JPH0294820A - Radio equipment - Google Patents
Radio equipmentInfo
- Publication number
- JPH0294820A JPH0294820A JP63244216A JP24421688A JPH0294820A JP H0294820 A JPH0294820 A JP H0294820A JP 63244216 A JP63244216 A JP 63244216A JP 24421688 A JP24421688 A JP 24421688A JP H0294820 A JPH0294820 A JP H0294820A
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- transmission power
- filter
- output
- antenna
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 79
- 238000010586 diagram Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Transceivers (AREA)
Abstract
Description
【発明の詳細な説明】
［＆楽土の利用分野］
本発明は、無線機に関し、特に送信フィルタ、受信フィ
ルタ、及びアンテナ共用部とアイソレータを必要とする
無線機に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of Rakudo] The present invention relates to a radio device, and particularly to a radio device that requires a transmission filter, a reception filter, an antenna common part, and an isolator.
［従来の技術］ 従来のこの種の無線機の一例を第４図に示す。[Conventional technology] An example of a conventional radio device of this type is shown in FIG.
第４図において、１は送信機、２は受信機で、送信ｆｉ
ｔ内の送信電力増幅器３の出力がフィンレータ５に接続
され、アイソレータ５の出力が送信フィルタ４を介して
アンテナ共用部８に入力されるよう番こなっている。In FIG. 4, 1 is a transmitter, 2 is a receiver, and the transmission fi
The output of the transmission power amplifier 3 within t is connected to the finlayer 5, and the output of the isolator 5 is arranged to be input to the antenna common unit 8 via the transmission filter 4.
一方、アンテナ共用部８の受信端子は、受信フィルタ９
を介して受信機２内の高周波増幅器１０に接続されてい
る。なお、図中１１はアンテナ、１３はアンテナ接続端
子、１４はアンテナ端子である。On the other hand, the reception terminal of the antenna common unit 8 is connected to the reception filter 9.
It is connected to the high frequency amplifier 10 in the receiver 2 via. In the figure, 11 is an antenna, 13 is an antenna connection terminal, and 14 is an antenna terminal.
ここで送信電力増幅器３の出力信号は、検波器６で検波
され、送信電力制御回路７にて送信電力増幅器３に帰還
し、送信電力の安定化を図っている。またアイソレータ
５は、送信ＩＭ防止を主目的として挿入されている。Here, the output signal of the transmission power amplifier 3 is detected by a wave detector 6, and fed back to the transmission power amplifier 3 by a transmission power control circuit 7, thereby stabilizing the transmission power. Further, the isolator 5 is inserted with the main purpose of preventing IM transmission.
また送信フィルタ４．アンテナ共用部８、受信フィルタ
９とアンテナ接続端子１３が一体となり、デユープレク
サ１６として用いられる場合もある。Also, transmission filter 4. The antenna common portion 8, reception filter 9, and antenna connection terminal 13 may be integrated and used as a duplexer 16 in some cases.
［解決すべき課題］
上述した従来の無線機は、送信電力増幅器３と、この送
信電力増幅器３に直結されるアイソレータ５との間で送
信電力を検波器６にて検波し、送信電力制御回路７にて
送信電力増幅器３の送信電力の安定化を図っている。従
って送信フィルタ４単体にて固有に有するリップル等は
補正できず、アンテナ接続端子１３における送信電力も
Ｌ記すップル等の特性がそのまま表われてくることにな
る。これは送信周波数帯域が広帯域となったとき、帯域
の端での送信電力の低下等を引さ起こすという欠点があ
る。[Problems to be Solved] The conventional radio device described above detects the transmission power between the transmission power amplifier 3 and the isolator 5 directly connected to the transmission power amplifier 3 with the detector 6, and then detects the transmission power with the detector 6. 7, the transmission power of the transmission power amplifier 3 is stabilized. Therefore, the ripples and the like inherent in the transmission filter 4 alone cannot be corrected, and the transmission power at the antenna connection terminal 13 also exhibits the characteristics such as the ripples indicated by L as they are. This has the disadvantage that when the transmission frequency band becomes wide band, the transmission power decreases at the edge of the band.
本発明は上述した問題点にかんがみてなされたもので、
送信フィルタが有するリップル等の補正が可能であり、
送信電力の変動も防止できる無線機の提供を目的とする
。The present invention has been made in view of the above-mentioned problems.
It is possible to correct ripples etc. that the transmission filter has,
The purpose is to provide a radio device that can prevent fluctuations in transmission power.
