CN104966876A - L wave band microwave quadrature power divider - Google Patents
L wave band microwave quadrature power divider Download PDFInfo
- Publication number
- CN104966876A CN104966876A CN201510369578.9A CN201510369578A CN104966876A CN 104966876 A CN104966876 A CN 104966876A CN 201510369578 A CN201510369578 A CN 201510369578A CN 104966876 A CN104966876 A CN 104966876A
- Authority
- CN
- China
- Prior art keywords
- inductance
- double
- pasted
- ohmage
- broadside coupled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses an L wave band microwave quadrature power divider, comprising a microwave millimeter wave power divider and a directional coupler with a band-shaped wire structure. The microwave millimeter wave power divider comprises a surface-mounted input interface, a built-in resistor, and a surface-mounted output interface. The directional coupler comprises a surface-mounted output interface, and a wide edge coupling band-shaped wire which is of a double-spiral structure. The above structure adopts the multilayer low temperature co-fired ceramic technology to realize. The L wave band microwave quadrature power divider is capable of producing a quadrature phase, light in weight, small in volume, high in reliability, good in electric performance, stable in temperature, good in consistency of the electric performance batch, low in cost and applicable to mass production. Furthermore, the L wave band microwave quadrature power divider is applicable to the occasions such as the communication of the corresponding microwave frequency band and the satellite communication having demanding requirements for the volume, the electric performance, the temperature stability and the reliability.
Description
Technical field
The present invention relates to a kind of power splitter, specifically the orthogonal power splitter of a kind of L-band microwave.
Background technology
Nowadays no matter be military radar, electron detection, electronic countermeasures etc., or civilian mobile communication, TV, remote control, all need electronic signal allocation process, this just needs to use a kind of important microwave passive component-power divider (power splitter).It is an a kind of microwave network road signal being divided into two-way or multiple signals, if reversed use, be then power combiner several signals being synthesized a road signal, present power splitter has been widely used in various electronic equipment.Coupler is the important composition parts in various microwave integrated circuit always, because straightthrough port is different from the output of coupling aperture, is therefore connected with power splitter by coupler, can expand the scope of application of power splitter.
LTCC is a kind of Electronic Encapsulating Technology, adopts multi-layer ceramics technology, passive component can be built in medium substrate inside, and also active element can be mounted on substrate surface makes passive/active integrated functional module simultaneously.LTCC technology all shows many merits in cost, integration packaging, wiring live width and distance between centers of tracks, low impedance metal, design diversity and flexibility and high frequency performance etc., has become the mainstream technology of passive integration.The advantages such as it has high q-factor, is convenient to embedded passive device, and thermal diffusivity is good, and reliability is high, high temperature resistant, punching shake, utilize LTCC technology, can well process size little, precision is high, and tight type is good, the microwave device that loss is little.Because LTCC technology has the integrated advantage of 3 D stereo, be widely used for manufacturing various microwave passive components at microwave frequency band, the height realizing passive component is integrated.Based on the stack technology of LTCC technique, can realize three-dimensional integrated, thus size is little, lightweight, performance is excellent, reliability is high, batch production performance consistency is good and the plurality of advantages such as low cost to make various micro microwave filter have, utilize its three-dimensional integrated morphology feature, the orthogonal power splitter of L-band microwave can be realized.
Summary of the invention
The object of the present invention is to provide a kind of orthogonal power splitter device, realize that volume is little, lightweight, reliability is high, excellent electrical property, the orthogonal power splitter of L-band microwave that easy to use, applied widely, rate of finished products is high, batch consistency is good, cost is low, temperature performance is stable.
