JPH05153011A - Antenna system - Google Patents

Antenna system

Info

Publication number
JPH05153011A
JPH05153011A JP3317065A JP31706591A JPH05153011A JP H05153011 A JPH05153011 A JP H05153011A JP 3317065 A JP3317065 A JP 3317065A JP 31706591 A JP31706591 A JP 31706591A JP H05153011 A JPH05153011 A JP H05153011A
Authority
JP
Japan
Prior art keywords
terminal
phase
coil
amplifiers
antenna device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP3317065A
Other languages
Japanese (ja)
Other versions
JP2924376B2 (en
Inventor
Akio Kuramoto
晶夫 倉本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP3317065A priority Critical patent/JP2924376B2/en
Publication of JPH05153011A publication Critical patent/JPH05153011A/en
Application granted granted Critical
Publication of JP2924376B2 publication Critical patent/JP2924376B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To eliminate a loss caused by a phase-shifter and to make the beam direction of a composite pattern variable at the time of reception by respectively making the phases of the branch outputs of a power distributing means based on bias voltage to be inputted to be variable. CONSTITUTION:At the time of reception, a signal received by a horn antennas 1 and 2 are synthesized with the same phase by way of directional couplers 3 and 4 and reached an input/output terminal 5. Then, a part of the receiving signal is inputted from the connection port of the directional couplers 3 and 4 to amplifiers 6 and 7 as high-frequency amplifiers. The amplifiers 6 and 7 synthesize the receiving signals with the same phase after amplifying it in the case of the same frequency characteristic, and output it to a receiving signal output terminal 8. Namely, if bias terminals 9 and 10 are given bias voltage so that the amplifiers 6 and 7 have the frequency characteristics of the same amplitude and phase, the receiving signal when the center of a beam is in the direction of the front face of the horn antennas 1 and 2 can be obtained. In order to change a pattern only at the time of reception, the phase characteristics of the amplifiers 6 and 7 are changed.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、衛星通信のアンテナ装
置に利用する。特に、ビーム方向が電気的に可変なアン
テナ装置に関するものである。
The present invention is used in an antenna device for satellite communication. In particular, the present invention relates to an antenna device whose beam direction is electrically variable.

【0002】[0002]

【従来の技術】図4は従来例のアンテナ装置のブロック
構成図である。図5はアンテナ装置のビーム方向を変化
させる動作原理を示す図である。
2. Description of the Related Art FIG. 4 is a block diagram of a conventional antenna device. FIG. 5 is a diagram showing the operating principle of changing the beam direction of the antenna device.

【0003】従来、アンテナ装置は、図4に示すように
二つのホーンアンテナ11、12にビーム方向を可変す
る可変移相器13、14がそれぞれ接続され、可変移相
器13、14に入出力端子15が接続された構成となっ
ていた。ここで、電気的にホーンアンテナ11、12か
らのビーム方向を変化させるために可変移相器13、1
4の位相を変化させている。
Conventionally, in an antenna device, as shown in FIG. 4, two horn antennas 11 and 12 are connected to variable phase shifters 13 and 14 for varying the beam direction, respectively, and input and output to and from the variable phase shifters 13 and 14. The terminal 15 was connected. Here, in order to electrically change the beam direction from the horn antennas 11 and 12, variable phase shifters 13 and 1 are provided.
The phase of 4 is changed.