［課題の解決手段］
上記目的を達成するために本発明の無線機は、送信電力
増幅器の出力端に送信フィルタを設け、送信フィルタか
らの送信出力信号を検波し、前記送信電力増幅器に帰還
し、送信電力を制御する制御回路を設け、かつ前記送信
フィルタの出力端にアイソレータを設け、アイソレータ
の出力をアンテナ共用部の送信端子に接続し、受信フィ
ルタの入力をアンテナ共用部の受信端子に接続した構成
としである。[Means for Solving the Problems] In order to achieve the above object, a radio device of the present invention includes a transmission filter provided at the output end of a transmission power amplifier, detects a transmission output signal from the transmission filter, and returns the signal to the transmission power amplifier. , a control circuit for controlling transmission power is provided, and an isolator is provided at the output end of the transmission filter, the output of the isolator is connected to the transmission terminal of the antenna common part, and the input of the reception filter is connected to the reception terminal of the antenna common part. This is the configuration.
また、前記アイソレータと前記アンテナ共用部と前記受
信フィルタとを金属シールドされた一体型ケースで覆い
、前記ケースの入出力端子としてアイソレータ入力端子
、アンテナ接続端子、受信フィルタ出力端子を設け、該
アンテナ接続端子として同軸接栓を用い、無線機のアン
テナ接続端子と共用した構成としである。Further, the isolator, the antenna common part, and the reception filter are covered with a metal-shielded integrated case, and an isolator input terminal, an antenna connection terminal, and a reception filter output terminal are provided as input/output terminals of the case, and the antenna is connected. A coaxial plug is used as the terminal, and it is configured to be used in common with the antenna connection terminal of a radio device.
さらに、アンテナ共用部としてサーキュレータを用いた
構成としである。Furthermore, a circulator is used as the antenna common part.
［実施例］
以下、本発明の一実施例について図面を参照して説明す
る。なお、以下では従来と共通する部分には共通する符
号を付して説明する。[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. Note that in the following description, common reference numerals are given to parts common to the conventional one.
第１図は、本発明の一実施例の構成を示すブロック図で
ある。FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.
図中、１は送信機であり、内部の送信電力増幅器３の出
力に送信フィルタ４が接続され、送信フィルタ４の出力
がアイソレータ５に入力されアイソレータ５の出力がア
ンテナ共用部８の送信端子に接続される。In the figure, 1 is a transmitter, a transmission filter 4 is connected to the output of an internal transmission power amplifier 3, the output of the transmission filter 4 is input to an isolator 5, and the output of the isolator 5 is connected to a transmission terminal of an antenna common section 8. Connected.
ここで、送信フィルタ４とアイソレータ５の接続ライン
より送信電力を検波器６にて検波し、検波出力を送信電
力制御回路７を介して送信電力増幅器３に帰還し、送信
フィルタ４のリップル等も補正された送信電力が得られ
、送信電力の安定化が図られている。Here, the transmitting power is detected by the detector 6 from the connection line between the transmitting filter 4 and the isolator 5, and the detected output is fed back to the transmitting power amplifier 3 via the transmitting power control circuit 7. Corrected transmission power is obtained, and the transmission power is stabilized.
また、アイソレータ５も送信フィルタ４とアンテナ共用
部８との間に挿入されているので送信ＩＭやアンテナの
電圧定在波比の変化による送信電力の変動が防止される
ようになっている。Furthermore, since the isolator 5 is also inserted between the transmission filter 4 and the antenna common section 8, fluctuations in transmission power due to changes in the voltage standing wave ratio of the transmission IM or antenna are prevented.
一方、アンテナ共用部８の受信端子には受信フィルタ９
を接続し、受信フィルタ９の出力を受信機２内の高周波
増幅器１０に接続している。On the other hand, a reception filter 9 is connected to the reception terminal of the antenna common section 8.
is connected, and the output of the reception filter 9 is connected to a high frequency amplifier 10 in the receiver 2.
なお、１１はアンテナであり、アンテナ共用部８のアン
テナ端子に接続されている。Note that 11 is an antenna, which is connected to the antenna terminal of the antenna common section 8.
第２図は、第１図においてアイソレータ５とアンテナ共
用部８と受信フィルタ９とアンテナ接続端子１３を金属
シールドされた一体型ケース１２で覆い、一体型ケース
１２よりの入出力端子としてアイソレータ入力端子、ア
ンテナ接続端子１３、受信フィルタ出力端子を設け、ア
ンテナ接続端子１３を同軸接栓としたものであり、装置
のコンパクト化及びシールド化を図っている。このアン
テナ接続端子１３は無線器のアンテナ接続端子と共用し
、アンテナ接続端子の削減を図っている。なお、１４は
アンテナ端子で、アンテナ接続端子１３に接続される。In FIG. 2, the isolator 5, the antenna common part 8, the receiving filter 9, and the antenna connection terminal 13 in FIG. , an antenna connection terminal 13, and a reception filter output terminal, and the antenna connection terminal 13 is a coaxial plug, thereby making the device compact and shielded. This antenna connection terminal 13 is shared with the antenna connection terminal of the wireless device, thereby reducing the number of antenna connection terminals. Note that 14 is an antenna terminal, which is connected to the antenna connection terminal 13.
