CN107591602A - A kind of power splitters of symmetrical structure LTCC six - Google Patents
A kind of power splitters of symmetrical structure LTCC six Download PDFInfo
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- CN107591602A CN107591602A CN201710718013.6A CN201710718013A CN107591602A CN 107591602 A CN107591602 A CN 107591602A CN 201710718013 A CN201710718013 A CN 201710718013A CN 107591602 A CN107591602 A CN 107591602A
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Abstract
The invention discloses a kind of six power splitters of symmetrical structure, power splitter forms electric capacity, inductance by lumped-parameter element and forms reactance network, and overall structure is symmetrical, each element three-dimensional integration, realized with multilayer LTCC technology, the volume of device is significantly reduced.The present invention can make input signal power six be distributed to six output ports, have the advantages that Insertion Loss is small, isolation is high, two-port phase difference is small for output, small volume, in light weight, reliability is high, good electrical property, cost is low, can be mass-produced, it can be used as separate part, have the occasion of rigors and corresponding system to volume, electrical property, temperature stability and reliability suitable for the communication of corresponding microwave frequency band, handheld terminal, digital radar etc..
Description
Technical field
The invention belongs to microwave radio field, and in particular to a kind of power splitters of symmetrical structure LTCC six, be widely used in moving
The satellite communications such as dynamic communication, triones navigation system.
Background technology
Wireless communication technology is quickly grown, and market scope expands therewith, and people are cured to the performance requirement of microwave radio device
Come higher, mobile communication, satellite communication and the trend miniaturization of Defensive Avionics System device, therefore miniaturization has also turned into recent years
The developing direction of microwave/RF application.The use frequency range of existing national defence tip device has been quite full, so equipment work frequency
Section develops towards millimeter wave band, and the fast development of multi-channel multiplexing technology causes microwave and millimeter wave waveband multi-path power splitter
Have become the critical electronic part in the band reception and transmitting branch, describe this component capabilities and refer mainly to indicate：It is logical
Isolation, passband input/output voltage standing-wave ratio, output port between band operating frequency range, pass band insertion loss, output port
Phase difference, insertion phase shift and delay/frequency characteristic, reliability etc..
LTCC Technology uses multi-layer ceramics technique, can make passive device in ceramic dielectric by Electronic Packaging
Encapsulation.The low temperature co-fired characteristic of LTCC technology ensure that the metal of high conductivity can carry out internal printing, to prepare low conduction
Loss, high quality factor, the passive device of high stability.Multilayer laminated technique based on LTCC techniques can effectively reduce filtering
Device size and insertion loss, so as to more excellent performance.
The content of the invention
It is an object of the invention to provide it is a kind of have compared with low insertion loss power splitter, and with size it is small, it is in light weight,
The power splitter of microwave six for the symmetrical structures of performance such as reliability is high, simple in construction, batch uniformity is good, cost is low.
Realizing the technical scheme of the object of the invention is：A kind of power splitters of symmetrical structure LTCC six, including the Europe of characteristic impedance 50
The input port P1 of nurse, the first output port P2 of 50 ohm of characteristic impedance, 50 ohm of characteristic impedance the second output port P3,
3rd output port P4 of 50 ohm of characteristic impedance, the 4th output port P5 of 50 ohm of characteristic impedance, 50 ohm of characteristic impedance
The 5th output port P6, the 6th output port P7 of 50 ohm of characteristic impedance, the first grounding ports P8, the second grounding ports
P9, the 3rd grounding ports P10, the 4th grounding ports P11, ground plane GND, input connecting line Lin, connecting pole H1, ground capacity
C1, the first electric capacity C2, the second electric capacity C3, the 3rd electric capacity C4, the 4th electric capacity C5, the 5th electric capacity C6, the 6th electric capacity C7, the first spiral
Inductance L1, the second spiral inductance L2, the 3rd spiral inductance L3, the 4th spiral inductance L4, the 5th spiral inductance L5, the 6th spiral electricity
Feel L6, the first isolation resistance R1, the second isolation resistance R2, the 3rd isolation resistance R3, the 4th isolation resistance R4, the 5th isolation resistance
R5, the 6th isolation resistance R6, public fishplate bar G1, the first output connecting line Lout1, the second output connecting line Lout2, the 3rd output
Connecting line Lout3, the 4th output connecting line Lout4, the 5th output connecting line Lout5, the 6th output connecting line Lout6.