【0004】図5において、ホーンアンテナ11、12
の合成パタンのビーム方向は、二つのホーンアンテナが
同位相で励振されていれば、上方向、すなわち、y方向
を向いている。いま、合成パタンのビーム方向を、角度
θT 〔rad〕だけ変化させるためには、ホーンアンテ
ナ11側の励振位相を(2πd/λ)sinθT 〔ra
d〕だけ遅らせ、ホーンアンテナ12側の励振位相を
(2πd/λ)sinθT 〔rad〕だけ進めればよ
い。逆に、角度−θT 〔rad〕方向にビームを変化さ
せるためには、ホーンアンテナ11側の励振位相を(2
πd/λ)sinθT 〔rad〕だけ進め、ホーンアン
テナ12側の励振位相を(2πd/λ)sinθT 〔r
ad〕だけ遅らせればよい。
In FIG. 5, horn antennas 11 and 12 are shown.
If the two horn antennas are excited in the same phase, the beam direction of the composite pattern of (3) is in the upward direction, that is, in the y direction. Now, in order to change the beam direction of the composite pattern by the angle θ T [rad], the excitation phase on the horn antenna 11 side is (2πd / λ) sin θ T [ra].
d] and the excitation phase on the horn antenna 12 side is advanced by (2πd / λ) sin θ T [rad]. Conversely, in order to change the beam in the angle −θ T [rad] direction, the excitation phase on the horn antenna 11 side is set to (2
πd / λ) sin θ T [rad] to advance the excitation phase on the horn antenna 12 side to (2πd / λ) sin θ T [r
ad].

【0005】[0005]

【発明が解決しようとする課題】しかし、このような従
来例のアンテナ装置では、各アンテナの給電線に直接的
に移相器が接続されているために、次のような欠点があ
った。 受信時の合成パタンのビーム方向のみを変化させる
ことができない。 移相器を必要とするために移相器の損失がある。 送信電力が大きいときに、移相器の耐電力を大きく
する必要がある。
However, the antenna device of such a conventional example has the following drawbacks because the phase shifter is directly connected to the feed line of each antenna. It is not possible to change only the beam direction of the combined pattern during reception. There is a phase shifter loss due to the need for a phase shifter. When the transmission power is high, it is necessary to increase the power resistance of the phase shifter.

【0006】本発明は上記の欠点を解決するもので、移
相器を必要とせず移相器による損失がなく、かつ合成パ
タンのビーム方向を送信時には変化させず受信時に変化
させることができるアンテナ装置を提供することを目的
とする。
The present invention solves the above-mentioned drawbacks. An antenna that does not require a phase shifter, has no loss due to the phase shifter, and can change the beam direction of the combined pattern at the time of transmission and not at the time of reception. The purpose is to provide a device.

【0007】[0007]

【課題を解決するための手段】本発明は、複数のアンテ
ナと、この複数のアンテナに接続され送受信信号を分配
合成する分配合成手段とを備えたアンテナ装置におい
て、上記複数のアンテナと上記分配合成器との間にそれ
ぞれ挿入されこの複数のアンテナの受信信号をそれぞれ
分岐出力する複数の電力分配手段と、入力するバイアス
電圧に基づきこの複数の電力分配手段の分岐出力の位相
を可変する複数の高周波増幅器と、この複数の高周波増
幅器の出力を合成する合成手段と、上記高周波増幅器に
それぞれ上記バイアス電圧を与える複数のバイアス端子
とを備えたことを特徴とする。
The present invention provides an antenna device comprising a plurality of antennas and a distribution / combining means connected to the plurality of antennas for distributing / combining transmitted / received signals. A plurality of power distribution means that are respectively inserted between the plurality of antennas and the output signals of the plurality of antennas, and a plurality of high frequency waves that change the phases of the branch outputs of the plurality of power distribution means based on the input bias voltage. An amplifier, a combining means for combining the outputs of the plurality of high-frequency amplifiers, and a plurality of bias terminals for applying the bias voltages to the high-frequency amplifier are provided.

