WO2014045484A1 - 電力合成回路および電力合成方法 - Google Patents
電力合成回路および電力合成方法 Download PDFInfo
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- WO2014045484A1 WO2014045484A1 PCT/JP2013/002431 JP2013002431W WO2014045484A1 WO 2014045484 A1 WO2014045484 A1 WO 2014045484A1 JP 2013002431 W JP2013002431 W JP 2013002431W WO 2014045484 A1 WO2014045484 A1 WO 2014045484A1
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- 238000000034 method Methods 0.000 title claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 238000002955 isolation Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 abstract description 7
- 238000010168 coupling process Methods 0.000 abstract description 7
- 238000005859 coupling reaction Methods 0.000 abstract description 7
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000002194 synthesizing effect Effects 0.000 description 4
- 230000005669 field effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
- H03F3/602—Combinations of several amplifiers
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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
- H04B1/0483—Transmitters with multiple parallel paths
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21142—Output signals of a plurality of power amplifiers are parallel combined to a common output
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21157—A filter circuit being added at the output of a power amplifier stage
Definitions
- the present invention relates to a power combining circuit and a power combining method, and more particularly to a power combining circuit and a power combining method used in a high frequency band such as a VHF band and a UHF band, for example, a power amplifier / power distribution in a TV, FM transmitter, etc.
- the present invention relates to a power synthesizing circuit and a power synthesizing method used for operating high-frequency power units such as a power generator, a power combiner, and a filter circuit in parallel.
- Japanese Patent No. 2639032 “Energy” As a conventional technique related to a power combining circuit that combines and outputs high frequency power obtained by operating a plurality of high frequency power units in parallel in a TV, FM transmitter or the like, for example, Japanese Patent No. 2639032 “Energy” is disclosed. There is a technique described in “Coupling device”.
- a post 3 dB hybrid circuit that divides the two combined signals into two, outputs one signal to the antenna, and terminates the other signal with a terminator.
- it has a simple configuration without a filter for removing spurious components generated in the amplifier.
- spurious components of intermodulation distortion due to the nonlinearity of the amplifier are generated.
- IM intermodulation distortion
- a filter such as a low-pass filter or a band-pass filter is generally used.
- the spurious component generated by the amplifier is reflected by the filter and returned to the amplifier. If this has been the case, there is a risk that problems such as an amplifier failure will occur.
- the present invention has been made in view of such circumstances, and an object thereof is to provide a power combining circuit and a power combining method capable of suppressing and absorbing spurious components generated when power amplification is performed. Yes.
- the power combining circuit and the power combining method according to the present invention mainly adopt the following characteristic configuration.
- a power combining circuit is a power combining circuit that combines high-frequency power of an arbitrary frequency.
- An amplifier that amplifies input high-frequency power and an output of the amplifier have a phase difference of 90 degrees.
- a 3 dB hybrid circuit that divides the signal into two signals, two filters that remove spurious components contained in each of the two signals from the 3 dB hybrid circuit, and a post hybrid that combines the signals from the two filters and outputs them And at least a circuit.
- a power combining method is a power combining method in a power combining circuit that combines high-frequency power of an arbitrary frequency, in order to remove spurious components generated when the input high-frequency power is amplified by an amplifier.
- the output of the amplifier is distributed to two signals having a phase difference of 90 degrees by a 3 dB hybrid circuit, and then has at least a filtering function for removing spurious components contained in each of the two signals. It is characterized by that.
- the spurious component generated in the amplifier is reflected by the filter and is not returned to the amplifier, and can be suppressed and absorbed by the terminator. The occurrence of failure can be reliably prevented.
- FIG. 1 is a schematic diagram for explaining an example of the operation of the power combining circuit shown in FIG. 1 as an embodiment of the present invention. It is explanatory drawing which shows the concept of the filter with an impedance conversion function which each integrated the 1st, 2nd impedance conversion line of the electric power synthesizing circuit shown in FIG. 1, and the 1st, 2nd filter.
- the present invention particularly relates to a power combining circuit and a power combining method used in high frequency bands such as VHF and UHF bands, for example, power amplifiers, power dividers, power combiners, filter circuits, etc. in TVs, FM transmitters, etc.