The input port P1 of 50 ohm of characteristic impedance is connected with the input main branch of connecting line Lin, at input connecting line Lin centers
It is connected with connecting pole H1 upper ends.Step is connected with connecting pole H1 lower ends on ground capacity C1, and bottom crown is ground plane GND.It is described
Horizontal line where the main branch of input connecting line Lin that six power splitters are connected using the input port P1 with 50 ohm of characteristic impedance is an axle left side
Right space is symmetrical, and the first spiral inductance L1, the second spiral inductance L2, the 3rd spiral inductance L3 are located at left-half, the 6th spiral
Inductance L6, the 5th spiral inductance L5, the 4th spiral inductance L4 are located at right half part.First spiral inductance L1, the second spiral inductance
L2, the 3rd spiral inductance L3, the 4th spiral inductance L4, the 5th spiral inductance L5 and the 6th spiral inductance L6 are from top to bottom
Five layers.First spiral inductance L1 layer 5s, the second spiral inductance L2 layer 5s, the 3rd spiral inductance L3 layer 5s, the 4th spiral
Inductance L4 layer 5s, the 5th spiral inductance L5 layer 5s and the 6th spiral inductance L6 layer 5s are respectively by inputting connecting line Lin
Each branch line be connected with connecting pole H1 upper ends；First spiral inductance L1 first layers are connected with the first output connecting line Lout1, the
Two spiral inductance L2 first layers are connected with the second output connecting line Lout2, and the 3rd spiral inductance L3 first layers and the 3rd output connect
Wiring Lout3 connections, the 4th spiral inductance L4 first layers are connected with the 4th output connecting line Lout4, the 5th spiral inductance L5 the
One layer is connected with the 5th output connecting line Lout5, and the 6th spiral inductance L6 first layers are connected with the 6th output connecting line Lout6.
First output port P2 of the first 50 ohm of output connecting line Lout1 and characteristic impedance be connected, second export connecting line Lout2 and
Second output port P3 connections of 50 ohm of characteristic impedance, the 3rd output connecting line Lout3 and the 3rd of 50 ohm of characteristic impedance
Output port P4 connections, the 4th output port P5 of the 4th 50 ohm of output connecting line Lout4 and characteristic impedance are connected, and the 5th is defeated
The 5th output port P6 for going out 50 ohm of connecting line Lout5 and characteristic impedance is connected, and the 6th output connecting line Lout6 hinders with feature
The 6th anti-50 ohm output port P7 connections.First electric capacity C2, the second electric capacity C3, the 3rd electric capacity C4, the 4th electric capacity C5, the 5th
Electric capacity C6, the 6th electric capacity C7 upper step are public fishplate bar G1.The of 50 ohm of first electric capacity C2 bottom crowns and characteristic impedance
One output port P2 connections, the second output port P3 of 50 ohm of the second electric capacity C3 bottom crowns and characteristic impedance are connected, the 3rd electricity
Hold C4 bottom crowns to be connected with the surface-pasted output port P4 of 50 ohmage the 3rd, the 4th electric capacity C5 bottom crowns and characteristic impedance
50 ohm of the 4th output port P5 connections, the 5th electric capacity C6 bottom crowns and the 5th output port P6 of 50 ohm of characteristic impedance connect
Connect, the 6th output port P7 of 50 ohm of the 6th electric capacity C7 bottom crowns and characteristic impedance is connected.There are 6 one end on public fishplate bar G1
The package surface resistance to connect therewith, it is the first isolation resistance R1, the second isolation resistance R2, the 3rd isolation resistance R3, respectively
Four isolation resistance R4, the 5th isolation resistance R5, the 6th isolation resistance R6.The first isolation resistance R1 other end and characteristic impedance 50
The first output port P2 connections of ohm, the second isolation resistance R2 other end and the second output port of 50 ohm of characteristic impedance
P3 connections, the 3rd output port P4 of the 3rd isolation resistance R3 50 ohm of the other end and characteristic impedance are connected, the 4th isolation electricity
The 4th output port P5 for hindering R4 50 ohm of the other end and characteristic impedance is connected, the 5th isolation resistance the R5 other end and feature
5th output port P6 connections of 50 ohm of impedance, the 6th of the 6th isolation resistance R6 50 ohm of the other end and characteristic impedance are defeated
Exit port P7 connections.First grounding ports P8, the second grounding ports P9, the 3rd grounding ports P10, the 4th grounding ports P11 are equal
It is connected with ground plane GND.