【0008】また、本発明は、上記高周波増幅器は、上
記電力分配手段の分岐出力に一方の端子が接続された第
一のコイルと、この第一のコイルの一方の端子と共通電
位との間に挿入された第一のコンデンサと、上記第一の
コイルの他方の端子と上記バイアス端子との間に挿入さ
れた第一の抵抗と、上記第一のコイルの他方の端子と上
記共通電位との間に挿入された第二のコンデンサと、上
記バイアス端子と上記共通電位との間に挿入された第三
のコンデンサと、ベースが上記第一のコイルの他方の端
子に接続されエミッタが上記共通電位に接続されたトラ
ンジスタと、電源端子とこのトランジスタのコレクタと
の間に挿入された第二のコイルと、上記電源端子と上記
共通電位との間に挿入された第四のコンデンサと、上記
トランジスタのコレクタと上記合成手段との間に挿入さ
れた第三のコイルと、上記合成手段と上記共通電位との
間に挿入された第五のコンデンサとを含むことができ
る。
In the high frequency amplifier according to the present invention, between the first coil having one terminal connected to the branch output of the power distribution means, and one terminal of the first coil and the common potential. A first capacitor inserted between the first coil, the other terminal of the first coil and the bias terminal, and the other terminal of the first coil and the common potential. A second capacitor inserted between the bias terminal and the common potential, a base connected to the other terminal of the first coil, and an emitter connected to the common terminal. A transistor connected to the potential, a second coil inserted between the power supply terminal and the collector of the transistor, a fourth capacitor inserted between the power supply terminal and the common potential, and the transistor The May include Kuta and a third coil which is inserted between said combining means, and a fifth capacitor which is inserted between said combining means and said common potential.

【0009】さらに、本発明は、上記電力分配手段は方
向性結合器であることができる。
Further, according to the present invention, the power distribution means may be a directional coupler.

【0010】[0010]

【作用】複数のアンテナと分配合成器との間にそれぞれ
挿入された電力分配手段でアンテナの受信信号を分岐出
力する。高周波増幅器は入力するバイアス電圧に基づき
電力分配手段の分岐出力の位相をそれぞれ可変する。合
成手段はこの高周波増幅器の出力を合成する。バイアス
端子は外部から入力するバイアス電圧を高周波増幅器に
それぞれ与える。
The received signal of the antenna is branched and output by the power distribution means inserted between each of the plurality of antennas and the distribution combiner. The high frequency amplifier varies the phase of the branch output of the power distribution means based on the input bias voltage. The combining means combines the outputs of the high frequency amplifiers. The bias terminals respectively apply a bias voltage input from the outside to the high frequency amplifier.

【0011】以上により移相器を必要とせず移相器によ
る損失がなく、かつ合成パタンのビーム方向を送信時に
は変化させず受信時に変化させることができる。
As described above, the phase shifter is not required, there is no loss due to the phase shifter, and the beam direction of the combined pattern can be changed during reception without changing during transmission.

【0012】[0012]

【実施例】本発明の実施例について図面を参照して説明
する。図1は本発明一実施例アンテナ装置のブロック構
成図である。図2は本発明のアンテナ装置の増幅器の回
路図である。
Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram of an antenna device according to an embodiment of the present invention. FIG. 2 is a circuit diagram of the amplifier of the antenna device of the present invention.

【0013】図1および図2において、アンテナ装置
は、複数のアンテナとしてホーンアンテナ1、2と、ホ
ーンアンテナ1、2にそれぞれ接続され送受信信号を分
配合成する分配合成手段として入出力端子5とを備え
る。
1 and 2, the antenna device has horn antennas 1 and 2 as a plurality of antennas, and an input / output terminal 5 as a distribution / combining means connected to the horn antennas 1 and 2 for distributing / combining transmitted / received signals. Prepare

【0014】ここで本発明の特徴とするところは、ホー
ンアンテナ1、2と入出力端子5との間に挿入されホー
ンアンテナ1、2の受信信号をそれぞれ分岐出力する電
力分配手段として方向性結合器3、4と、入力するバイ
アス電圧に基づき方向性結合器3、4の分岐出力の位相
を可変する高周波増幅器として増幅器6、7と、増幅器
6、7の出力を合成する受信信号出力端子8と、増幅器
6、7にそれぞれ上記バイアス電圧を与えるバイアス端
子9、10とを備えたことにある。
The feature of the present invention is that the directional coupling is provided as a power distribution means which is inserted between the horn antennas 1 and 2 and the input / output terminal 5 to branch and output the reception signals of the horn antennas 1 and 2, respectively. Amplifiers 3 and 4, and a reception signal output terminal 8 for synthesizing the outputs of the amplifiers 6 and 7 as high-frequency amplifiers that change the phases of the branched outputs of the directional couplers 3 and 4 based on the input bias voltage And the bias terminals 9 and 10 for applying the above bias voltages to the amplifiers 6 and 7, respectively.

