CN106712782B - Millimeter wave monolithic integration transmitting power distribution circuit - Google Patents
Millimeter wave monolithic integration transmitting power distribution circuit Download PDFInfo
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- CN106712782B CN106712782B CN201710167934.8A CN201710167934A CN106712782B CN 106712782 B CN106712782 B CN 106712782B CN 201710167934 A CN201710167934 A CN 201710167934A CN 106712782 B CN106712782 B CN 106712782B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
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Abstract
A millimeter wave monolithic integration transmitting power distribution circuit relates to the technical field of circuits and solves the technical problems of reducing occupied area, parasitic effect and power consumption. The circuit comprises a one-to-three power divider, a first-stage drive amplifier, a second-stage drive amplifier, a power amplifier, a frequency divider and a multiphase filter for generating four-way orthogonal differential signals; the input end of the source signal of the one-to-three power divider is connected with the output end of the first-stage drive amplifier, the first-stage output end of the one-to-three power divider is connected with the input end of the polyphase filter through the second-stage drive amplifier, the second-stage output end of the one-to-three power divider is connected with the input end of the power amplifier, and the third-stage output end of the one-to-three power divider is connected with the input end of the source signal of the frequency divider. The circuit provided by the invention reduces the parasitic effect, occupies small chip area and has low power consumption.
Description
Technical Field
The invention relates to a circuit technology, in particular to a millimeter wave monolithic integration transmission power distribution circuit technology.
Background
Because the millimeter wave frequency band has higher available bandwidth and higher detection precision, the millimeter wave chip has wide application in various aspects such as wireless communication, radar, guidance, remote sensing technology, radio astronomy, electronic countermeasure and the like. In recent years, with the successive opening of millimeter wave frequency bands, millimeter wave chips have become hot spots. The performance, cost, size and the like of the system are greatly determined by taking the millimeter wave radio frequency front end as a key technology.
In recent years, with the increase of the demand of the millimeter wave chip in the market, the requirements for cost, integration degree and power consumption are more increased. The progress of integrated circuit technology, especially CMOS technology, makes it possible to implement integrated monolithic transceivers in the millimeter wave band. The transmission power distribution circuit is used as an important part for connecting the millimeter wave local oscillation signal generated by the oscillator with other modules, and plays a decisive role in the overall performance of the whole millimeter wave transceiver chip. However, the existing millimeter wave transmission power distribution circuit adopts a plurality of groups of one-to-two power dividers to realize three-way power distribution, which needs to occupy more chip area and increases parasitic effect, so that the millimeter wave chip has larger volume and higher power consumption.
Disclosure of Invention
In view of the above-mentioned drawbacks in the prior art, the present invention provides a millimeter wave monolithic integrated transmission power distribution circuit with small chip area and low power consumption.
In order to solve the above technical problem, the present invention provides a millimeter wave monolithic integrated transmission power distribution circuit, which is characterized in that: the power divider comprises a one-to-three power divider, a first-stage drive amplifier, a second-stage drive amplifier, a power amplifier, a frequency divider and a multiphase filter for generating four-way orthogonal differential signals;
the input end of the source signal of the one-to-three power divider is connected with the output end of the first-stage drive amplifier, the first-stage output end of the one-to-three power divider is connected with the input end of the polyphase filter through the second-stage drive amplifier, the second-stage output end of the one-to-three power divider is connected with the input end of the power amplifier, and the third-stage output end of the one-to-three power divider is connected with the input end of the source signal of the frequency divider.
Further, the one-to-three power divider is a transformer having a primary coil and three secondary coils, the three secondary coils of the one-to-three power divider are a first secondary coil, a second secondary coil and a third secondary coil, respectively, and the ratio of the number of the primary coil to the number of the first secondary coil to the number of the second secondary coil to the number of the third secondary coil is 2:2:1: 1.
The millimeter wave monolithic integration transmitting power distribution circuit provided by the invention utilizes the first-stage driving amplifier and the one-to-three power divider to finish the amplification distribution of the millimeter wave local oscillation signals, and outputs the power amplification signals, the low-frequency signals and the four-way orthogonal differential signals through the second-stage driving amplifier, the power amplifier, the frequency divider and the multiphase filter, thereby realizing the three-way power distribution by adopting fewer components and parts, and having the characteristics of small parasitic, small occupied chip area and low power consumption; and the one-to-three power divider adopts a transformer structure with one primary coil and three secondary coils, and the secondary coils generate output signals in a coupling mode, so that the parasitic loss of transmission lines is greatly reduced, the layout is more compact, the differential and symmetrical output of signals is realized, the signal precision is ensured, and the occupied area and the power consumption can be further reduced.
Drawings
Fig. 1 is a schematic structural diagram of a millimeter wave monolithic integrated transmission power distribution circuit according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the following description of the drawings, but the embodiments are not intended to limit the present invention, and all similar structures and similar variations using the present invention shall be included in the scope of the present invention, and the pause numbers in the present invention shall have a relation of the same.
As shown in fig. 1, a millimeter wave monolithic integrated transmission power distribution circuit provided in an embodiment of the present invention is characterized in that: the device comprises a one-to-three power divider, a first-stage driving amplifier, a second-stage driving amplifier, a power amplifier, a frequency divider and a multi-phase filter for generating four paths of orthogonal differential signals;
the input end of the source signal of the one-to-three power divider is connected with the output end of the first-stage drive amplifier, the first-stage output end of the one-to-three power divider is connected with the input end of the polyphase filter through the second-stage drive amplifier, the second-stage output end of the one-to-three power divider is connected with the input end of the power amplifier, and the third-stage output end of the one-to-three power divider is connected with the input end of the source signal of the frequency divider.