第３図は、第１図または第２図におけるアンテナ共用部
８としてサーキュレータ１５を用いたもので、アンテナ
共用部８の整合回路構成を簡単にしている。In FIG. 3, a circulator 15 is used as the antenna common section 8 in FIG. 1 or 2, and the matching circuit configuration of the antenna common section 8 is simplified.
［発明の効果］
以上説明したように本発明は、送信電力増幅器の出力に
送信フィルタを接続し、送信フィルタの出力より送信電
力を検波し、送信電力増幅器に帰二をかけるようにした
ため、送信フィルタのリップル等も補正された送信電力
が得られると共に、アイソレータも送信フィルタとアン
テナ共用部との間に挿入するようにしたので、送信ＩＭ
やアンテナの電圧定在波比の変化による送信電力の変動
も防止できる。[Effects of the Invention] As explained above, the present invention connects a transmission filter to the output of a transmission power amplifier, detects the transmission power from the output of the transmission filter, and applies a function to the transmission power amplifier. In addition to obtaining transmission power with filter ripples corrected, an isolator is also inserted between the transmission filter and the antenna common section, so the transmission IM
It is also possible to prevent fluctuations in transmission power due to changes in the voltage standing wave ratio of the antenna.
第１図は本発明の一実施例に係る無線機を示すブロック
図、第２図は第１図のアイソレータ、アンテナ共用部、
受信フィルタを金属シールドで覆いアンテナ接続端子を
設けた例を示すブロック図、第３図はアンテナ共用部と
してサーキュレータを使用した例を示すブロック図、そ
して第４図は従来の無線機の例を示すブロック図である
。
１：送信機 ２：受信機
３：送信電力増幅器 ４：送信フィルタ５ニアイソレ
ータ ６：検波器
７：送信電力制御回路 ８：アンテナ共用部９：受信フ
ィルタ
１０：受信高周波増幅器
１トアンテナ
１２：金属シールドケース
１３．１４：同軸接栓
１５：サーキュレータ
１６：デユープレクサ
築
図FIG. 1 is a block diagram showing a radio device according to an embodiment of the present invention, and FIG. 2 shows the isolator and antenna common part of FIG.
A block diagram showing an example in which the receiving filter is covered with a metal shield and provided with an antenna connection terminal, Fig. 3 is a block diagram showing an example in which a circulator is used as the antenna common part, and Fig. 4 shows an example of a conventional radio device. It is a block diagram. 1: Transmitter 2: Receiver 3: Transmission power amplifier 4: Transmission filter 5 near isolator 6: Detector 7: Transmission power control circuit 8: Antenna common section 9: Reception filter 10: Reception high frequency amplifier 1 antenna 12: Metal Shield case 13.14: Coaxial plug 15: Circulator 16: Duplexer construction diagram
Claims (1)
無線器において、送信電力増幅器の出力端に送信フィル
タを設け、送信フィルタからの送信出力信号を検波し、
前記送信電力増幅器に帰還し、送信電力を制御する制御
回路を設け、かつ前記送信フィルタの出力端にアイソレ
ータを設け、アイソレータの出力をアンテナ共用部の送
信端子に接続し、受信フィルタの入力をアンテナ共用部
の受信端子に接続したことを特徴とした無線機。In a radio device equipped with a transmission filter, a reception filter, and a shared antenna part, a transmission filter is provided at the output end of a transmission power amplifier, a transmission output signal from the transmission filter is detected,
A control circuit is provided to feed back to the transmission power amplifier and control the transmission power, and an isolator is provided at the output end of the transmission filter, the output of the isolator is connected to the transmission terminal of the antenna common part, and the input of the reception filter is connected to the antenna. A radio device that is characterized by being connected to a reception terminal in a common area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63244216A JP2712379B2 (en) | 1988-09-30 | 1988-09-30 | transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63244216A JP2712379B2 (en) | 1988-09-30 | 1988-09-30 | transceiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0294820A true JPH0294820A (en) | 1990-04-05 |
| JP2712379B2 JP2712379B2 (en) | 1998-02-10 |
Family
ID=17115474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63244216A Expired - Fee Related JP2712379B2 (en) | 1988-09-30 | 1988-09-30 | transceiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2712379B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08111658A (en) * | 1994-09-27 | 1996-04-30 | Korea Electron Telecommun | Up-converter high-power amplifier for satellite communication terminal ground station dedicated to low-speeddata |