【0015】また、増幅器6、7は、方向性結合器3、
4の分岐出力に接続された入力端子26と、入力端子2
6に一方の端子が接続された第一のコイルとしてコイル
21と、コイル21の一方の端子と共通電位との間に挿
入された第一のコンデンサとしてコンデンサ16と、コ
イル21の他方の端子とバイアス端子9、10との間に
挿入された第一の抵抗として抵抗24と、コイル21の
他方の端子と共通電位との間に挿入された第二のコンデ
ンサとしてコンデンサ17と、バイアス端子9、10と
共通電位との間に挿入された第三のコンデンサとしてコ
ンデンサ19と、ベースがコイル21の他方の端子に接
続されエミッタが共通電位に接続されたトランジスタ2
5と、電源端子28とトランジスタ25のコレクタとの
間に挿入された第二のコイルとしてコイル22と、電源
端子28と共通電位との間に挿入された第四のコンデン
サとしてコンデンサ20と、トランジスタ25のコレク
タと受信信号出力端子8との間に挿入された第三のコイ
ルとしてコイル23と、受信信号出力端子8と共通電位
との間に挿入された第五のコンデンサとしてコンデンサ
18とを含む。
Further, the amplifiers 6 and 7 are directional couplers 3,
The input terminal 26 connected to the branch output 4 and the input terminal 2
A coil 21 as a first coil whose one terminal is connected to 6, a capacitor 16 as a first capacitor inserted between one terminal of the coil 21 and the common potential, and the other terminal of the coil 21. A resistor 24 as a first resistor inserted between the bias terminals 9 and 10, a capacitor 17 as a second capacitor inserted between the other terminal of the coil 21 and the common potential, a bias terminal 9, Capacitor 19 as a third capacitor inserted between 10 and the common potential, and transistor 2 having the base connected to the other terminal of the coil 21 and the emitter connected to the common potential.
5, the coil 22 as the second coil inserted between the power supply terminal 28 and the collector of the transistor 25, the capacitor 20 as the fourth capacitor inserted between the power supply terminal 28 and the common potential, and the transistor A coil 23 as a third coil inserted between the collector of 25 and the reception signal output terminal 8 and a capacitor 18 as a fifth capacitor inserted between the reception signal output terminal 8 and the common potential. ..

【0016】このような構成のアンテナ装置の動作につ
いて説明する。図3は本発明のアンテナ装置の増幅器の
トランジスタの振幅周波数特性および位相周波数特性を
示す図である。
The operation of the antenna device having such a configuration will be described. FIG. 3 is a diagram showing the amplitude frequency characteristic and the phase frequency characteristic of the transistor of the amplifier of the antenna device of the present invention.

【0017】図1において、送信を行うときは、入出力
端子5に送信電力を入力すればホーンアンテナ1、2よ
り送信される。ただし、この場合に送信電力の一部は方
向性結合器3、4のダミーで損失となる。
In FIG. 1, when transmission is performed, the transmission power is input to the input / output terminal 5, and the transmission is performed from the horn antennas 1 and 2. However, in this case, a part of the transmission power is lost in the dummy of the directional couplers 3 and 4.