- the present invention relates to a power combining circuit and a power combining method used for operating the high-frequency power units in parallel, and can add a filter characteristic to the power combining circuit and reflect the spurious reflected by the filter.
- the main feature is that the component signal does not return to the amplifier (for example, an amplifier composed of a FET (Field Effect Transistor) circuit) and can be absorbed by the terminator. .
- the spurious component removing filter is disposed at a place where impedance conversion is necessary when performing power combining of signals having the same number of branches n (n: integer of 2 or more), and It can be configured as a filter with an impedance conversion function in which the impedance of the input port is (Z ⁇ / n) and the impedance of the output port is adjusted to Z ⁇ (Z: a constant that is arbitrarily determined as a matching impedance value). I have to.
- FIG. 1 is a block diagram showing an example of the internal configuration of a power combiner circuit according to the present invention.
- a power combiner circuit used in a high frequency band such as a VHF band or UHF band.
- 1 shows an example of a power combiner circuit used for parallel operation of high-frequency power units such as a power amplifier, a power distributor, a power combiner, and a filter circuit.
- first, second to nth amplifiers power amplifiers
- PA1, PA2 to PAn (n: an integer of 2 or more), first, second to nth hybrid circuits (3 dB hybrid circuits).
- HYB1, HYB2 to HYBn first and second to n-th terminators DL1, DL2 to DLn, first and second couplers C1 and C2, first and second impedance conversion lines TR1 and TR2, first and second 2 filters FILTER1, FILTER2, 0th hybrid circuit (post-hybrid circuit) HYB0, 0th terminator (post-terminator) DL0, and antenna ANT are included.
- the outputs from the first, second to nth amplifiers (power amplifiers) PA1, PA2 to PAn are input to 21 to n1, respectively, and the first and second to nth hybrid circuits HYB1, HYB2 to HYBn 12, first, second to nth terminators DL1, DL2 to DLn are connected to the 12, 22nd to n2nd isolation terminals 12, 22 to n2, respectively.
- the thirteenth, twenty-third to thirty-third output terminals 13 and 23 to n3 for outputting one degree signal of each of the first and second to n-th hybrid circuits HYB1 and HYB2 to HYBn are connected to the first coupler C1. Connected to each other.
- the characteristic impedance of the line at the point of the first coupler C1 is (Z / n) ⁇ (Z: a constant that is arbitrarily determined as a matching impedance value, for example, “50”), but the first impedance conversion line TR1 is Finally, the impedance is converted to the matching impedance Z ⁇ and connected to the first filter FILTER1.
- the 14th, 24th to n4th output terminals 14, 24 to n4 for signal output delayed by ⁇ 90 degrees of the other of the first, second to nth hybrid circuits HYB1, HYB2 to HYBn are respectively They are connected to each other by the second coupler C2, and finally, the impedance is converted to the matching impedance Z ⁇ as in the case of the first impedance conversion line TR1 through the second impedance conversion line TR2.
- Two filters are connected to FILTER2.
- the first and second impedance conversion lines TR1 and TR2 are converted into matching impedance Z ⁇ , for example, 50 ⁇ impedance through the respective lines, and then the respective signals have first and second filters FILTER1 and FILTER2 having the same electrical characteristics. Is input.
- the output terminal sides of the first and second filters FILTER1 and FILTER2 are connected to the 01th and 02nd input terminals 01 and 02 of the post-hybrid circuit, that is, the 0th hybrid circuit HYB0, each having a coupling degree of 3 dB.
- a post-terminator for terminating unnecessary signal components output from the first and second filters FILTER1 and FILTER2, that is, a zero-terminator DL0 is connected to the third isolation terminal 03 of the zeroth hybrid circuit HYB0.
- a 04th output terminal 04 that synthesizes and outputs signal components output from the first and second filters FILTER1 and FILTER2 is connected to the antenna ANT.
- the power combining circuit shown in FIG. 1 has the spurious components generated in the first and second to n-th amplifiers PA1 and PA2 to PAn so that the first and second filters FILTER1 and FILTER2
- the first and second to nth amplifiers PA1 and PA2 to PAn are not reflected and returned to the first and second to nth terminators DL1 and DL2 to DLn.