| KR20030091157A (en) * | 2002-05-24 | 2003-12-03 | 엘지전자 주식회사 | Isolator on-board duplexer |
| JP2007274465A (en) * | 2006-03-31 | 2007-10-18 | Nec Corp | Radio unit |
| JP2015527844A (en) * | 2012-07-30 | 2015-09-17 | フォトニック システムズ， インコーポレイテッド | Same aperture arbitrary frequency simultaneous transmission and reception communication system |
| US10158432B2 (en) | 2015-10-22 | 2018-12-18 | Photonic Systems, Inc. | RF signal separation and suppression system and method |
| US10374656B2 (en) | 2012-07-30 | 2019-08-06 | Photonic Systems, Inc. | Same-aperture any-frequency simultaneous transmit and receive communication system |
| US10623986B2 (en) | 2015-10-22 | 2020-04-14 | Photonic Systems, Inc. | RF signal separation and suppression system and method |
| US11539392B2 (en) | 2012-07-30 | 2022-12-27 | Photonic Systems, Inc. | Same-aperture any-frequency simultaneous transmit and receive communication system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57206133A (en) * | 1981-06-12 | 1982-12-17 | Mitsubishi Electric Corp | Transmitter |
| JPS5942766U (en) * | 1982-09-10 | 1984-03-21 | 株式会社クボタ | High-speed reversing restraint structure for walking work vehicles |
| JPS62171327A (en) * | 1986-01-24 | 1987-07-28 | Hitachi Ltd | Surface acoustic wave branching filter module |
-
1988
- 1988-09-30 JP JP63244216A patent/JP2712379B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57206133A (en) * | 1981-06-12 | 1982-12-17 | Mitsubishi Electric Corp | Transmitter |
| JPS5942766U (en) * | 1982-09-10 | 1984-03-21 | 株式会社クボタ | High-speed reversing restraint structure for walking work vehicles |
| JPS62171327A (en) * | 1986-01-24 | 1987-07-28 | Hitachi Ltd | Surface acoustic wave branching filter module |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08111658A (en) * | 1994-09-27 | 1996-04-30 | Korea Electron Telecommun | Up-converter high-power amplifier for satellite communication terminal ground station dedicated to low-speeddata |
| KR20030091157A (en) * | 2002-05-24 | 2003-12-03 | 엘지전자 주식회사 | Isolator on-board duplexer |
| JP2007274465A (en) * | 2006-03-31 | 2007-10-18 | Nec Corp | Radio unit |
| US10374656B2 (en) | 2012-07-30 | 2019-08-06 | Photonic Systems, Inc. | Same-aperture any-frequency simultaneous transmit and receive communication system |
| US9935680B2 (en) | 2012-07-30 | 2018-04-03 | Photonic Systems, Inc. | Same-aperture any-frequency simultaneous transmit and receive communication system |
| JP2015527844A (en) * | 2012-07-30 | 2015-09-17 | フォトニック システムズ， インコーポレイテッド | Same aperture arbitrary frequency simultaneous transmission and reception communication system |
| US10425121B2 (en) | 2012-07-30 | 2019-09-24 | Photonic Systems, Inc. | Same-aperture any-frequency simultaneous transmit and receive communication system |
| US10651886B2 (en) | 2012-07-30 | 2020-05-12 | Photonic Systems, Inc. | Same-aperture any-frequency simultaneous transmit and receive communication system |
| US10879950B2 (en) | 2012-07-30 | 2020-12-29 | Photonic Systems, Inc. | Same-aperture any-frequency simultaneous transmit and receive communication system |
| US11539392B2 (en) | 2012-07-30 | 2022-12-27 | Photonic Systems, Inc. | Same-aperture any-frequency simultaneous transmit and receive communication system |
| US10158432B2 (en) | 2015-10-22 | 2018-12-18 | Photonic Systems, Inc. | RF signal separation and suppression system and method |
| US10623986B2 (en) | 2015-10-22 | 2020-04-14 | Photonic Systems, Inc. | RF signal separation and suppression system and method |
| US11817989B2 (en) | 2015-10-22 | 2023-11-14 | Photonic Systems, Inc. | RF signal separation and suppression system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2712379B2 (en) | 1998-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |