CN104617365B - A kind of LTCC serpentine power splitter - Google Patents
A kind of LTCC serpentine power splitter Download PDFInfo
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- CN104617365B CN104617365B CN201410757845.5A CN201410757845A CN104617365B CN 104617365 B CN104617365 B CN 104617365B CN 201410757845 A CN201410757845 A CN 201410757845A CN 104617365 B CN104617365 B CN 104617365B
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Abstract
The present invention relates to power splitter more particularly to a kind of LTCC serpentine power splitters.The power splitter includes the mark layer for being arranged successively setting above and below, wire spiral layer, metal screen layer, metal serpentine layer and BTM layers.LTCC serpentine power splitter energy of the invention realizes function point from the 2 ends output that metal serpentine layer left end enters through wire spiral.LTCC serpentine power splitter of the invention has performance good, and insertion loss is low, and structure is simple, and size is small, easy to make, is convenient for the advantages that integrated.
Description
Technical field
The present invention relates to power splitter more particularly to a kind of LTCC serpentine power splitters.
Background technique
Currently, wireless communication technique high speed development, the scope of business constantly expand, and demand of the people to wireless product increases rapidly
Long, power splitter just plays important role in these product circuits, and with the development of communication technology and obtain constantly into
Exhibition.New communication system requirements develop it is a kind of can be extracted in specific frequency band and the new technology of detecting signal, and this new skill
The development of art has further speeded up the research and development of power splitter technology.
Power splitter can be used for WLAN, bluetooth, satellite television and PHS, have low insertion loss, highly attenuating and small size
The design of SMD chip reduces complicated instruction work, simplifies circuit.
Summary of the invention
In order to further speed up the research and development of power splitter technology, LTCC of the present invention provides a kind of LTCC serpentine function
Divide device.The LTCC serpentine power splitter has loss low, and radiation characteristic is good, and at low cost, size is small, is easy to make, convenient for integrated
The advantages that.
In order to achieve the above purpose, present invention employs technical solutions below:
A kind of LTCC serpentine power splitter, the power splitter include wire spiral layer, the metal for being arranged successively setting up and down
Shielded layer and metal serpentine layer；The wire spiral layer includes the second substrate and two perficial helical lines, two surfaces
Helix is symmetrical to be arranged on the second substrate, and the center of perficial helical line is tie point, and perficial helical line prolongs to external spiral
Extend to the second substrate side connection output end；The metal screen layer includes third substrate and rectangular patterns, and rectangular patterns are set
It sets on the surface of third substrate, borehole is arranged in the corresponding position of tie point in rectangular patterns, and distinguishes in the two sides of rectangular patterns
It is provided with the minor matters pattern for ground connection；The metal serpentine layer includes the 4th substrate and T-shaped branch's serpentine, T word
The surface of the 4th substrate is arranged in shape branch serpentine, and one end of T-shaped branch's serpentine connects input terminal, and other end branch is in
Two serpentines, the end of two serpentines pass through metallic vias column across borehole and respectively and on two perficial helical lines respectively
Tie point be connected.
Preferably, the power splitter further includes mark layers, the mark layers of top that wire spiral layer is set, mark layers by
First substrate and the mark being arranged on the first substrate point are constituted.
Preferably, the power splitter further includes BTM layers, the BTM layers of lower section for being arranged in metal serpentine layer, BTM layers by
Five substrates and multiple rectangular blocks that the 5th substrate two sides are arranged in are constituted.
Preferably, the first substrate, the second substrate, third substrate, the 4th substrate and the 5th substrate material be ceramics
Material, the material of perficial helical line, rectangular patterns and T-shaped branch's serpentine are silver, copper or gold.
Due to the adoption of the above technical solution, energy enters through metal spiral from metal serpentine layer left end to the present invention
Function point is realized in the 2 ends output of line.LTCC serpentine power splitter of the invention has performance good, and insertion loss is low, and structure is simple, ruler
It is very little small, it is easy to make, it is convenient for the advantages that integrated.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of power splitter of the present invention.