The technical scheme realizing the object of the invention is: the orthogonal power splitter of a kind of L-band microwave, it comprises the directional coupler of microwave and millimeter wave power splitter and two strip lines configurations.The surface-pasted 50 ohmage input ports of microwave and millimeter wave power splitter, input inductance, the first spiral inductance, the second spiral inductance, the first electric capacity, the second electric capacity, absorption resistance, the first outputting inductance, the second outputting inductance, surface-pasted 50 ohmage first output ports, surface-pasted 50 ohmage second output ports, wherein, first spiral electricity is five layers, be followed successively by first from top to bottom, two, three, four, five layers, second spiral inductance is four layers, be followed successively by first from top to bottom, two, three, four layers, first electric capacity bottom crown is earth terminal, surface-pasted 50 ohmage input ports are connected with input inductance one end, first electric capacity top crown, first spiral inductance layer 5, second spiral inductance the 4th layer is all connected with the input inductance other end, first electric capacity top crown is positioned at the below of the first spiral inductance and the second spiral inductance, absorption resistance one end is connected with the first spiral inductance third layer, the other end is connected with the second spiral inductance second layer, second electric capacity is positioned at directly over absorption resistance, second electric capacity top crown is connected with the first spiral inductance ground floor, bottom crown is connected with the second spiral inductance ground floor, first spiral inductance third layer is connected with the first outputting inductance, the second spiral inductance second layer is connected with the second outputting inductance, first outputting inductance is connected with surface-pasted 50 ohmage first output ports, second outputting inductance is connected with surface-pasted 50 ohmage second output ports.First directional coupler 1 comprises surface-pasted 50 ohmage first input end mouths, surface-pasted 50 ohmage straight-through ports, surface-pasted 50 ohmage coupling port, surface-pasted 50 ohmage isolated ports, first input inductance, the double-stranded broadside coupled striplines of ground floor, first outputting inductance, second outputting inductance, the double-stranded broadside coupled striplines of the second layer, 3rd outputting inductance and earth terminal, wherein, the double-stranded broadside coupled striplines of ground floor is vertically positioned at above the double-stranded broadside coupled striplines of the second layer, first input inductance, the double-stranded broadside coupled striplines of ground floor and the first outputting inductance are at same plane, first input inductance is connected with surface-pasted 50 ohmage input ports, first outputting inductance is connected with surface-pasted 50 ohmage straight-through ports, double-stranded broadside coupled striplines one end of ground floor and first inputs inductance and is connected, the double-stranded broadside coupled striplines other end of ground floor is connected with the first outputting inductance, the double-stranded broadside coupled striplines of second outputting inductance, the second layer and the 3rd outputting inductance are at same plane, second outputting inductance is connected with surface-pasted 50 ohmage coupling port, 3rd outputting inductance is connected with surface-pasted 50 ohmage isolated ports, the double-stranded broadside coupled striplines one end of the second layer is connected with the second outputting inductance, and the double-stranded broadside coupled striplines other end of the second layer is connected with the 3rd outputting inductance.Second directional coupler comprises surface-pasted 50 ohmage first input end mouths, surface-pasted 50 ohmage straight-through ports, surface-pasted 50 ohmage coupling port, surface-pasted 50 ohmage isolated ports, first input inductance, the double-stranded broadside coupled striplines of ground floor, first outputting inductance, second outputting inductance, the double-stranded broadside coupled striplines of the second layer, 3rd outputting inductance and earth terminal, wherein, the double-stranded broadside coupled striplines of ground floor is vertically positioned at above the double-stranded broadside coupled striplines of the second layer, first input inductance, the double-stranded broadside coupled striplines of ground floor and the first outputting inductance are at same plane, first input inductance is connected with surface-pasted 50 ohmage input ports, first outputting inductance is connected with surface-pasted 50 ohmage straight-through ports, the double-stranded broadside coupled striplines left end of ground floor and first inputs inductance and is connected, the double-stranded broadside coupled striplines right-hand member of ground floor is connected with the first outputting inductance, the double-stranded broadside coupled striplines of second outputting inductance, the second layer and the 3rd outputting inductance are at same plane, second outputting inductance is connected with surface-pasted 50 ohmage coupling port, 3rd outputting inductance is connected with surface-pasted 50 ohmage isolated ports, the double-stranded broadside coupled striplines left end of the second layer is connected with the second outputting inductance, and the double-stranded broadside coupled striplines right-hand member of the second layer is connected with the 3rd outputting inductance.First output port of power splitter is connected with the input port of the first directional coupler, and the second output port of power splitter is connected with the input port of the second directional coupler.