The input port P1 of 50 ohm of characteristic impedance, the first output port P2 of 50 ohm of characteristic impedance, characteristic impedance 50
The second output port P3 of ohm, the 3rd output port P4 of 50 ohm of characteristic impedance, the 4th output of 50 ohm of characteristic impedance
Port P5, the 5th output port P6 of 50 ohm of characteristic impedance, the 6th output port P7 of 50 ohm of characteristic impedance, the first ground connection
Port P8, the second grounding ports P9, the 3rd grounding ports P10, the 4th grounding ports P11, ground plane GND, input connecting line
Lin, connecting pole H1, ground capacity C1, the first electric capacity C2, the second electric capacity C3, the 3rd electric capacity C4, the 4th electric capacity C5, the 5th electric capacity
C6, the 6th electric capacity C7, the first spiral inductance L1, the second spiral inductance L2, the 3rd spiral inductance L3, the 4th spiral inductance L4,
Five spiral inductance L5, the 6th spiral inductance L6, the first isolation resistance R1, the second isolation resistance R2, the 3rd isolation resistance R3, the 4th
Isolation resistance R4, the 5th isolation resistance R5, the 6th isolation resistance R6, public fishplate bar G1, the first output connecting line Lout1, second
Export connecting line Lout2, the 3rd output connecting line Lout3, the 4th output connecting line Lout4, the 5th output connecting line Lout5,
6th output connecting line Lout6 is realized using multilayer LTCC technique.Described inductance uses 3-dimensional multi-layered spiral shell
Rotating structure, electric capacity use the structure of parallel metal sheet-medium-parallel metal sheet form, and isolation resistance uses SMT pasters
Resistance, level are attached on six power splitter package surfaces.
Compared with prior art, the present invention is made using low-temperature co-burning ceramic material, and model uses three-dimensional integration, and
With symmetrical structure simple in construction, its advantage is：（1）Size is small, in light weight, reliability is high；（2）Low-loss, it is high
Conductance, function admirable；（3）Circuit realiration is simple in construction.
Brief description of the drawings
Fig. 1（a）It is a kind of internal structure schematic diagram of the power splitters of symmetrical structure LTCC six of the present invention, Fig. 1（b）It is the present invention
A kind of package surface schematic diagram of the power splitters of symmetrical structure LTCC six.
Fig. 2 is a kind of power splitter input/output port insertion loss curve maps of symmetrical structure LTCC six of the present invention.
Fig. 3 is a kind of power splitter input port return loss plot figures of symmetrical structure LTCC six of the present invention.
Fig. 4 is isolation curve map between a kind of each port of the power splitters of symmetrical structure LTCC six of the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
With reference to Fig. 1（a）、（b）, a kind of power splitters of symmetrical structure LTCC six, include the input port of 50 ohm of characteristic impedance
P1, the first output port P2 of 50 ohm of characteristic impedance, the second output port P3 of 50 ohm of characteristic impedance, the Europe of characteristic impedance 50
3rd output port P4 of nurse, the 4th output port P5 of 50 ohm of characteristic impedance, the 5th output end of 50 ohm of characteristic impedance
Mouth P6, the 6th output port P7 of 50 ohm of characteristic impedance, the first grounding ports P8, the second grounding ports P9, the 3rd earth terminal
Mouthful P10, the 4th grounding ports P11, ground plane GND, input connecting line Lin, connecting pole H1, ground capacity C1, the first electric capacity C2,
Second electric capacity C3, the 3rd electric capacity C4, the 4th electric capacity C5, the 5th electric capacity C6, the 6th electric capacity C7, the first spiral inductance L1, the second spiral shell
Revolve inductance L2, the 3rd spiral inductance L3, the 4th spiral inductance L4, the 5th spiral inductance L5, the 6th spiral inductance L6, the first isolation
Resistance R1, the second isolation resistance R2, the 3rd isolation resistance R3, the 4th isolation resistance R4, the 5th isolation resistance R5, the 6th isolation electricity
Hinder R6, public fishplate bar G1, the first output connecting line Lout1, the second output connecting line Lout2, the 3rd output connecting line Lout3,
4th output connecting line Lout4, the 5th output connecting line Lout5, the 6th output connecting line Lout6.