【0018】また、受信時には、ホーンアンテナ1、2
で受信された信号は方向性結合器3、4を通り同位相で
合成され、入出力端子5に至る。このとき受信信号の一
部は、方向性結合器3、4の結合ポートから増幅器6、
7に入力される。増幅器6、7は、同一周波数特性の場
合には、受信信号を増幅した後に同位相で合成され、受
信信号出力端子8に出力される。
When receiving, horn antennas 1, 2
The signals received at 1 pass through the directional couplers 3 and 4 and are combined in phase to reach the input / output terminal 5. At this time, a part of the received signal is transmitted from the coupling ports of the directional couplers 3 and 4 to the amplifier 6,
Input to 7. When the amplifiers 6 and 7 have the same frequency characteristic, the received signals are amplified, then combined in phase, and output to the received signal output terminal 8.

【0019】すなわち、バイアス端子9、10には増幅
器6、7が同じ振幅および位相の周波数特性をもつよう
にバイアス電圧を与えれば、ホーンアンテナ1、2の正
面方向にビームの中心があるときの受信信号を得ること
ができる。受信時のみのパタンを変化させるには、増幅
器6、7の位相特性を変化させればよい。これを図3を
用いて説明すれば、角度+θT だけビームを動かすため
には、増幅器6の位相を増幅器7に比べて(4πd/
λ)sinθT 〔rad〕だけ遅らせてやるか、または
増幅器7の位相を増幅器6に比べて(4πd/λ)si
nθT 〔rad〕だけ進めてやればよい。
That is, if a bias voltage is applied to the bias terminals 9 and 10 so that the amplifiers 6 and 7 have frequency characteristics of the same amplitude and phase, the beam center in the front direction of the horn antennas 1 and 2 will be obtained. The received signal can be obtained. To change the pattern only at the time of reception, the phase characteristics of the amplifiers 6 and 7 may be changed. This will be described with reference to FIG. 3. In order to move the beam by the angle + θ T , the phase of the amplifier 6 is (4πd /
λ) sin θ T [rad], or the phase of the amplifier 7 is (4πd / λ) si compared to that of the amplifier 6.
It is sufficient to proceed by nθ T [rad].

【0020】増幅器6、7の位相特性は、バイアス端子
9、10から加えるバイアス電圧によって変化させる。
The phase characteristics of the amplifiers 6 and 7 are changed by the bias voltage applied from the bias terminals 9 and 10.

【0021】図2において、増幅器6、7は、受信信号
を入力端子26より入力し、出力端子27より増幅して
出力する。電源端子28には、適切な直流電圧を加え、
バイアス端子29に加えるバイアス電圧を調整すること
により、コレクタ電流IC を変化させることができる。
コレクタ電流IC が変化すると、増幅器6、7の振幅お
よび位相特性が変化するが、振幅がほとんど変わらず、
位相特性のみが変化する動作領域を用いればよい。
In FIG. 2, amplifiers 6 and 7 receive a received signal from an input terminal 26, amplify it from an output terminal 27, and output it. Appropriate DC voltage is applied to the power supply terminal 28,
The collector current I C can be changed by adjusting the bias voltage applied to the bias terminal 29.
When the collector current I C changes, the amplitude and phase characteristics of the amplifiers 6 and 7 change, but the amplitude hardly changes,
It suffices to use an operating region in which only the phase characteristic changes.

【0022】図5(a)および図5(b)はトランジス
タ25のコレクタ電流IC に対する利得および位相の周
波数特性の一例をそれぞれ示す。図5(a)に示すよう
に、コレクタ電流IC は1GHzで10mA〜20mA
に変化しても振幅利得(dB)はほとんど変化しない
が、図5(b)に示す位相(度)は約6°変化してい
る。したがって、コレクタ電流IC を変化させてやれ
ば、増幅器6、7の位相を変化させることができ、受信
時のアンテナのビーム方向を変化させることができる。
FIGS. 5A and 5B show examples of frequency characteristics of gain and phase with respect to the collector current I C of the transistor 25, respectively. As shown in FIG. 5A, the collector current I C is 10 mA to 20 mA at 1 GHz.
Although the amplitude gain (dB) hardly changes even when is changed to, the phase (degree) shown in FIG. 5B is changed by about 6 °. Therefore, if the collector current I C is changed, the phases of the amplifiers 6 and 7 can be changed, and the beam direction of the antenna at the time of reception can be changed.