- it is possible to reliably prevent the first and second to nth amplifiers PA1 and PA2 to PAn (for example, amplifiers composed of FET circuits) from being broken due to reflection.
- FIG. 2 is a schematic diagram for explaining an example of the operation of the power combiner circuit shown in FIG. 1 as an embodiment of the present invention, which occurs in the first, second to nth amplifiers PA1, PA2 to PAn.
- An example of the operation that reliably prevents the spurious component from being reflected by the first and second filters FILTER1 and FILTER2 and returning to the first and second to nth amplifiers PA1 and PA2 to PAn is shown.
- first, high-frequency signals having the same frequency and the same phase in the first, second to n-th amplifiers PA1, PA2 to PAn are each 3 dB.
- the first, second to nth hybrid circuits HYB1, HYB2 to HYBn having coupling degrees are respectively input to the eleventh, twenty-first to n1th input terminals 11, 21 to n1 (n: an integer of 2 or more). (Sequence Seq1).
- the high-frequency signals input from the first and second to n-th amplifiers PA1 and PA2 to PAn are respectively supplied to the first, second to n-th hybrid circuits HYB1 and HYB2 to HYBn.
- the n3 output terminals 13 and 23 to n3 and the other fourteenth, twenty-fourth to n4th output terminals 14 and 24 to n4 are divided and output as two output signals having the same amplitude.
- the phase of the signal output to the other 14th, 24th to n4th output terminals 14 and 24 to n4 side with respect to the phase of the signal output to the nth output terminal 13 and 23 to n3 side is respectively , A signal having a phase difference delay of ⁇ 90 degrees (sequence Seq2).
- the signal distributed to one of the thirteenth, twenty-third to n3-th output terminals 13, 23-n3 side is guided to the first coupler C1.
- the characteristic impedance of the line at the point of the first coupler C1 is (Z / n) ⁇ , but the first impedance conversion line TR1 from the first coupler C1 to the input terminal of the first filter FILTER1.
- the impedance is converted to the matching impedance Z ⁇ by the line (sequence Seq3).
- the signal that has passed through the first filter FILTER1 for removing spurious components is guided to the 01st input terminal 01 of the post-hybrid circuit, that is, the 0th hybrid circuit HYB0 (sequence Seq4).
- the signal having a phase difference delay of ⁇ 90 degrees distributed to the other fourteenth, twenty-fourth to nth output terminals 14, 24 to n4 is led to the second coupler C2.
- the characteristic impedance of the line at the point of the second coupler C2 is (Z / n) ⁇ , but the input terminal of the second filter FILTER2 from the second coupler C2 as in the case of the first coupler C1.
- the signal that has passed through the second filter FILTER2 for removing spurious components is led to the 02nd input terminal 02 of the post-hybrid circuit, that is, the 0th hybrid circuit HYB0 (sequence Seq6).
- the phase difference between the signal led to the 01st input terminal 01 of the post-hybrid circuit, that is, the 0th hybrid circuit HYB0, and the signal led to the 02nd input terminal 02 is 90 degrees (the signal on the 02th input terminal 02 side).
- the power is not supplied to the 04th output terminal 04 side connected to the antenna ANT. Combining is performed, and a signal is output to the antenna ANT (sequence Seq7).
- the power is not output from the post-terminator, that is, the 03th isolation terminal 03 connected to the 0th terminator DL0, because the phase of the combined power is opposite (sequence Seq8).
- spurious components that cannot pass through the first and second filters FILTER1 and FILTER2 are reflected by the first and second filters FILTER1 and FILTER2, respectively, and pass through the first and second impedance conversion lines TR1 and TR2. Then, the signals return to the first and second couplers C1 and C2, respectively (sequence Seq9). Thereafter, the reflected spurious components are transmitted from the first coupler C1 and the second coupler C2 to one of the thirteenth, twenty-third to thirteenth ones of the first, second to n-th hybrid circuits HYB1, HYB2 to HYBn, respectively. The process returns to the n3 output terminals 13, 23 to n3 and the other fourteenth, twenty-fourth to n4th output terminals 14, 24 to n4 (sequence Seq10).