Fig. 2 is the structural schematic diagram of the mark layer of power splitter of the present invention.
Fig. 3 is the structural schematic diagram of the wire spiral layer of power splitter of the present invention.
Fig. 4 is the structural schematic diagram of the metal screen layer of power splitter of the present invention.
Fig. 5 is the structural schematic diagram of the metal serpentine layer of power splitter of the present invention.
Fig. 6 is the structural schematic diagram of the BTM layer of power splitter of the present invention.
Fig. 7 is the performance chart of power splitter of the present invention.
Specific embodiment
A specific embodiment of the invention is made a detailed explanation with reference to the accompanying drawing.
A kind of LTCC serpentine power splitter as shown in Figure 1, the power splitter include the mark layer for being arranged successively setting above and below
1, wire spiral layer 2, metal screen layer 3, metal serpentine layer 4 and BTM layer 5.As shown in Fig. 2, mark layer 1 is arranged in metal
The top of helix layer 2, mark layer 1 are made of the first substrate 11 and the mark point 12 being arranged on the first substrate 11.Such as Fig. 3 institute
Show, the wire spiral layer 2 includes the second substrate 21 and two perficial helical lines 22, and two perficial helical lines 22 symmetrically divide
Cloth is arranged on the second substrate 21, and the center of perficial helical line 22 is tie point 23, and perficial helical line 22 is spirally extended to outward
Second substrate, 21 side connects output end 24.As shown in figure 4, the metal screen layer 3 includes third substrate 31 and histogram
The surface of third substrate 31 is arranged in case 32, rectangular patterns 32, and borehole 33 is arranged in the corresponding position of tie point in rectangular patterns 32,
And the minor matters pattern 34 of ground connection is separately provided in the two sides of rectangular patterns 32.As shown in figure 5, the metal serpentine
Layer 4 includes the 4th substrate 41 and T-shaped branch's serpentine 42, and the surface of the 4th substrate 41 is arranged in T-shaped branch's serpentine 42,
One end of T-shaped branch's serpentine 42 connects input terminal 43, and other end branch is in two serpentines 44, the end of two serpentines 44
End passes through borehole 33 by metallic vias column 6 respectively and is connected respectively with the tie point 23 on two perficial helical lines 22.Such as Fig. 6
Shown, the lower section of metal serpentine layer 4 is arranged in BTM layer 5, and BTM layer 5 is by the 5th substrate 51 and is arranged in 51 two sides of the 5th substrate
6 rectangular blocks 52 constitute.Above-mentioned the first substrate 11, the second substrate 21, third substrate 31, the 4th substrate 41 and the 5th substrate
Material be ceramic material, the material of perficial helical line 22, rectangular patterns 32 and T-shaped branch's serpentine 42 is silver.
LTCC serpentine power splitter energy of the invention enters through perficial helical line from T-shaped 42 left end of branch's serpentine
Function point is realized in 22 both ends output.The performance indexes of novel LTCC serpentine power splitter is tested using HFSS software,
The performance curve of gained power splitter is as shown in Fig. 7.As seen from the figure, passband frequency range is 1.2GHz~1.7GHz, echo damage
Small respectively less than -15dB is consumed, insertion loss is greater than -3.5dB, and isolation is less than -15dB.