Compared with prior art, due to the present invention adopt low-loss low-temperature co-burning ceramic material and 3 D stereo integrated, the remarkable advantage brought is: (1) band in smooth; (2) without the need to external load; (3) shape can be produced identical, two kinds of signal waveforms of phase 90 degree; (4) volume is little, lightweight, reliability is high; (5) excellent electrical property; (6) circuit realiration structure is simple, can realize producing in enormous quantities; (7) cost is low.
Accompanying drawing explanation
Fig. 1 (a) is the contour structures schematic diagram of the orthogonal power splitter of a kind of L-band of the present invention microwave.
Fig. 1 (b) is profile and the internal structure schematic diagram of power splitter in the orthogonal power splitter of a kind of L-band of the present invention microwave.
Fig. 1 (c) is profile and the internal structure schematic diagram of the first directional coupler in the orthogonal power splitter of a kind of L-band of the present invention microwave.
Fig. 1 (d) is profile and the internal structure schematic diagram of the second directional coupler in the orthogonal power splitter of a kind of L-band of the present invention microwave.
Fig. 2 is the amplitude-versus-frequency curve of the orthogonal power splitter output port (P6, P7, P9, P10) of a kind of L-band microwave of the present invention.
Fig. 3 is the stationary wave characteristic curve of the orthogonal power splitter input port (P1) of a kind of L-band microwave of the present invention.
Fig. 4 is the isolation characteristic curve of the orthogonal power splitter output port (P7, P11) of a kind of L-band microwave of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Composition graphs 1(a), (b), (c), (d), the orthogonal power splitter of a kind of L-band microwave of the present invention, the power splitter of this orthogonal power splitter comprises surface-pasted 50 ohmage input port P1, input inductance L in1, the first spiral inductance L1, the second spiral inductance L2, the first electric capacity C1, the second electric capacity C2, absorption resistance R, the first outputting inductance Lout1, the second outputting inductance Lout2, surface-pasted 50 ohmage first output port P2, surface-pasted 50 ohmage second output port P3, wherein, first spiral inductance L1 is five layers, be followed successively by first from top to bottom, two, three, four, five layers, second spiral inductance L2 is four layers, be followed successively by first from top to bottom, two, three, four layers, first electric capacity C1 bottom crown is earth terminal, surface-pasted 50 ohmage input port P1 are connected with input inductance L in one end, first electric capacity C1 top crown, first spiral inductance L1 layer 5, second spiral inductance L2 the 4th layer is all connected with the input inductance L in other end, first electric capacity C1 top crown is positioned at the below of the first spiral inductance L1 and the second spiral inductance L2, absorption resistance R one end is connected with the first spiral inductance L1 third layer, the other end is connected with the second spiral inductance L2 second layer, second electric capacity C2 is positioned at directly over absorption resistance R, second electric capacity C2 top crown is connected with the first spiral inductance L1 ground floor, bottom crown is connected with the second spiral inductance L2 ground floor, first spiral inductance L1 third layer is connected with the first outputting inductance Lout1, the second spiral inductance L2 second layer is connected with the second outputting inductance Lout2, first outputting inductance Lout1 is connected with surface-pasted 50 ohmage first output port P2, second outputting inductance Lout2 is connected with surface-pasted 50 ohmage second output port P3.Directional coupler 1 directional coupler comprises surface-pasted 50 ohmage first input end mouth P4, surface-pasted 50 ohmage straight-through port P5, surface-pasted 50 ohmage coupling port P6, surface-pasted 50 ohmage isolated port P7, first input inductance L in2, the double-stranded broadside coupled striplines U1 of ground floor, first outputting inductance Lout3, second outputting inductance Lout4, the double-stranded broadside coupled striplines U2 of the second layer, 3rd outputting inductance Lout5 and earth terminal, wherein, ground floor double-stranded broadside coupled striplines U1 is vertically positioned at above the double-stranded broadside coupled striplines U2 of the second layer, first input inductance L in2, the double-stranded broadside coupled striplines U1 of ground floor and the first outputting inductance Lout3 is at same plane, first input inductance L in2 is connected with surface-pasted 50 ohmage input port P4, first