66results about How to "Easy to process and integrate" patented technology

The invention discloses a broadband three-mode balanced band-pass filter based on interdigital multi-mode resonators, comprising a dielectric substrate, an input port feeder, a first output port feeder, a second output port feeder, a first interdigital multi-mode resonator and a second interdigital multi-mode resonator which are arranged on the upper surface of the dielectric substrate, and a metal grounding plate which is disposed on the lower surface of the dielectric substrate. The first interdigital multi-mode resonator and the second interdigital multi-mode resonator are respectively disposed at the two sides of the input port feeder, and are symmetrical stub-loaded multi-mode resonators. The broadband three-mode balanced band-pass filter of the invention has the characteristics of wide stop band, miniaturization, high common-mode rejection, high selectivity, low loss, and the like, and is very suitable for modern wireless communication systems.

The invention discloses a packaging structure for three-dimensional integration of a radio frequency system and a design method thereof. The structure comprises a silicon-based adapter plate and at least two supporting interconnection adapter plates which are alternately and longitudinally stacked from bottom to top, wherein a cavity is formed between the at least two supporting interconnection adapter plates; each of the silicon-based adapter plate and the supporting interconnection adapter plates comprises a silicon substrate, a through silicon via (TSV), micro bumps and an RDL wiring layer.The TSV penetrates the silicon substrate; the RDL wiring layers are arranged on the upper surface and the lower surface of the silicon substrate; the micro bumps are arranged on the two RDL wiring layers; the TSV, the RDL wiring layers, and the micro bumps are connected with one another. The structure has the effects of vertical interconnection and structural support, three-dimensional vertical stacking of radio frequency chips can be achieved, and the problem of electromagnetic compatibility during three-dimensional stacking of the radio frequency chips can be solved through flexible design.

The invention discloses a tapped feed dual-mode Balun band-pass filter which comprises a rectangular medium baseplate (6) of which the lower surface is equipped with a metal grounding plate (7), wherein an input port feeder line (1), a first output port feeder line (2) and a second output porter feeder line (3) are disposed on the upper surface of the rectangular medium baseplate (6), the input porter feeder line (1) is close to one wide edge of the rectangular medium baseplate (6), the first output port feeder line (2) and the second output port feeder line (3) are close to the other wide edge of the rectangular medium baseplate (6) and are arranged successively along the length direction of the rectangular medium baseplate (6), a first E-type resonator (4) is disposed between the first output port feeder line (2) and the input port feeder line (1), and a second E-type resonator (5) is disposed between the second output port feeder line (3) and the input port feeder line (1). The tapped feed dual-mode Balun band-pass filter disclosed by the invention is simple in structure, low in losses and good in selectivity and port matching.

The invention discloses a substrate integrated ridge waveguide slot array broadband leaky-wave antenna which is of a symmetrical structure about an H surface. The substrate integrated ridge waveguide slot array broadband leaky-wave antenna comprises a substrate integrated waveguide and a ridge metal layer, wherein the substrate integrated waveguide comprises a lower metal layer, a lower dielectric plate, an upper dielectric plate and an upper metal layer; the lower metal layer, the lower dielectric plate, the ridge metal layer, the upper dielectric plate and the upper metal layer are overlapped in sequence; a row of side via holes is formed in each side of the ridge metal layer, and the side via holes pass through the lower metal layer, the lower dielectric plate, the upper dielectric plate and the upper metal layer in sequence; a row of middle via holes is further formed in the center line of the ridge metal layer in the length direction, and the middle via holes pass through the lower metal layer, the lower dielectric plate and the ridge metal layer (3) in sequence; the antenna can realize frequency scanning of 28 degrees to 84 degrees on the H surface, and the impedance bandwidth can reach 38%; and meanwhile, the antenna has the prominent advantages of being high in gain, low in minor lobe level, easy to machine and integrate and the like.

The invention provides a dual-passband band-pass filter based on asymmetric coupling lines. The filter comprises a dielectric substrate, a filter positioned on the upper surface of the dielectric substrate, and a metal grounding plate positioned on the lower surface of the dielectric substrate, the filter comprises an H-shaped multi-mode resonator with an improved center, asymmetric parallel coupling lines loaded on the left side and the right side of the multi-mode resonator, stepped impedance branches loaded on the upper side and the lower side of the multi-mode resonator, parallel three-line coupling lines composed of high impedance lines and the parallel coupling lines, and open circuit branches loaded on the lower side of a left port feeder line. According to the invention, under thestrong coupling effect of the multi-mode resonator loaded with a stepped impedance stub and the asymmetric coupling line structure, the selectivity of a passband is improved, and the size of the filter is reduced. The two passbands are low and adjustable in insertion loss, so the filter is good in out-of-band characteristic, compact in structure, low in cost, convenient to process and easy to integrate with other circuits.