- the phase difference of the reflected signal with respect to 14, 24 to n4 is 90 degrees, and the first, second to nth hybrid circuits HYB1, to which the first, second to nth amplifiers PA1, PA2 to PAn are connected, respectively.
- the reflected power phase is opposite, and thus the reflected spurious component power is not output (sequence Seq11).
- the reflected spurious components are output to the first and second to nth terminators DL1 and DL2 to DLn, and the first, second to nth terminations are output.
- the devices DL1, DL2 to DLn absorb power (sequence Seq12).
- the spurious components generated in the first, second to nth amplifiers PA1, PA2 to PAn are converted into the first and second filters FILTER1 and FILTER2. It is not reflected and returned to the first and second to nth amplifiers PA1, PA2 to PAn, and can be suppressed and absorbed by the first and second to nth terminators DL1 and DL2 to DLn. .
- an isolation function between a plurality of amplifiers for example, an amplifier comprising a FET (Field Effect Transistor) circuit
- a conventional power combining circuit ie, even if a certain amplifier fails
- the function of preventing the reflected power of the wraparound from being absorbed by the terminator and returning to the other amplifiers is the first, second to n-th hybrid circuit HYB1
- HYB1 the first and second to n-th terminators DL1 and DL2 to DLn connected to the twelfth, twenty-second to n2-th isolation terminals 12 and 22 to n2, respectively of HYB2 to HYBn. Need not be explained again.
- first and second filters FILTER1 and FILTER2 for removing spurious components are not limited to bandpass filters that allow only signal components in a desired frequency band to pass, but low frequencies below the desired frequency band. It goes without saying that the present invention can be applied in exactly the same way whether it is a low-pass filter that passes signal components or a high-pass filter that passes high-frequency signal components of a desired frequency band or higher.
- FIG. 3 is an explanatory diagram showing the concept of a filter with an impedance conversion function obtained by integrating the first and second impedance conversion lines TR1 and TR2 and the first and second filters FILTER1 and FILTER2 of the power combining circuit shown in FIG. is there. That is, in the filter with the impedance conversion function shown in FIG.
- the impedance of the output port is used for matching even when the impedance of the input port is (Z / n) ⁇ . It has a configuration that also includes an impedance conversion function for performing impedance conversion internally so that the impedance becomes Z ⁇ . By using this configuration, it is possible to reduce the size of the power combining circuit.
- an amplifier that amplifies the input high-frequency power and the output of the amplifier have a phase difference of 90 degrees.
- the 3 dB hybrid circuit for distributing the two signals is a plurality of circuits of first, second to nth amplifiers PA1, PA2 to PAn and first, second to nth hybrid circuits HYB1, HYB2 to HYBn, respectively.
- the amplifier and the 3 dB hybrid circuit may be composed of one circuit each. Absent.
- the first and second filters FILTER1 and FILTER2 it is possible to reliably add a filter effect for removing spurious components during power synthesis, and output unnecessary spurious components to the antenna ANT side. This can be surely prevented.
- spurious components generated in the first and second to nth amplifiers PA1, PA2 to PAn are reflected by the first and second filters FILTER1 and FILTER2, and the first, second to nth amplifiers PA1 are reflected. Can be suppressed and absorbed by the first, second to nth terminators DL1, DL2 to DLn without being returned to PA2 to PAn, and thus the first, second to second It is possible to reliably prevent the failure of the n amplifiers PA1, PA2 to PAn.