outputting inductance Lout3 is connected with surface-pasted 50 ohmage straight-through port P5, ground floor double-stranded broadside coupled striplines U1 left end and first inputs inductance L in2 and is connected, ground floor double-stranded broadside coupled striplines U1 right-hand member is connected with the first outputting inductance Lout3, the double-stranded broadside coupled striplines U2 of second outputting inductance Lout4, the second layer and the 3rd outputting inductance Lout5 is at same plane, second outputting inductance Lout4 is connected with surface-pasted 50 ohmage coupling port P6,3rd outputting inductance Lout5 is connected with surface-pasted 50 ohmage isolated port P7, the second layer double-stranded broadside coupled striplines U2 left end is connected with the second outputting inductance Lout4, and the second layer double-stranded broadside coupled striplines U2 right-hand member is connected with the 3rd outputting inductance Lout5.Directional coupler 2 directional coupler comprises surface-pasted 50 ohmage first input end mouth P8, surface-pasted 50 ohmage straight-through port P9, surface-pasted 50 ohmage coupling port P10, surface-pasted 50 ohmage isolated port P11, first input inductance L in3, the double-stranded broadside coupled striplines U3 of ground floor, first outputting inductance Lout6, second outputting inductance Lout7, the double-stranded broadside coupled striplines U4 of the second layer, 3rd outputting inductance Lout8 and earth terminal, wherein, ground floor double-stranded broadside coupled striplines U3 is vertically positioned at above the double-stranded broadside coupled striplines U4 of the second layer, first input inductance L in3, the double-stranded broadside coupled striplines U3 of ground floor and the first outputting inductance Lout6 is at same plane, first input inductance L in3 is connected with surface-pasted 50 ohmage input port P8, first outputting inductance Lout6 is connected with surface-pasted 50 ohmage straight-through port P9, ground floor double-stranded broadside coupled striplines U3 left end and first inputs inductance L in3 and is connected, ground floor double-stranded broadside coupled striplines U3 right-hand member is connected with the first outputting inductance Lout6, the double-stranded broadside coupled striplines U4 of second outputting inductance Lout7, the second layer and the 3rd outputting inductance Lout8 is at same plane, second outputting inductance Lout7 is connected with surface-pasted 50 ohmage coupling port P10,3rd outputting inductance Lout8 is connected with surface-pasted 50 ohmage isolated port P11, the second layer double-stranded broadside coupled striplines U4 left end is connected with the second outputting inductance Lout7, and the second layer double-stranded broadside coupled striplines U4 right-hand member is connected with the 3rd outputting inductance Lout8.First output port P2 of power splitter is connected with the input port P4 of directional coupler 1, and the second output port P3 of power splitter is connected with the input port P8 of directional coupler 2.
Composition graphs 1(a), (b), (c), (d), comprise surface-pasted 50 ohmage input port P1, P4, P8, surface-pasted 50 ohmage straight-through port P5, P9, surface-pasted 50 ohmage coupling port P6, P10, surface-pasted 50 ohmage isolated port P7, P11, surface-pasted 50 ohmage output port P2, P3, input inductance L in1, Lin2, Lin3, double-stranded broadside coupled striplines U1, U2, U3, U4, outputting inductance Lout1, Lout2, Lout3, Lout4, Lout5, Lout6, Lout7, Lout8, spiral inductance L1, L2, ground capacity C1, shunt capacitance C2 and earth terminal all adopt multilayer LTCC technique to realize.
The orthogonal power splitter of L-band microwave of the present invention, owing to being the realization of employing multilayer LTCC technique, its low-temperature co-burning ceramic material and metallic pattern sinter and form at about 900 DEG C of temperature, so have extreme high reliability and temperature stability, because structure adopts, 3 D stereo is integrated to be grounded with multilayer folding structure and outer surface metallic shield and to encapsulate, thus volume is significantly reduced.
In the orthogonal power splitter of L-band microwave of the present invention, the size of power splitter is only 3.2mm × 1.6mm × 0.9mm, and the size of directional coupler is only 5.06mm × 6.33mm × 1.48mm.Its performance can from Fig. 2, Fig. 3, Fig. 4, find out, pass band width is 1.3GHz ~ 1.5GHz, output port P5, output port P6, output port P9 and the output waveform of output port P10 in passband are basically identical, input port return loss is better than 15dB, in passband, the loss of output port P7 and output port P11 is all better than 20dB, achieves the isolation of good signal.