The invention discloses an anti-phase unequal power divider based on a parallel coupling structure. The anti-phase unequal power divider includes a rectangular medium substrate of which a lower surface is provided with a metal ground plate. An upper surface of the medium substrate is provided with an input terminal feed line, a first output terminal feed line, and a second output terminal feed line. A first parallel coupling structure and a first 1/4 wavelength transmission line are arranged between the input terminal feed line and the first output terminal feed line. A second parallel coupling structure and a second 1/4 wavelength transmission line are arranged between the input terminal feed line and the second output terminal feed line. A third 1/4 wavelength transmission line, a fourth 1/4 wavelength transmission line, and a resistor are also arranged between the first output terminal feed line and the second output terminal feed line. The resistor is connected to the ground plate on the lower surface of the medium substrate through a metal through hole in the medium substrate. The anti-phase unequal power divider has simple structure, low loss, high isolation, and small phase deviation.

The invention discloses a dual-mode high-performance balance band-pass filter based on E-shaped resonators. The dual-mode high-performance balance band-pass filter comprises input port feeder lines, output port feeder lines, a first E-shaped resonator and a second E-shaped resonator positioned on the upper surface of a dielectric substrate and a metal ground plate positioned on the lower surface of the dielectric substrate. The first E-shaped resonator and the second E-shaped resonator are symmetrical surface branch loaded dual-mode resonators; the input port feeder lines comprise a first input port feeder line and a second input port feeder line which are symmetrically connected with each other; the output port feeder lines comprises a first output port feeder line and a second output port feeder line which are symmetrically connected with each other; and each of the first E-shaped resonator and the second E-shaped resonator comprises a half wavelength resonator and a symmetrical surface branch loading unit. The dual-mode high-performance balance band-pass filter has the characteristics of miniaturization, high common mode rejection, high selectivity, low loss and the like, and is very suitable for modern wireless communication systems.

An in-phase power division filter based on a slot line and a microstrip, disclosed by the present invention, comprises a rectangular dielectric substrate (4), a metal grounding plate (9) is arranged on the lower surface of the rectangular dielectric substrate (4), and an input port feeder line (1), a first output port feeder line (2) and a second output port feeder line (3) which are symmetricallydistributed, are arranged on the upper surface of the dielectric substrate (4). A T-shaped microstrip line (10) is positioned in the middle of the dielectric substrate, the first microstrip line (20)and the second microstrip line (30) are respectively connected with the first output port feeder line (2) and the second output port feeder line (3), and the continuous right-angle bent slot lines (6) and (7) and circular fan slot lines (8) are etched on the metal grounding plate (9). The isolation resistors (5) are arranged below the joints of the circular fan slot lines (8), and the metal columns are distributed at the two ends of each isolation resistor (5) respectively. The slot line in-phase power dividing filter of the present invention is high in selectivity, good in port matching characteristic and small in phase deviation.

The invention discloses a wide-stop-band three-mode dual-passband filter based on cross type multimode resonators. The wide-stop-band three-mode dual-passband filter comprises an input port feed line, an output port feed line, a first cross type multimode resonator, a second cross type multimode resonator, a dielectric substrate and a metal grounding plate. The first and second cross type multimode resonators are connected with each other through a metal through hole and are symmetry plane side loading type multimode resonators. The input port feed line, the output port feed line and the first and second cross type multimode resonators are arranged at the upper surface of the dielectric substrate. The metal grounding plate is arranged at the lower surface of the dielectric substrate. The input and output port feed lines include two parts of a 50ohm microstrip line conduction band and a feed line. The first cross type multimode resonator comprises two quarter-wavelength resonators and two symmetry plane loading units. The second cross type multimode resonator comprises two quarter-wavelength resonators and two symmetry plane loading units. The wide-stop-band three-mode dual-passband filter has characteristics of wide stop-band, high selectivity and low loss and is suitable for modern wireless communication systems.

The invention discloses a novel dual-passband filter coupler adopting a double-layer slotted circular patch. The coupler comprises an upper dielectric substrate, a metal grounding plate and a lower dielectric substrate which are sequentially arranged in parallel from the top to the bottom, wherein the contours of the upper dielectric substrate, the metal grounding plate and the lower dielectric substrate coincide with one another; a top slotted circular patch, a first port feeder line and a second port feeder line are arranged on the upper surface of the upper dielectric substrate, and a bottom slotted circular patch, a second port feeder line and a third port feeder line are arranged on the lower surface of the lower dielectric substrate. When a signal is input from the first port, a signal output by the second port and a signal output by the third port are equal in amplitude and phase; when a signal is input from the fourth port, a signal output by the second port and a signal outputby the third port are equal in amplitude and opposite in phase. Compared with the prior art, the scheme has the advantages of simple structure, high Q value, high power processing capability and dual-passband performance.