【0023】[0023]

【発明の効果】以上説明したように、本発明は、移相器
を必要とせず移相器による損失がなく、かつ合成パタン
のビーム方向を送信時に変化させず受信時に変化させる
ことができる優れた効果がある。
As described above, according to the present invention, a phase shifter is not required, there is no loss due to the phase shifter, and the beam direction of the combined pattern can be changed at the time of reception without being changed. There is an effect.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明一実施例アンテナ装置のブロック構成
図。
FIG. 1 is a block configuration diagram of an antenna device according to an embodiment of the present invention.

【図2】本発明のアンテナ装置の増幅器の回路図。FIG. 2 is a circuit diagram of an amplifier of the antenna device of the present invention.

【図3】本発明のアンテナ装置の増幅器のトランジスタ
の振幅周波数特性および位相周波数特性を示す図。
FIG. 3 is a diagram showing amplitude frequency characteristics and phase frequency characteristics of a transistor of an amplifier of an antenna device of the present invention.

【図4】従来例のアンテナ装置のブロック構成図。FIG. 4 is a block configuration diagram of a conventional antenna device.

【図5】アンテナ装置のビーム方向を変化させる動作原
理を示す図である。
FIG. 5 is a diagram showing an operation principle of changing the beam direction of the antenna device.

【符号の説明】[Explanation of symbols]

1、2、11、12 ホーンアンテナ 3、4 方向結合器 5、15 入出力端子 6、7 増幅器 8 受信信号出力端子 9、10、29 バイアス端子 13、14 可変移相器 16〜20 コンデンサ 21〜23 コイル 24 抵抗 25 トランジスタ 26 入力端子 27 出力端子 28 電源端子 1, 2, 11, 12 Horn antenna 3, 4 Directional coupler 5, 15 Input / output terminal 6, 7 Amplifier 8 Received signal output terminal 9, 10, 29 Bias terminal 13, 14 Variable phase shifter 16-20 Capacitor 21- 23 coil 24 resistance 25 transistor 26 input terminal 27 output terminal 28 power supply terminal

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 FI 技術表示箇所 H04B 7/08 D 9199−5K 7/10 A 9199−5K ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification code Internal reference number FI Technical indication H04B 7/08 D 9199-5K 7/10 A 9199-5K