Claims (3)
1. the orthogonal power splitter of L-band microwave, is characterized in that: the directional coupler comprising microwave and millimeter wave power splitter and two strip lines configurations, microwave and millimeter wave power splitter comprises surface-pasted 50 ohmage input ports (P1), input inductance (Lin1), the first spiral inductance (L1), the second spiral inductance (L2), the first electric capacity (C1), the second electric capacity (C2), absorption resistance (R), the first outputting inductance (Lout1), the second outputting inductance (Lout2), surface-pasted 50 ohmage first output ports (P2), surface-pasted 50 ohmage second output ports (P3), wherein, first spiral inductance (L1) is five layers, be followed successively by first from top to bottom, two, three, four, five layers, second spiral inductance (L2) is four layers, be followed successively by first from top to bottom, two, three, four layers, first electric capacity (C1) bottom crown is earth terminal, surface-pasted 50 ohmage input ports (P1) are connected with input inductance (Lin) one end, first electric capacity (C1) top crown, first spiral inductance (L1) layer 5, second spiral inductance (L2) the 4th layer is all connected with input inductance (Lin) other end, first electric capacity (C1) top crown is positioned at the below of the first spiral inductance (L1) and the second spiral inductance (L2), absorption resistance (R) one end is connected with the first spiral inductance (L1) third layer, the other end is connected with the second spiral inductance (L2) second layer, second electric capacity (C2) is positioned at directly over absorption resistance (R), second electric capacity (C2) top crown is connected with the first spiral inductance (L1) ground floor, bottom crown is connected with the second spiral inductance (L2) ground floor, first spiral inductance (L1) third layer is connected with the first outputting inductance (Lout1), second spiral inductance (L2) second layer is connected with the second outputting inductance (Lout2), first outputting inductance (Lout1) is connected with surface-pasted 50 ohmage first output ports (P2), second outputting inductance (Lout2) is connected with surface-pasted 50 ohmage second output ports (P3), first directional coupler 1 comprises surface-pasted 50 ohmage first input end mouths (P4), surface-pasted 50 ohmage straight-through ports (P5), surface-pasted 50 ohmage coupling port (P6), surface-pasted 50 ohmage isolated ports (P7), first input inductance (Lin2), the double-stranded broadside coupled striplines of ground floor (U1), 3rd outputting inductance (Lout3), 4th outputting inductance (Lout4), the double-stranded broadside coupled striplines of the second layer (U2), 5th outputting inductance (Lout5) and earth terminal, wherein, the double-stranded broadside coupled striplines of ground floor (U1) is vertically positioned at the double-stranded broadside coupled striplines of the second layer (U2) top, first input inductance (Lin2), the double-stranded broadside coupled striplines of ground floor (U1) and the 3rd outputting inductance (Lout3) are at same plane, first input inductance (Lin2) is connected with surface-pasted 50 ohmage input ports (P4), 3rd outputting inductance (Lout3) is connected with surface-pasted 50 ohmage straight-through ports (P5), the double-stranded broadside coupled striplines of ground floor (U1) one end and first inputs inductance (Lin2) and is connected, the double-stranded broadside coupled striplines of ground floor (U1) other end is connected with the 3rd outputting inductance (Lout3), 4th outputting inductance (Lout4), the double-stranded broadside coupled striplines of the second layer (U2) and the 5th outputting inductance (Lout5) are at same plane, 4th outputting inductance (Lout4) is connected with surface-pasted 50 ohmage coupling port (P6), 5th outputting inductance (Lout5) is connected with surface-pasted 50 ohmage isolated ports (P7), the double-stranded broadside coupled striplines of the second layer (U2) one end is connected with the 4th outputting inductance (Lout4), the double-stranded broadside coupled striplines of the second layer (U2) other end is connected with the 5th outputting inductance (Lout5), second directional coupler (2) comprises surface-pasted 50 ohmage first input end mouths (P8), surface-pasted 50 ohmage straight-through ports (P9), surface-pasted 50 ohmage