With reference to Fig. 1（a）、（b）, the input port P1 of 50 ohm of characteristic impedance be connected with input connecting line Lin main branch, input
It is connected at connecting line Lin centers with connecting pole H1 upper ends.Step is connected with connecting pole H1 lower ends on ground capacity C1, and bottom crown is
Ground plane GND.The main branch institutes of input connecting line Lin that six power splitter is connected with the input port P1 with 50 ohm of characteristic impedance
It is axle or so space symmetr in horizontal line, the first spiral inductance L1, the second spiral inductance L2, the 3rd spiral inductance L3 are positioned at left half
Part, the 6th spiral inductance L6, the 5th spiral inductance L5, the 4th spiral inductance L4 are located at right half part.First spiral inductance L1,
Second spiral inductance L2, the 3rd spiral inductance L3, the 4th spiral inductance L4, the 5th spiral inductance L5 and the 6th spiral inductance L6 are equal
For five layers from top to bottom.First spiral inductance L1 layer 5s, the second spiral inductance L2 layer 5s, the 3rd spiral inductance L3 the 5th
Layer, the 4th spiral inductance L4 layer 5s, the 5th spiral inductance L5 layer 5s and the 6th spiral inductance L6 layer 5s are respectively by defeated
Each branch line for entering connecting line Lin is connected with connecting pole H1 upper ends；First spiral inductance L1 first layers and the first output connecting line
Lout1 is connected, and the second spiral inductance L2 first layers are connected with the second output connecting line Lout2, the 3rd spiral inductance L3 first layers
It is connected with the 3rd output connecting line Lout3, the 4th spiral inductance L4 first layers are connected with the 4th output connecting line Lout4, and the 5th
Spiral inductance L5 first layers are connected with the 5th output connecting line Lout5, and the 6th spiral inductance L6 first layers and the 6th output connect
Line Lout6 connections.First output port P2 of the first 50 ohm of output connecting line Lout1 and characteristic impedance is connected, and second exports
Second output port P3 of 50 ohm of connecting line Lout2 and characteristic impedance is connected, the 3rd output connecting line Lout3 and characteristic impedance
50 ohm of the 3rd output port P4 connections, the 4th output connecting line Lout4 and the 4th output port of 50 ohm of characteristic impedance
P5 connections, the 5th output port P6 of the 5th 50 ohm of output connecting line Lout5 and characteristic impedance are connected, and the 6th exports connecting line
6th output port P7 of 50 ohm of Lout6 and characteristic impedance is connected.First electric capacity C2, the second electric capacity C3, the 3rd electric capacity C4,
Four electric capacity C5, the 5th electric capacity C6, the 6th electric capacity C7 upper step are public fishplate bar G1.First electric capacity C2 bottom crowns hinder with feature
The first anti-50 ohm output port P2 connections, the second electric capacity C3 bottom crowns and the second output port P3 of 50 ohm of characteristic impedance
Connection, the 3rd electric capacity C4 bottom crowns are connected with the surface-pasted output port P4 of 50 ohmage the 3rd, pole under the 4th electric capacity C5
4th output port P5 of 50 ohm of plate and characteristic impedance is connected, the 5th electric capacity C6 bottom crowns and the 5th of 50 ohm of characteristic impedance
Output port P6 connections, the 6th output port P7 of 50 ohm of the 6th electric capacity C7 bottom crowns and characteristic impedance are connected.Public fishplate bar
There is the package surface resistance that 6 one end connect therewith on G1, be the first isolation resistance R1, the second isolation resistance R2, the 3rd respectively
Isolation resistance R3, the 4th isolation resistance R4, the 5th isolation resistance R5, the 6th isolation resistance R6.First isolation resistance R1's is another
End is connected with the first output port P2 of 50 ohm of characteristic impedance, 50 ohm of the second isolation resistance R2 other end and characteristic impedance
The second output port P3 connections, the 3rd isolation resistance R3 other end and the 3rd output port P4 of 50 ohm of characteristic impedance connect
Connect, the 4th output port P5 of the 4th isolation resistance R4 50 ohm of the other end and characteristic impedance is connected, the 5th isolation resistance R5
The 5th output port P6 of 50 ohm of the other end and characteristic impedance be connected, the 6th isolation resistance R6 other end and characteristic impedance
50 ohm of the 6th output port P7 connections.First grounding ports P8, the second grounding ports P9, the 3rd grounding ports P10, the 4th
Grounding ports P11 is connected with ground plane GND.