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Abstract
Description
本発明は、かくのごとき事情に鑑みてなされたものであり、電力増幅を行う際に生じるスプリアス成分を抑制吸収することが可能な電力合成回路および電力合成方法を提供することを、その目的としている。
本発明の実施形態の説明に先立って、本発明の特徴についてその概要をまず説明する。本発明は、特に、VHF、UHF帯等の高周波数帯で用いる電力合成回路および電力合成方法であって、例えばTV、FM送信機等における電力増幅器・電力分配器・電力合成器・フィルタ回路等の高周波電力部を並列動作させるために使用する電力合成回路および電力合成方法に関する発明であり、電力合成回路に対してフィルタの特性を付加することができ、かつ、該フィルタにて反射されるスプリアス成分の信号が、アンプ(例えばFET(Field Effect Transistor)回路からなるアンプ)にリターンしてくることがなく、終端器にて吸収することができる仕組みを有していることを主要な特徴としている。
次に、本発明の一実施形態として、スプリアス成分を抑制吸収することが可能な電力合成回路の内部構成の一例を、図1のブロック構成を用いて説明する。図1は、本発明による電力合成回路の内部構成の一例を示すブロック構成図であり、特に、VHF、UHF帯等の高周波数帯で用いる電力合成回路であって、例えばTV、FM送信機等における電力増幅器・電力分配器・電力合成器・フィルタ回路等の高周波電力部を並列動作させるために使用する電力合成回路の一例を示している。
次に、図1に示した電力合成回路の動作について、図2の模式図を参照しながら詳細に説明する。図2は、図1に本発明の一実施形態として示した電力合成回路の動作の一例を説明するための模式図であり、第1、第2~第nアンプPA1、PA2~PAnで生じたスプリアス成分が第1、第2フィルタFILTER1、FILTER2で反射して第1、第2~第nアンプPA1、PA2~PAnに返送されることを確実に防止している動作の一例を示している。
本実施形態においては、従来の電力合成回路の欠点を補って次のような効果を得ることができる。
02 第02入力端子
03 第03アイソレーション端子
04 第04出力端子
11 第11入力端子
12 第12アイソレーション端子
13 第13出力端子
14 第14出力端子
21 第21入力端子
22 第22アイソレーション端子
23 第23出力端子
24 第24出力端子
n1 第n1入力端子
n2 第n2アイソレーション端子
n3 第n3出力端子
n4 第n4出力端子
ANT アンテナ
C1 第1結合器
C2 第2結合器
DL0 第0終端器(後置終端器)
DL1 第1終端器
DL2 第2終端器
DLn 第n終端器
FILTER1 第1フィルタ
FILTER2 第2フィルタ
HYB0 第0ハイブリッド回路(後置ハイブリッド回路)
HYB1 第1ハイブリッド回路
HYB2 第2ハイブリッド回路
HYBn 第nハイブリッド回路
PA1 第1アンプ(第1電力増幅器)
PA2 第2アンプ(第2電力増幅器)
PAn 第nアンプ(第n電力増幅器)
TR1 第1インピーダンス変換線路
TR2 第2インピーダンス変換線路
Claims (8)
- 任意の周波数の高周波電力を合成する電力合成回路において、入力した高周波電力を増幅するアンプと、該アンプの出力を互いの位相差が90度になる2つの信号に分配する3dBハイブリッド回路と、該3dBハイブリッド回路からの2つの信号それぞれに含まれるスプリアス成分を除去する2つのフィルタと、該2つのフィルタからの信号を電力合成して出力する後置ハイブリッド回路と、を少なくとも備えていることを特徴とする電力合成回路。
- 任意の周波数の高周波電力を合成する電力合成回路において、入力した複数の高周波電力をそれぞれ増幅する複数のアンプと、該アンプそれぞれの出力を互いの位相差が90度になる2つの信号に分配する複数の3dBハイブリッド回路と、該3dBハイブリッド回路それぞれから出力される2つの信号について同位相の信号同士を互いに結合する2つの結合器と、該2つの結合器により結合された2つの信号それぞれに含まれるスプリアス成分を除去する2つのフィルタと、該2つのフィルタからの信号を電力合成して出力する後置ハイブリッド回路と、を少なくとも備えていることを特徴とする電力合成回路。
- 前記3dBハイブリッド回路の2つの出力端子または前記2つの結合器と、前記2つのフィルタとの間に、線路の特性インピーダンスを、あらかじめ定めた整合用インピーダンスにインピーダンス変換する2つのインピーダンス変換線路をそれぞれ接続していることを特徴とする請求項1または2に記載の電力合成回路。
- 前記2つのフィルタそれぞれに、入力端子側の線路の特性インピーダンスを、あらかじめ定めた整合用インピーダンスにインピーダンス変換して出力する回路を内蔵していることを特徴とする請求項1または2に記載の電力合成回路。
- 前記2つのフィルタは、バンドパスフィルタ、ローパスフィルタ、または、ハイパスフィルタからなっていることを特徴とする請求項1ないし4のいずれかに記載の電力合成回路。
- 前記3dBハイブリッド回路のアイソレーション端子には、前記2つのフィルタから反射されてくるスプリアス成分を終端するための終端器が接続されることを特徴とする請求項1ないし5のいずれかに記載の電力合成回路。
- 前記後置ハイブリッド回路のアイソレーション端子には、前記2つのフィルタから出力される不要信号成分を終端するための後置終端器が接続されることを特徴とする請求項1ないし6のいずれかに記載の電力合成回路。
- 入力した高周波電力をアンプによって増幅した際に生じるスプリアス成分を除去するために、該アンプの出力を3dBハイブリッド回路によって互いの位相差が90度になる2つの信号に分配した後に、該2つの信号それぞれに含まれるスプリアス成分を除去するためのフィルタリング機能を少なくとも有していることを特徴とする電力合成方法。