coupling port (P10), surface-pasted 50 ohmage isolated ports (P11), second input inductance (Lin3), the double-stranded broadside coupled striplines of ground floor (U3), 6th outputting inductance (Lout6), 7th outputting inductance (Lout7), the double-stranded broadside coupled striplines of the second layer (U4), 8th outputting inductance (Lout8) and earth terminal, wherein, the double-stranded broadside coupled striplines of ground floor (U3) is vertically positioned at the double-stranded broadside coupled striplines of the second layer (U4) top, second input inductance (Lin3), the double-stranded broadside coupled striplines of ground floor (U3) and the 6th outputting inductance (Lout6) are at same plane, second input inductance (Lin3) is connected with surface-pasted 50 ohmage input ports (P8), 6th outputting inductance (Lout6) is connected with surface-pasted 50 ohmage straight-through ports (P9), the double-stranded broadside coupled striplines of ground floor (U3) one end and second inputs inductance (Lin3) and is connected, the double-stranded broadside coupled striplines of ground floor (U3) other end is connected with the 6th outputting inductance (Lout6), 7th outputting inductance (Lout7), the double-stranded broadside coupled striplines of the second layer (U4) and the 8th outputting inductance (Lout8) are at same plane, 7th outputting inductance (Lout7) is connected with surface-pasted 50 ohmage coupling port (P10), 8th outputting inductance (Lout8) is connected with surface-pasted 50 ohmage isolated ports (P11), the double-stranded broadside coupled striplines of the second layer (U4) one end is connected with the 7th outputting inductance (Lout7), the double-stranded broadside coupled striplines of the second layer (U4) other end is connected with the 8th outputting inductance (Lout8), first output port (P2) of power splitter is connected with the input port (P4) of the first directional coupler 1, and second output port (P3) of power splitter is connected with the input port (P8) of the second directional coupler 2.
2. the orthogonal power splitter of L-band microwave according to claim 1, it is characterized in that: described surface-pasted 50 ohmage input port (P1, P4, P8), surface-pasted 50 ohmage straight-through port (P5, P9), surface-pasted 50 ohmage coupling port (P6, P10), surface-pasted 50 ohmage isolated port (P7, P11), surface-pasted 50 ohmage output port (P2, P3), input inductance (Lin1, Lin2, Lin3), double-stranded broadside coupled striplines (U1, U2, U3, U4), outputting inductance (Lout1, Lout2, Lout3, Lout4, Lout5, Lout6, Lout7, Lout8), spiral inductance (L1, L2), first electric capacity (C1), second electric capacity (C2) and earth terminal all adopt multilayer LTCC technique to realize.
3. the orthogonal power splitter of L-band microwave according to claim 1 and 2, it is characterized in that: power splitter first input end mouth (P1) is connected with the first ground capacity (C1), the first spiral inductance (L1), the second spiral inductance (L2) by the first input inductance (Lin1), first spiral inductance (L1) is connected with the first output port (P2) by the first outputting inductance (Lout1), and the second spiral inductance (L2) is connected with the first output port (P3) by the second outputting inductance (Lout2), first directional coupler 1 first input end mouth (P4) is connected with the double-stranded broadside coupled striplines of ground floor (U1) by the first input inductance (Lin2), straight-through port (P5) is connected with the double-stranded broadside coupled striplines of ground floor (U1) by the 3rd outputting inductance (Lout3), coupling port (P6) is connected with the double-stranded broadside coupled striplines of the second layer (U2) by the 4th outputting inductance (Lout4), isolated port (P7) is connected with the double-stranded broadside coupled striplines of the second layer (U2) by the 5th outputting inductance (Lout5), second directional coupler 2 first input end mouth (P8) is connected with the double-stranded broadside coupled striplines of ground floor (U3) by the second input inductance (Lin3), straight-through port (P9) is connected with the double-stranded broadside coupled striplines of ground floor (U3) by the 6th outputting inductance (Lout6), coupling port (P10) is connected with the double-stranded broadside coupled striplines of the second layer (U4) by the 7th outputting inductance (Lout7), isolated port (P11) is connected with the double-stranded broadside coupled striplines of the second layer (U4) by the 8th outputting inductance (Lout8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510369578.9A CN104966876A (en) | 2015-06-29 | 2015-06-29 | L wave band microwave quadrature power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510369578.9A CN104966876A (en) | 2015-06-29 | 2015-06-29 | L wave band microwave quadrature power divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104966876A true CN104966876A (en) | 2015-10-07 |