The input port P1 of 50 ohm of characteristic impedance, the first output port P2 of 50 ohm of characteristic impedance, characteristic impedance 50
The second output port P3 of ohm, the 3rd output port P4 of 50 ohm of characteristic impedance, the 4th output of 50 ohm of characteristic impedance
Port P5, the 5th output port P6 of 50 ohm of characteristic impedance, the 6th output port P7 of 50 ohm of characteristic impedance, the first ground connection
Port P8, the second grounding ports P9, the 3rd grounding ports P10, the 4th grounding ports P11, ground plane GND, input connecting line
Lin, connecting pole H1, ground capacity C1, the first electric capacity C2, the second electric capacity C3, the 3rd electric capacity C4, the 4th electric capacity C5, the 5th electric capacity
C6, the 6th electric capacity C7, the first spiral inductance L1, the second spiral inductance L2, the 3rd spiral inductance L3, the 4th spiral inductance L4,
Five spiral inductance L5, the 6th spiral inductance L6, the first isolation resistance R1, the second isolation resistance R2, the 3rd isolation resistance R3, the 4th
Isolation resistance R4, the 5th isolation resistance R5, the 6th isolation resistance R6, public fishplate bar G1, the first output connecting line Lout1, second
Export connecting line Lout2, the 3rd output connecting line Lout3, the 4th output connecting line Lout4, the 5th output connecting line Lout5,
6th output connecting line Lout6 is realized using multilayer LTCC technique.Described inductance uses 3-dimensional multi-layered spiral shell
Rotating structure, electric capacity use the structure of parallel metal sheet-medium-parallel metal sheet form, and isolation resistance uses 0402 envelope
The SMT Chip-Rs of size are filled, level is attached on six power splitter package surfaces.
A kind of power splitters of symmetrical structure LTCC six, realized using multilayer LTCC technique, its LTCC
Material and interior metal figure sinter at a temperature of about 900 DEG C to be formed, therefore has extreme high reliability and temperature stability.
Structure uses three-dimensional integration, and element has multilayer folding structure and outer surface is grounded and encapsulated with metal screen layer,
So that cost is preferably minimized.
The present invention relates to a kind of size of six power splitters based on LTCC technology with symmetrical structure be only 6mm × 6mm ×
0.9mm, its performance can be found out from Fig. 2, Fig. 3, Fig. 4, bandwidth 1GHz ~ 1.2GHz, each port insertion loss about 7.8dB, input defeated
Exit port return loss is better than 20dB, and the isolation between two-port is all higher than 25 dB.