Claims (2)
1. a kind of LTCC serpentine power splitter, it is characterised in that: the power splitter includes the metal spiral for being arranged successively setting up and down
Line layer (2), metal screen layer (3) and metal serpentine layer (4)；The wire spiral layer (2) includes the second substrate (21)
With two perficial helical lines (22), two perficial helical lines (22) are symmetrical to be arranged on the second substrate (21), perficial helical
The center of line (22) is tie point (23), and perficial helical line (22) is spirally extended to the connection output of the second substrate (21) side outward
It holds (24)；The metal screen layer (3) includes third substrate (31) and rectangular patterns (32), and rectangular patterns (32) setting is the
Borehole (33) are arranged in the corresponding position of tie point (23) in the surface of three substrates (31), rectangular patterns (32), and in rectangular patterns
(32) two sides are separately provided for the minor matters pattern (34) of ground connection；The metal serpentine layer (4) includes the 4th substrate
(41) and T-shaped branch's serpentine (42), T-shaped branch's serpentine (42) setting is on the surface of the 4th substrate (41), and T-shaped point
One end of branch serpentine (42) connects input terminal (43), and other end branch is in two serpentines (44), two serpentines (44)
End pass through respectively metallic vias column (6) across borehole (33) and respectively with the tie point (23) on two perficial helical lines (22)
It is connected, which further includes mark layers (1), and mark layers (1) settings are in the top of wire spiral layer (2), and mark layers (1)
It is made of the first substrate (11) and the mark point (12) being arranged on the first substrate (11), which further includes BTM layers (5),
BTM layers (5) settings are in the lower section of metal serpentine layer (4), and BTM layers (5) by the 5th substrate (51) and setting in the 5th substrate
(51) multiple rectangular blocks (52) of two sides are constituted.
2. a kind of LTCC serpentine power splitter according to claim 1, it is characterised in that: the first substrate (11), the second base
Piece (21), third substrate (31), the 4th substrate (41) and the 5th substrate (51) material be ceramic material, perficial helical line
(22), the material of rectangular patterns (32) and T-shaped branch's serpentine (42) is silver, copper or gold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757845.5A CN104617365B (en) | 2014-12-10 | 2014-12-10 | A kind of LTCC serpentine power splitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757845.5A CN104617365B (en) | 2014-12-10 | 2014-12-10 | A kind of LTCC serpentine power splitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104617365A CN104617365A (en) | 2015-05-13 |
| CN104617365B true CN104617365B (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410757845.5A Active CN104617365B (en) | 2014-12-10 | 2014-12-10 | A kind of LTCC serpentine power splitter |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966878A (en) * | 2015-06-29 | 2015-10-07 | 南京理工大学 | S wave band miniature phase inversion power divider |
| CN108039546A (en) * | 2017-12-25 | 2018-05-15 | 南京理工大学 | A kind of anti-phase power splitter in L-band broadband |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5426404A (en) * | 1994-01-28 | 1995-06-20 | Motorola, Inc. | Electrical circuit using low volume multilayer transmission line devices |
| CN1213214A (en) * | 1997-09-17 | 1999-04-07 | 松下电器产业株式会社 | Power splitter/combiner circuit, high power amplifier and balun circuit |
| CN1842937A (en) * | 2004-02-06 | 2006-10-04 | 株式会社村田制作所 | Balanced distributor |
| CN103560312A (en) * | 2013-11-15 | 2014-02-05 | 苏州博海创业微系统有限公司 | Multi-path unequal-power LTCC power divider |
| CN204614914U (en) * | 2014-12-10 | 2015-09-02 | 嘉兴佳利电子有限公司 | A kind of LTCC serpentine power splitter |
-
2014
- 2014-12-10 CN CN201410757845.5A patent/CN104617365B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5426404A (en) * | 1994-01-28 | 1995-06-20 | Motorola, Inc. | Electrical circuit using low volume multilayer transmission line devices |
| CN1213214A (en) * | 1997-09-17 | 1999-04-07 | 松下电器产业株式会社 | Power splitter/combiner circuit, high power amplifier and balun circuit |
| CN1842937A (en) * | 2004-02-06 | 2006-10-04 | 株式会社村田制作所 | Balanced distributor |
| CN103560312A (en) * | 2013-11-15 | 2014-02-05 | 苏州博海创业微系统有限公司 | Multi-path unequal-power LTCC power divider |
| CN204614914U (en) * | 2014-12-10 | 2015-09-02 | 嘉兴佳利电子有限公司 | A kind of LTCC serpentine power splitter |
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| Publication number | Publication date |
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| CN104617365A (en) | 2015-05-13 |
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