Family
ID=54220880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510369578.9A Pending CN104966876A (en) | 2015-06-29 | 2015-06-29 | L wave band microwave quadrature power divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104966876A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090224849A1 (en) * | 2008-03-04 | 2009-09-10 | Samsung Electro-Mechanics Co., Ltd. | Band pass filter |
| CN104362997A (en) * | 2014-11-14 | 2015-02-18 | 南京波而特电子科技有限公司 | Miniature LTCC 1.8-GHz power divider with built-in resistor |
| CN104733814A (en) * | 2014-09-13 | 2015-06-24 | 南京理工大学 | Miniature dual microwave and millimeter wave self-load I/Q quadrature filter |
-
2015
- 2015-06-29 CN CN201510369578.9A patent/CN104966876A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090224849A1 (en) * | 2008-03-04 | 2009-09-10 | Samsung Electro-Mechanics Co., Ltd. | Band pass filter |
| CN104733814A (en) * | 2014-09-13 | 2015-06-24 | 南京理工大学 | Miniature dual microwave and millimeter wave self-load I/Q quadrature filter |
| CN104362997A (en) * | 2014-11-14 | 2015-02-18 | 南京波而特电子科技有限公司 | Miniature LTCC 1.8-GHz power divider with built-in resistor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103413993B (en) | Distributed type minisize band leads to balance filter | |
| CN104409802B (en) | The self-supported I/Q orthogonal filters of miniature microwave and millimeter wave | |
| CN104241747A (en) | Miniature active microwave and millimeter wave I/Q variable phase reversal quadrature filter | |
| CN104733814A (en) | Miniature dual microwave and millimeter wave self-load I/Q quadrature filter | |
| CN104966880A (en) | Novel structure LTCC Wilkinson power divider | |
| CN104953212A (en) | UHF (ultra high frequency) band type miniature microwave filter bank | |
| CN105048048A (en) | L-band microwave self-loading orthogonal power divider | |
| CN104078729A (en) | Miniature microwave millimeter wave external load I/Q variable phase inversion orthogonal filter | |
| CN104538711B (en) | Miniature microwave and millimeter wave I/Q filter | |
| CN103985929B (en) | A kind of high suppression module minisize band-pass filter | |
| CN104966879A (en) | Subminiature power divider with built-in absorption resistor | |
| CN105048027A (en) | L-band miniature double-microwave balance power dividing filter | |
| CN104967423A (en) | UHF waveband miniature duplexer | |
| CN104953974A (en) | UHF (ultra high frequency) band type miniature microwave filter bank | |
| CN104966875A (en) | Microwave millimeter wave active balance filtering power divider | |
| CN105070988A (en) | S-waveband power dividing filter based on low-temperature co-fired ceramic (LTCC) | |
| CN104967424A (en) | UHF and SHF waveband miniature duplexer | |
| CN104409805A (en) | Miniature double microwave and millimeter-wave I/Q orthogonal filter | |
| CN104934673A (en) | L-band minisize double microwave self-loading orthogonal power divider | |
| CN104091983B (en) | The self-supported I/Q of miniature microwave and millimeter wave variable paraphase orthogonal filter | |
| CN105048026A (en) | Miniature 1.4GHz power divider based on three-dimensional integration | |
| CN105048049A (en) | S-band microwave quadrature power divider | |
| CN105428758A (en) | UHF and L waveband miniature duplexer | |
| CN105186076A (en) | LTCC-based S-waveband self-loaded four-path quadrature filter | |
| CN105119584A (en) | UHF band miniature microwave filter group based on LTCC technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Dai Yongsheng Inventor after: Li Yongshuai Inventor after: Zhou Yanfang Inventor after: Qiao Dongchun Inventor before: Li Yongshuai Inventor before: Zhou Yanfang Inventor before: Dai Yongsheng Inventor before: Qiao Dongchun |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151007 |
|
| RJ01 | Rejection of invention patent application after publication |