Claims (5)
- A kind of 1. power splitters of symmetrical structure LTCC six, it is characterised in that：Including 50 ohm of input port of characteristic impedance（P1）, it is special Levy the first output port of 50 ohm of impedance（P2）, 50 ohm of characteristic impedance the second output port（P3）, the Europe of characteristic impedance 50 3rd output port of nurse（P4）, 50 ohm of characteristic impedance the 4th output port（P5）, 50 ohm of characteristic impedance it is the 5th defeated Exit port（P6）, 50 ohm of characteristic impedance the 6th output port（P7）, the first grounding ports（P8）, the second grounding ports （P9）, the 3rd grounding ports（P10）, the 4th grounding ports（P11）, ground plane（GND）, input connecting line（Lin）, connecting pole （H1）, ground capacity（C1）, the first electric capacity（C2）, the second electric capacity（C3）, the 3rd electric capacity（C4）, the 4th electric capacity（C5）, the 5th electricity Hold（C6）, the 6th electric capacity（C7）, the first spiral inductance（L1）, the second spiral inductance（L2）, the 3rd spiral inductance（L3）, the 4th spiral shell Revolve inductance（L4）, the 5th spiral inductance（L5）, the 6th spiral inductance（L6）, the first isolation resistance（R1）, the second isolation resistance （R2）, the 3rd isolation resistance（R3）, the 4th isolation resistance（R4）, the 5th isolation resistance（R5）, the 6th isolation resistance（R6）, it is public Fishplate bar（G1）, first output connecting line（Lout1）, second output connecting line（Lout2）, the 3rd output connecting line（Lout3）, Four output connecting lines（Lout4）, the 5th output connecting line（Lout5）, the 6th output connecting line（Lout6）；The input port that 50 ohm of characteristic impedance（P1）With inputting connecting line（Lin）Main branch connection, inputs connecting line（Lin）Six Individual branch connects in the divergent shape spiral inductance circular with surrounding, the center and connecting pole（H1）Upper end is connected；Connecting pole （H1）Lower end and ground capacity（C1）Upper step is connected, and bottom crown is ground plane（GND）；Six power splitter with characteristic impedance 50 ohm of input port（P1）The input connecting line to connect（Lin）Horizontal line where main branch is that shaft space is symmetrical, the first spiral Inductance（L1）, the second spiral inductance（L2）, the 3rd spiral inductance（L3）Positioned at one side of something, the 6th spiral inductance（L6）, the 5th spiral Inductance（L5）, the 4th spiral inductance（L4）Positioned at another one side of something；First spiral inductance（L1）, the second spiral inductance（L2）, the 3rd Spiral inductance（L3）, the 4th spiral inductance（L4）, the 5th spiral inductance（L5）With the 6th spiral inductance（L6）It is from top to bottom Five layers；First spiral inductance（L1）Layer 5, the second spiral inductance（L2）Layer 5, the 3rd spiral inductance（L3）Layer 5, 4th spiral inductance（L4）Layer 5, the 5th spiral inductance（L5）Layer 5 and the 6th spiral inductance（L6）Layer 5 passes through respectively Input connecting line（Lin）Each branch line and connecting pole（H1）Upper end is connected；First spiral inductance（L1）First layer is defeated with first Go out connecting line（Lout1）It is connected, the second spiral inductance（L2）First layer and the second output connecting line（Lout2）It is connected, the 3rd spiral shell Revolve inductance（L3）First layer and the 3rd output connecting line（Lout3）Connection, the 4th spiral inductance（L4）First layer and the 4th output Connecting line（Lout4）Connection, the 5th spiral inductance（L5）First layer and the 5th output connecting line（Lout5）Connection, the 6th spiral Inductance（L6）First layer and the 6th output connecting line（Lout6）Connection；First output connecting line（Lout1）With the Europe of characteristic impedance 50 First output port of nurse（P2）Connection, the second output connecting line（Lout2）With 50 ohm of the second output port of characteristic impedance （P3）Connection, the 3rd output connecting line（Lout3）With 50 ohm of the 3rd output port of characteristic impedance（P4）Connection, the 4th output Connecting line（Lout4）With 50 ohm of the 4th output port of characteristic impedance（P5）Connection, the 5th output connecting line（Lout5）With spy Levy the 5th output port of 50 ohm of impedance（P6）Connection, the 6th output connecting line（Lout6）With the of 50 ohm of characteristic impedance Six output ports（P7）Connection；First electric capacity（C2）, the second electric capacity（C3）, the 3rd electric capacity（C4）, the 4th electric capacity（C5）, the 5th electricity Hold（C6）, the 6th electric capacity（C7）Upper step be public fishplate bar（G1）；First electric capacity（C2）Bottom crown and the Europe of characteristic impedance 50 First output port of nurse（P2）Connection, the