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 複数のアンテナと、この複数のアンテナ
にそれぞれ接続され送受信信号を分配合成する分配合成
手段とを備えたアンテナ装置において、 上記複数のアンテナと上記分配合成器との間にそれぞれ
挿入されこのアンテナの受信信号をそれぞれ分岐出力す
る電力分配手段と、入力するバイアス電圧に基づきこの
電力分配手段の分岐出力に挿入されその位相を可変する
高周波増幅器と、この高周波増幅器の出力を上記複数の
アンテナについて合成する合成手段と、上記高周波増幅
器にそれぞれ上記バイアス電圧を与えるバイアス端子と
を備えたことを特徴とするアンテナ装置。
1. An antenna device, comprising: a plurality of antennas; and a distributor / combiner connected to each of the plurality of antennas and distributing / combining transmitted / received signals, wherein the antenna device is inserted between the plurality of antennas and the distributor / combiner. The power distribution means for branching and outputting the received signal of the antenna, the high frequency amplifier inserted into the branch output of the power distribution means based on the input bias voltage to change the phase thereof, and the output of the high frequency amplifier for the plurality of outputs An antenna device comprising: combining means for combining antennas; and a bias terminal for applying the bias voltage to each of the high frequency amplifiers.
【請求項2】 上記高周波増幅器は、上記電力分配手段
の分岐出力に一方の端子が接続された第一のコイルと、
この第一のコイルの一方の端子と共通電位との間に挿入
された第一のコンデンサと、上記第一のコイルの他方の
端子と上記バイアス端子との間に挿入された第一の抵抗
と、上記第一のコイルの他方の端子と上記共通電位との
間に挿入された第二のコンデンサと、上記バイアス端子
と上記共通電位との間に挿入された第三のコンデンサ
と、ベースが上記第一のコイルの他方の端子に接続され
エミッタが上記共通電位に接続されたトランジスタと、
電源端子とこのトランジスタのコレクタとの間に挿入さ
れた第二のコイルと、上記電源端子と上記共通電位との
間に挿入された第四のコンデンサと、上記トランジスタ
のコレクタと上記合成手段との間に挿入された第三のコ
イルと、上記合成手段と上記共通電位との間に挿入され
た第五のコンデンサとを含む請求項1記載のアンテナ装
置。
2. The high-frequency amplifier includes a first coil having one terminal connected to a branch output of the power distribution means,
A first capacitor inserted between one terminal of the first coil and a common potential, and a first resistor inserted between the other terminal of the first coil and the bias terminal. A second capacitor inserted between the other terminal of the first coil and the common potential; a third capacitor inserted between the bias terminal and the common potential; A transistor connected to the other terminal of the first coil and having an emitter connected to the common potential;
A second coil inserted between the power supply terminal and the collector of the transistor; a fourth capacitor inserted between the power supply terminal and the common potential; a collector of the transistor and the combining means; The antenna device according to claim 1, further comprising a third coil inserted between them, and a fifth capacitor inserted between the synthesizing means and the common potential.
【請求項3】 上記電力分配手段は方向性結合器である
請求項1記載のアンテナ装置。
3. The antenna device according to claim 1, wherein the power distribution means is a directional coupler.
JP3317065A 1991-11-29 1991-11-29 Antenna device Expired - Lifetime JP2924376B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3317065A JP2924376B2 (en) 1991-11-29 1991-11-29 Antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3317065A JP2924376B2 (en) 1991-11-29 1991-11-29 Antenna device

Publications (2)

Publication Number Publication Date
JPH05153011A true JPH05153011A (en) 1993-06-18
JP2924376B2 JP2924376B2 (en) 1999-07-26

Family

ID=18084034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3317065A Expired - Lifetime JP2924376B2 (en) 1991-11-29 1991-11-29 Antenna device

Country Status (1)

Country Link
JP (1) JP2924376B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007094118A1 (en) * 2006-02-17 2007-08-23 Brother Kogyo Kabushiki Kaisha Wireless tag communication device
CN104617391A (en) * 2013-11-05 2015-05-13 华为终端有限公司 Method and device for adjusting antenna directional pattern
CN117374593A (en) * 2023-12-07 2024-01-09 四川九洲电器集团有限责任公司 Same-frequency high-isolation multifunctional receiving-transmitting reciprocal feed network

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838005A (en) * 1981-08-07 1983-03-05 トムソン−セエスエフ Main and auxiliary antenna assembly for electronic scan and rader including same assembly
JPH0326015A (en) * 1989-06-23 1991-02-04 Nec Corp Variable voltage phase shifter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838005A (en) * 1981-08-07 1983-03-05 トムソン−セエスエフ Main and auxiliary antenna assembly for electronic scan and rader including same assembly
JPH0326015A (en) * 1989-06-23 1991-02-04 Nec Corp Variable voltage phase shifter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007094118A1 (en) * 2006-02-17 2007-08-23 Brother Kogyo Kabushiki Kaisha Wireless tag communication device
CN104617391A (en) * 2013-11-05 2015-05-13 华为终端有限公司 Method and device for adjusting antenna directional pattern
CN117374593A (en) * 2023-12-07 2024-01-09 四川九洲电器集团有限责任公司 Same-frequency high-isolation multifunctional receiving-transmitting reciprocal feed network
CN117374593B (en) * 2023-12-07 2024-04-12 四川九洲电器集团有限责任公司 Same-frequency high-isolation receiving-transmitting reciprocal feed network

Also Published As

Publication number Publication date
JP2924376B2 (en) 1999-07-26

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