second output port and a second resonance unit. The matching element is coupled between the first output port and the second output port, the matching element matches impedances between the first transmission subcircuit and the second transmission subcircuit. A power divider is also provided.

Abstract: A power dividing circuit includes a power dividing input terminal, a high pass filtering module and a low pass filtering module. The power dividing input terminal divides a signal into two divided signals. The high pass filtering module includes two high pass filtering units. The low pass filtering module includes two low pass filtering units. Each divided signal is filtered by one of the two high pass filtering units and one of the two low pass filtering units.

Abstract: A power dividing circuit includes a power dividing input terminal, a high pass filtering module and a low pass filtering module. The power dividing input terminal divides a signal into two divided signals. The high pass filtering module includes two high pass filtering units. The low pass filtering module includes two low pass filtering units. Each divided signal is filtered by one of the two high pass filtering units and one of the two low pass filtering units.

Abstract: A power processing circuit includes a first portion, a second portion, a third portion, a resistor, a first coupling portion, and a second coupling portion. The first portion, the second portion, and the third portion are connected to respective external components. The resistor is used for isolating signals between the second portion and the third portion. The first coupling portion and the second coupling portion are substantially U-shaped coupling structures and are positioned at different sides of the resistor. The first coupling portion is connected to the first portion, the second portion, and ground. The second coupling portion is connected to the first portion, the third portion, and ground.

Abstract: A power processing circuit includes a first portion, a second portion, a third portion, a resistor, a first coupling portion, a second coupling portion, a third coupling portion and a fourth coupling portion. The first portion, the second portion and the third portion are connected to respective external components. The first coupling portion and the third coupling portion are micro-strips symmetrical to the first portion. The second coupling portion and the fourth coupling portion are micro-strips symmetrically connected to two terminals of the resistor.

Abstract: A power processing circuit includes a first portion, a second portion, a third portion, a resistor, a first coupling portion, and a second coupling portion. The first portion, the second portion, and the third portion are connected to respective external components. The resistor is used for isolating signals between the second portion and the third portion. The first coupling portion and the second coupling portion are substantially U-shaped coupling structures and are positioned at different sides of the resistor. The first coupling portion is connected to the first portion, the second portion, and ground. The second coupling portion is connected to the first portion, the third portion, and ground.

Abstract: A micro-strip antenna includes an L-shaped coupler, a set of micro-strip antennas, and an L-shaped band-stop filter. The set of micro-strip antennas includes at least one rectangular micro-strip antenna unit and a micro-strip line. The rectangular micro-strip antenna unit is coupled to the micro-strip line. The micro-strip line is coupled to the first end of the coupler. The band-stop filter is disposed along a corner of the rectangular micro-strip antenna unit, and is disposed between the antenna unit and the coupler without being physically connected to the antenna unit and the coupler. The width, length, and position of the L-shaped band-stop filter can be determined for the specific band-stop frequency and to optimize its coupling extent with the L-shaped coupler.

Abstract: A micro-strip antenna includes an L-shaped coupler, a set of micro-strip antennas, and an L-shaped band-stop filter. The set of micro-strip antennas includes at least one rectangular micro-strip antenna unit and a micro-strip line. The rectangular micro-strip antenna unit is coupled to the micro-strip line. The micro-strip line is coupled to the first end of the coupler. The band-stop filter is disposed along a corner of the rectangular micro-strip antenna unit, and is disposed between the antenna unit and the coupler without being physically connected to the antenna unit and the coupler. The width, length, and position of the L-shaped band-stop filter can be determined for the specific band-stop frequency and to optimize its coupling extent with the L-shaped coupler.