second electric capacity（C3）Bottom crown and the second output port of 50 ohm of characteristic impedance（P3） Connection, the 3rd electric capacity（C4）Bottom crown and the surface-pasted output port of 50 ohmage the 3rd（P4）Connection, the 4th electric capacity （C5）Bottom crown and the 4th output port of 50 ohm of characteristic impedance（P5）Connection, the 5th electric capacity（C6）Bottom crown and characteristic impedance 50 ohm of the 5th output port（P6）Connection, the 6th electric capacity（C7）Bottom crown and the 6th output port of 50 ohm of characteristic impedance （P7）Connection；Public fishplate bar（G1）Three sides respectively have two package surface resistance for being connected across output port and G1 upper surfaces, point It is not the first isolation resistance（R1）, the second isolation resistance（R2）, the 3rd isolation resistance（R3）, the 4th isolation resistance（R4）, the 5th Isolation resistance（R5）, the 6th isolation resistance（R6）；First isolation resistance（R1）50 ohm of the other end and characteristic impedance first Output port（P2）Connection, the second isolation resistance（R2）50 ohm of the other end and characteristic impedance the second output port（P3）Even Connect, the 3rd isolation resistance（R3）50 ohm of the other end and characteristic impedance the 3rd output port（P4）Connection, the 4th isolation electricity Resistance（R4）50 ohm of the other end and characteristic impedance the 4th output port（P5）Connection, the 5th isolation resistance（R5）The other end With 50 ohm of the 5th output port of characteristic impedance（P6）Connection, the 6th isolation resistance（R6）The other end and the Europe of characteristic impedance 50 6th output port of nurse（P7）Connection；First grounding ports（P8）, the second grounding ports（P9）, the 3rd grounding ports（P10）、 4th grounding ports（P11）And ground plane（GND）It is connected.
- 2. the power splitters of symmetrical structure LTCC six according to claim 1, it is characterised in that：50 ohm of the characteristic impedance Input port（P1）, 50 ohm of characteristic impedance the first output port（P2）, 50 ohm of characteristic impedance the second output port （P3）, 50 ohm of characteristic impedance the 3rd output port（P4）, 50 ohm of characteristic impedance the 4th output port（P5）, feature resistance The 5th anti-50 ohm output port（P6）, 50 ohm of characteristic impedance the 6th output port（P7）, the first grounding ports（P8）、 Second grounding ports（P9）, the 3rd grounding ports（P10）, the 4th grounding ports（P11）, ground plane（GND）, input connecting line （Lin）, connecting pole（H1）, ground capacity（C1）, the first electric capacity（C2）, the second electric capacity（C3）, the 3rd electric capacity（C4）, the 4th electric capacity （C5）, the 5th electric capacity（C6）, the 6th electric capacity（C7）, the first spiral inductance（L1）, the second spiral inductance（L2）, the 3rd spiral inductance （L3）, the 4th spiral inductance（L4）, the 5th spiral inductance（L5）, the 6th spiral inductance（L6）, the first isolation resistance（R1）, second Isolation resistance（R2）, the 3rd isolation resistance（R3）, the 4th isolation resistance（R4）, the 5th isolation resistance（R5）, the 6th isolation resistance （R6）, public fishplate bar（G1）, first output connecting line（Lout1）, second output connecting line（Lout2）, the 3rd output connecting line （Lout3）, the 4th output connecting line（Lout4）, the 5th output connecting line（Lout5）, the 6th output connecting line（Lout6）Adopt Realized with multilayer LTCC technique.
- 3. the power splitters of symmetrical structure LTCC six according to claim 1, it is characterised in that：Described inductance is using three-dimensional Multi-deck screw type structure, electric capacity use the structure of parallel metal sheet-medium-parallel metal sheet form.
- 4. the power splitters of symmetrical structure LTCC six according to claim 1, it is characterised in that：By spiral inductance and parallel-plate electricity Hold on three sides where six resonance structures formed are uniformly distributed in the output port of six power splitter, and each resonance structure Size all same.
- 5. the power splitters of symmetrical structure LTCC six according to claim 1, it is characterised in that：Described isolation resistance uses SMT Chip-Rs, level are attached at six power splitter package surfaces.
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Citations (8)
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| US6819202B2 (en) * | 2002-02-13 | 2004-11-16 | Scientific Components | Power splitter having counter rotating circuit lines |
| JP2005044955A (en) * | 2003-07-28 | 2005-02-17 | Orient Micro Wave:Kk | Circuit device using laminated substrate |
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