In the embodiment of the invention, the power divider is a transformer with a primary coil and three secondary coils, the three secondary coils of the power divider are respectively a first secondary coil, a second secondary coil and a third secondary coil, the number ratio of the primary coil, the first secondary coil, the second secondary coil and the third secondary coil is 2:2:1:1, wherein the primary coil and the first secondary coil are wound by high-layer metal, the second secondary coil and the third secondary coil are wound by secondary high-layer metal, the primary coil is used as a resonant load, the first secondary coil is coupled and output by same-layer metal, the second secondary coil and the third secondary coil are coupled and output by upper and lower layers, all input and output ports of the power divider are of differential structure, each stage of coil is provided with a tap port, and the tap port of the primary coil is connected with a power supply, the tap port of each secondary coil is connected with the input bias of the next-stage circuit; the one-to-three power divider provides certain gain and couples and outputs three differential signals from the secondary coil.
In the embodiment of the invention, all components can be integrated on a single chip, wherein the one-to-three power divider and the multiphase filter are passive devices, the consumed current is small, and simultaneously, as all the components are integrated on the single chip and are supplied with power by low voltage, the power distribution function can be completed by extremely low power consumption, the millimeter wave integration is realized by a small chip area, and the reliability of the whole chip is greatly improved.
The working principle of the embodiment of the invention is as follows (taking 35GHz differential signal generated by a millimeter wave oscillator as an example): when the millimeter-wave power divider is used, a millimeter-wave local oscillation signal generated by a millimeter-wave oscillator is accessed to the input end of the first-stage drive amplifier, the first-stage drive amplifier amplifies the local oscillation signal to generate a gain of 10-15dB and then inputs the gain to the one-to-three power divider, the one-to-three power divider divides the amplified signal into three paths of output, the first path of output of the power divider outputs four paths of orthogonal differential signals after passing through the second-stage drive amplifier and the multiphase filter, the second path of output of the power divider outputs a power amplification signal after passing through the power amplifier, and the third path of output of the power divider outputs a low-frequency signal after passing through the frequency divider.
Claims (1)
1. A millimeter wave monolithic integration transmission power distribution circuit is characterized in that: the power divider comprises a one-to-three power divider, a first-stage drive amplifier, a second-stage drive amplifier, a power amplifier, a frequency divider and a multiphase filter for generating four-way orthogonal differential signals;
the source signal input end of the one-to-three power divider is connected with the output end of the first-stage drive amplifier, the first-stage output end of the one-to-three power divider is connected with the input end of the polyphase filter through the second-stage drive amplifier, the second-stage output end of the one-to-three power divider is connected with the input end of the power amplifier, and the third-stage output end of the one-to-three power divider is connected with the source signal input end of the frequency divider;
the three secondary coils of the one-three-way power divider are respectively a first secondary coil, a second secondary coil and a third secondary coil, and the number ratio of the primary coil to the first secondary coil to the second secondary coil to the third secondary coil is 2:2:1: 1;
the primary coil and the first secondary coil are wound by high-rise metal, the second secondary coil and the third secondary coil are wound by second high-rise metal, the primary coil is used as a resonant load, the first secondary coil is coupled and output by the same-layer metal, the second secondary coil and the third secondary coil are coupled and output by upper and lower laminations, all input and output ports of the three-way power divider are of a differential structure, each stage of coil is provided with a tap port, the tap port of the primary coil is connected with a power supply, and the tap port of each secondary coil is connected with the input bias of a next stage of circuit; the one-to-three power divider couples and outputs three differential signals through a secondary coil;
all components are integrated on a single chip, and the three-way power divider and the multiphase filter are passive devices.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710167934.8A CN106712782B (en) | 2017-03-21 | 2017-03-21 | Millimeter wave monolithic integration transmitting power distribution circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710167934.8A CN106712782B (en) | 2017-03-21 | 2017-03-21 | Millimeter wave monolithic integration transmitting power distribution circuit |
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| CN106712782A CN106712782A (en) | 2017-05-24 |
| CN106712782B true CN106712782B (en) | 2022-06-17 |
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| CN201710167934.8A Active CN106712782B (en) | 2017-03-21 | 2017-03-21 | Millimeter wave monolithic integration transmitting power distribution circuit |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242159A (en) * | 2007-01-10 | 2008-08-13 | 三星电机株式会社 | Systems and methods for power amplifiers with voltage boosting multi-primary transformers |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6965280B2 (en) * | 2004-01-02 | 2005-11-15 | Lu Chen | Three way power splitter |
| US8412141B2 (en) * | 2009-10-19 | 2013-04-02 | Qualcomm Incorporated | LR polyphase filter |
| JP5896638B2 (en) * | 2010-12-13 | 2016-03-30 | 太陽誘電株式会社 | Stacked power distributor |
| CN203457113U (en) * | 2013-09-18 | 2014-02-26 | 成都创新达微波电子有限公司 | Ultra-wideband millimeter wave amplifier |
| CN103956975B (en) * | 2014-05-21 | 2017-05-10 | 北京遥测技术研究所 | Multi-channel phase matching type down-conversion link |
| CN206564581U (en) * | 2017-03-21 | 2017-10-17 | 麦堆微电子技术（上海）有限公司 | The integrated transmission power distributor circuit of millimeter-wave monolithic |
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- 2017-03-21 CN CN201710167934.8A patent/CN106712782B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242159A (en) * | 2007-01-10 | 2008-08-13 | 三星电机株式会社 | Systems and methods for power amplifiers with voltage boosting multi-primary transformers |
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