Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Layered type balloon transformer

A technology of balancing transformers and transformers, which is applied in the directions of broadband transformers, transformer/inductor components, transformer/inductor coils/windings/connections, etc., which can solve the problems of lack of universality and inapplicability of transformers

Inactive Publication Date: 2009-06-10
MURATA MFG CO LTD
View PDF2 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, the conventional balanced-unbalanced transformer lacks versatility and cannot be applied to lines with various impedances.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Layered type balloon transformer
  • Layered type balloon transformer
  • Layered type balloon transformer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] figure 1 It is an exploded perspective view of the laminated balanced-unbalanced transformer of the first embodiment of the present invention; figure 2 This is an appearance diagram of a laminated balun transformer.

[0045] Such as figure 2 As shown, in this embodiment, the laminated balun transformer is composed of: a magnetic substrate 1 as the first magnetic substrate; a laminated body 2 laminated on the magnetic substrate 1; The magnetic substrate 3 on the second magnetic substrate; and the external electrodes 4-1 to 4-6.

[0046] Laminate 2 as figure 1 As shown, there are: a first transformer 5; a second transformer 6 with substantially the same structure and in the same direction as the first transformer 5; and an insulator 7 ( figure 2 reference).

[0047] The insulator 7 is, for example, a dielectric, and is formed by laminating insulator layers 71 to 75 . Further, the first and second transformers 5 and 6 are patterned on such insulator layers 71 to...

Embodiment 2

[0080] Next, a second embodiment of the present invention will be described.

[0081] Figure 13 It is an exploded perspective view of a laminated balanced-unbalanced transformer according to the second embodiment of the present invention; Figure 14 It is a top view showing the conductor pattern of the lower layer of the primary side winding 8-1; Figure 15 is a top view showing the middle insulator layer 72; Figure 16 It is a top view showing the conductor pattern on the upper layer of the primary side winding 8-1; Figure 17 is a top view showing the conductor pattern of the lower layer of the secondary side winding 8-2; Figure 18 is a top view showing the middle insulator layer 74; Figure 19 It is a top view showing the conductor pattern of the upper layer of the secondary winding 8-2.

[0082] Such as Figure 13 As shown, the laminated balun of this embodiment has a structure in which a laminated body 2 including a transformer 8 is sandwiched between magnetic sub...

Embodiment 3

[0096] Next, a third embodiment of the present invention will be described.

[0097] Figure 21 It is an equivalent circuit diagram of a laminated balun transformer according to a third embodiment of the present invention.

[0098] The example, as figure 1 The stacked-type balun transformer shown has a structure in which a stacked body 2 is sandwiched between magnetic substrates 1 and 3, and external electrodes 4-1 to 4-6 are mounted on its side surfaces, as shown in Figure 21 As shown, n (n=an integer equal to or greater than 3) pieces of first transformer 9 ( 1 ) to nth transformer 9 (n) are included in laminated body 2 .

[0099] Specifically, the left end of the primary side winding 9-1 of the first transformer 9(1) is connected to the external electrode 4-1, which is an unbalanced terminal; and the right end is connected to the external electrode 4-2, which is a first balanced terminal. In addition, in the last-stage nth transformer 9 (n), the left end of the seconda...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
impedanceaaaaaaaaaa
impedanceaaaaaaaaaa
Login to View More

Abstract

A laminated balun transformer that may be applied to the lines having various impedances is provided. The laminated balun transformer includes a magnetic substrate 1, a laminated body 2, a magnetic substrate 3, and external electrodes 4-1 to 4-6. The laminated body 2 includes a first transformer 5, a second transformer 6, and an insulator 7 that covers the first and second transformers 5 and 6 from the outside. The first transformer 5 is formed of a primary coil 5-1 and a secondary coil 5-2. The second transformer 6 is formed of a primary coil 6-1 and a secondary coil 6-2. Then, the line width of the primary coil 5-1 of the first transformer 5 is set so as to decrease from the side of the internal electrode 52a toward the side of the internal electrode 51a. The line width of the secondary coil 6-2 of the second transformer 6 is also set so as to decrease from the side of the internal electrode 62a toward the side of the internal electrode 61a.

Description

technical field [0001] The present invention relates to a laminated balun used as a balun for an IC of a mobile phone or an antenna of a television receiver. Background technique [0002] Such as Figure 22 As shown in the equivalent circuit diagram of , the balun transformer has a first transformer 100 and a second transformer 200 . Furthermore, the windings 101, 102 constituting the first transformer 100 and the windings 201, 202 constituting the second transformer 200 are connected as shown in the figure, and the ratio of the impedance on the unbalanced terminal 300 side to the impedance on the balanced terminal 301, 302 side is 1. than 4. [0003] Conventionally, as a multilayer balun transformer having such a circuit configuration, for example, there is a technology disclosed in Patent Document 1 or Patent Document 2. [0004] These laminated balun transformers are composed of winding conductor patterns forming the windings of the first transformer 100 and the second ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01F19/06H01F17/00H01F27/29
CPCH01F27/2804H03H7/42H01F17/00H01F19/06H01F27/29
Inventor 石田康介
Owner MURATA MFG CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com