The invention discloses a dual-passband balanced power dividing filter adopting double-layer circular patches. The filter comprises an upper dielectric substrate and a lower dielectric substrate, and is characterized in that a metal grounding plate is arranged between the upper dielectric substrate and the lower dielectric substrate; the top layer circular patch, a first input port feeder line, a second input port feeder line, a top layer first isolation port and a top layer second isolation port are arranged on the upper surface of the upper layer dielectric substrate; the lower surface of the lower dielectric substrate is provided with the bottom circular patch, a first output port feeder line, a second output port feeder line, a third output port feeder line and a fourth output port feeder line; and the metal grounding plate is provided with a slot line which is used for transmitting the resonance mode of the top circular patch to the bottom circular patch. The dual-passband balanced power dividing filter has very small size and more perfect functions, can be realized on a single PCB (Printed Circuit Board), is convenient to process and integrate, and has high common-mode rejection performance.

The invention discloses a Vivaldi antenna with notched characteristics, which comprises a rectangular dielectric substrate (5) a metal grounding plate (4) attached to the lower surface of the dielectric substrate (5), and is characterized in that the metal grounding plate (4) is provided with a slot line structure (3), and the slot line structure (3) is located at a long axis of the dielectric substrate (5) and symmetric relative to the long axis of the dielectric substrate (5). The Vivaldi antenna further comprises an input port feeder (1) and a stepped impedance resonator (2) which are located at the upper surface of the dielectric substrate (5), wherein the stepped impedance resonator (2) is axisymmetric relative to the slot line structure (3) on the metal grounding plate (4), and two ends of the stepped impedance resonator (2) are electrically connected with the metal grounding plate (4); and the input port feeder (1) and the stepped impedance resonator (2) are parallel to a short axis of the dielectric substrate (5). The Vivaldi antenna with notched characteristics is simple in structure, high in radiation gain and good in directivity.

The invention provides a wearable sliding-type static self-powered respiration monitoring device. The monitoring device is applied to respiration monitoring during sleep of the human body and is characterized by comprising a sensing part and a wearable part, wherein the sensing part comprises two sliding-type frictional power generating units, the wearable part comprises inner and outer layers ofannular binding belts adjustable in size, the sliding-type frictional power generating units can convert mechanical energy produced during fluctuation of the thoracic cavity into electric energy to beoutput through electric signals. Compared with existing respiration monitoring devices, the respiration monitoring device does not need an external power supply, can produce electric signals itself and has the advantages of being easy to process and integrate, simple and convenient to operate, high in efficiency and excellent in precision.

The invention relates to a high-selectivity broadband anti-phase filtering power divider based on three-wire coupling, which comprises a dielectric substrate and a circuit layer, wherein the lower surface of the dielectric substrate is provided with a metal grounding plate; the circuit layer is arranged on the upper surface of the dielectric substrate; the circuit layer comprises an input port feeder line, a branch knot loading resonator, a first output port feeder line, a second output port feeder line, an output port connecting line and a grounding resistor; during working, a signal enters from the input port feeder line, is coupled to the branch loading resonator in parallel through the two paths of quarter-wavelength open-circuit coupling lines to generate resonance, and is coupled and output through the first output port feeder line and the second output port feeder line after resonance; the reverse phase difference is generated by the terminal grounding of the first output port feeder line and the phase shift feeder line of the second output port feeder line, and the output port signal isolation is realized by loading a grounding resistor through the output port connecting line. The filter is simple in structure, flexible in design, high in selectivity, large in bandwidth and good in port matching and isolation.

The invention discloses a double-passband balance filter adopting a double-layer circular patch, which comprises an upper dielectric substrate and a lower dielectric substrate, wherein a metal grounding plate is arranged between the upper dielectric substrate and the lower dielectric substrate, a top metal plate of the upper dielectric substrate is provided with a top circular patch, a first inputport feeder line, a second input port feeder line, a top first slot line and a top second slot line, a bottom metal plate of the lower layer dielectric substrate is provided with a bottom circular patch, a first output port feeder line, a second input port feeder line, a bottom first slot line and a bottom second slot line, and the metal grounding plate is provided with a grounding plate first slot line and a grounding plate second slot line. One end of the input port feeder extends to the side edge of the dielectric substrate, and the other end of the input port feeder is tangent to the circular patch.

The invention discloses an integrated substrate gap waveguide four-arm circularly polarized antenna, which comprises an upper dielectric plate, a lower dielectric plate and a spacing dielectric plate,wherein a first copper-clad layer is printed on the upper surface of the upper dielectric plate; a gap is formed in the first copper-clad layer; the lower surface of the upper dielectric plate is printed with a feed microstrip line, a quarter-wavelength impedance converter and a three-fourths-wavelength impedance matching line which are connected in sequence; the impedance matching line is bent into a ring shape from outside to inside; four antenna arms which are perpendicular to each other and are spaced by a quarter of wavelength are arranged on the impedance matching line; an impedance matching patch which is arranged opposite to the impedance converter and has the same size and an annular patch which is arranged opposite to the impedance matching line and has the same size are arranged in the gap; a second copper-clad layer is printed on the lower surface of the lower dielectric plate, round metal patches which are arranged periodically are printed on the upper surface of the lower dielectric plate, and a metal via hole is formed in each round metal patch. The antenna structure can be simplified, the antenna gain and the bandwidth are improved, and the axial ratio bandwidth performance is improved.