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KR1020157009964A KR20150058420A (ko) | 2012-09-18 | 2013-04-10 | 전력 합성 회로 및 전력 합성 방법 |
AU2013319718A AU2013319718A1 (en) | 2012-09-18 | 2013-04-10 | Power combining circuit and power combining method |
US14/433,420 US20150333709A1 (en) | 2012-09-18 | 2013-04-10 | Power combining circuit and power combining method |
EP13838786.5A EP2899801B1 (en) | 2012-09-18 | 2013-04-10 | Power-combining circuit and power-combining method |
JP2014536553A JP5935893B2 (ja) | 2012-09-18 | 2013-04-10 | 電力合成回路および電力合成方法 |
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US (1) | US20150333709A1 (ja) |
EP (1) | EP2899801B1 (ja) |
JP (1) | JP5935893B2 (ja) |
KR (1) | KR20150058420A (ja) |
AU (1) | AU2013319718A1 (ja) |
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JPH0682998B2 (ja) * | 1986-07-30 | 1994-10-19 | 日本電信電話株式会社 | 電力増幅器 |
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2013
- 2013-04-10 AU AU2013319718A patent/AU2013319718A1/en not_active Abandoned
- 2013-04-10 WO PCT/JP2013/002431 patent/WO2014045484A1/ja active Application Filing
- 2013-04-10 KR KR1020157009964A patent/KR20150058420A/ko not_active Application Discontinuation
- 2013-04-10 EP EP13838786.5A patent/EP2899801B1/en active Active
- 2013-04-10 US US14/433,420 patent/US20150333709A1/en not_active Abandoned
- 2013-04-10 JP JP2014536553A patent/JP5935893B2/ja active Active
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JPS5251811A (en) * | 1975-10-22 | 1977-04-26 | Hughes Aircraft Co | Continuous channel multiplexer |
JP2639032B2 (ja) | 1987-12-18 | 1997-08-06 | トムソン―エルジィティ | エネルギー結合装置 |
JPH0436303U (ja) * | 1990-07-20 | 1992-03-26 | ||
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US5933770A (en) * | 1995-11-27 | 1999-08-03 | Lucent Technologies Inc. | Low distortion tuner-receiver with bridge-type diplexer |
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JP2003209404A (ja) * | 2002-01-16 | 2003-07-25 | Shimada Phys & Chem Ind Co Ltd | マイクロストリップライン・フィルタ及びパッケージ部品 |
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Also Published As
Publication number | Publication date |
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EP2899801A1 (en) | 2015-07-29 |
US20150333709A1 (en) | 2015-11-19 |
JP5935893B2 (ja) | 2016-06-15 |
EP2899801A4 (en) | 2016-05-18 |
EP2899801B1 (en) | 2017-10-04 |
JPWO2014045484A1 (ja) | 2016-08-18 |
AU2013319718A1 (en) | 2015-03-12 |
KR20150058420A (ko) | 2015-05-28 |
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