JPH02105636A - Radio equipment - Google Patents
Radio equipmentInfo
- Publication number
- JPH02105636A JPH02105636A JP63257051A JP25705188A JPH02105636A JP H02105636 A JPH02105636 A JP H02105636A JP 63257051 A JP63257051 A JP 63257051A JP 25705188 A JP25705188 A JP 25705188A JP H02105636 A JPH02105636 A JP H02105636A
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- transmitting
- reception
- filter
- receiving
- 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 52
- 230000003321 amplification Effects 0.000 description 10
- 238000003199 nucleic acid amplification method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、携帯型無線機などて、車載時に外部アンテナ
を装着し、ブースタ（送信電力増幅器）を接続して送信
出力を増加させることが可能な無線機に関し、特に、ブ
ースタの回路構成を簡素化するとともに、受信効率を増
加せしめることが可能な無線機に間する。[Detailed Description of the Invention] [Industrial Application Fields] The present invention is a portable radio device, etc., which can be mounted on an external antenna and connected to a booster (transmission power amplifier) to increase the transmission output. In particular, the present invention relates to a radio device that can simplify the circuit configuration of a booster and increase reception efficiency.
［従来の技術］
一般に、携帯型無線機なとでは、車載時には送信出力を
増幅して使用するため、外部の高周波増幅装置に接続す
ることができるようにしている。[Prior Art] Generally, when a portable radio device is installed in a vehicle, the transmission output is amplified and used, so that it can be connected to an external high-frequency amplification device.
すなわち、送受信共用部のアンテナ端子に出力される送
信波を、高周波増幅装置に接続して送信出力を増加する
ことができる。That is, the transmission output can be increased by connecting the transmission wave output to the antenna terminal of the transmitting/receiving unit to the high frequency amplification device.
第２図は、従来の無線機のブロック図であるゆ同図にお
いて、ｌは携帯型無線機本体であり、その内部には受信
回路２と、受信高周波フィルタ３と、送受信共用部４と
、高周波切換スイッチ５と、送信高周波フィルタ６と、
送信回路７と、内部アンテナ８、および外部アンテナ端
子１９を有している。また、１３はブースタであり、そ
の内部において、１４は送信電力増幅部、１６は増幅器
送受信共用部、１７は外部アンテナ端子、１８は外部ア
ンテナ、２１は送受信共用部、２２は受信高周波増幅部
である。FIG. 2 is a block diagram of a conventional radio device, in which l is a main body of a portable radio device, inside which there is a receiving circuit 2, a receiving high frequency filter 3, a transmitting/receiving common unit 4, A high frequency selector switch 5, a transmission high frequency filter 6,
It has a transmitting circuit 7, an internal antenna 8, and an external antenna terminal 19. Further, 13 is a booster, and inside thereof, 14 is a transmission power amplification section, 16 is an amplifier transmitting/receiving common section, 17 is an external antenna terminal, 18 is an external antenna, 21 is a transmitting/receiving common section, and 22 is a receiving high frequency amplifying section. be.
上記構成において、携帯型無線機本体ｌは、ブースタ１
３を接続して送信出力を増幅する場合、送受信共用部４
のアンテナ端子から出力される送信出力をブースタ１３
の励振入力としている。In the above configuration, the portable radio main body 1 includes a booster 1
3 to amplify the transmission output, the transmitter/receiver common unit 4
The booster 13 transmits the transmission power output from the antenna terminal of
It is used as the excitation input.
そのため、ブースタ１３内では、共用部２１と受信高周
波フィルタ３と送信高周波フィルタ６とで構成される共
用器により、増幅する前に送信波と受信波とを分岐し、
その後、送信波を送信増幅部１４で増幅する。そして、
再び同様な構成の共用器で受信波と合成し、外部アンテ
ナ端子１７へ接続している。Therefore, in the booster 13, the transmitting wave and the receiving wave are branched before being amplified by a duplexer composed of a common unit 21, a receiving high frequency filter 3, and a transmitting high frequency filter 6.
Thereafter, the transmission wave is amplified by the transmission amplification section 14. and,
The received wave is again combined with the received wave by a duplexer having the same configuration, and connected to the external antenna terminal 17.
一方、受信波については、フィルタのロスを補うため、
受信高周波増幅部２２で増幅している。On the other hand, regarding the received wave, in order to compensate for the loss of the filter,
It is amplified by the reception high frequency amplification section 22.
従来の無線機は、以上のような構成となっていた。Conventional wireless devices have the configuration described above.
［解決すべき課題］
上述した従来の無線機では、送信波と受信波について、
ともに二個分の高周波フィルタによるロスが発生するほ
か、受信側のロスを補うために止むを得ず受信高周波増
幅部が必要となっていたため、コストアップと受信性能
劣化が避けられないという課題があった。[Problems to be solved] In the conventional radio equipment described above, regarding the transmitted wave and the received wave,
In addition to the loss caused by the two high-frequency filters, a receiving high-frequency amplification section was unavoidably required to compensate for the loss on the receiving side, resulting in an unavoidable increase in cost and deterioration of reception performance. there were.
本発明は、上記課題にかんがみてなされたもので、ブー
スタの回路構成を簡素化するとともに、受信効率を増加
せしめることが可能な無線機の提供を目的とする。The present invention has been made in view of the above problems, and aims to provide a radio device that can simplify the circuit configuration of a booster and increase reception efficiency.
［課題の解決手段］
上記目的を達成するため、本発明の無線機は、無線機本
体は、送信回路と送信フィルタを有する送信部と、受信
回路と受信フィルタを有する受信部と、内部アンテナと
、上記送信部と受信部でこの内部アンテナを共用して接
続する送受信共用部と、上記送信部と受信部をブースタ
に接続する外部接続端子と、上記送信部と受信部の入出
力を上記送受信共用部に接続するか上記外部接続端子に
接続するか切り換える切換スイッチとを備え、ブースタ
は、上記外部接続端子から出力される送信信号を増幅す
る送信電力増幅部と、ブースタ用送信フィルタと、外部
アンテナを接続するにあたり、受信信号は上記外部接続
端子へ入力せしめ、送信信号は上記ブースタ用送信フィ
ルタを介して上記送信電力増幅部の出力信号とする増幅
器用送受信共用部とを備えた構成としである。[Means for Solving the Problems] In order to achieve the above object, the radio device of the present invention includes a radio device body that includes a transmitting section having a transmitting circuit and a transmitting filter, a receiving section having a receiving circuit and a receiving filter, and an internal antenna. , a transmitter/receiver common unit that connects the transmitter and receiver by sharing this internal antenna; an external connection terminal that connects the transmitter and receiver to the booster; and a transmitter/receiver that connects the transmitter and receiver to the booster. The booster is equipped with a changeover switch for switching whether to connect to the common area or to the external connection terminal, and the booster includes a transmission power amplification section that amplifies the transmission signal output from the external connection terminal, a booster transmission filter, and an external connection terminal. When connecting the antenna, the antenna is configured to include an amplifier transmitting/receiving common section in which the received signal is input to the external connection terminal, and the transmitted signal is outputted from the transmitting power amplification section through the booster transmitting filter. be.
すなわち、無線機本体は、送信フィルタの出力を送受信
共用部の送信入力端子か送信外部接続端子かに切り換え
るスイッチと、受信フィルタの入力を送受信共用部の受
信出力端子か受信外部接続端子かに切り換えるスイッチ
とを有している。In other words, the main unit of the radio has a switch that switches the output of the transmit filter to the transmit input terminal or the transmit external connection terminal of the transmit/receive common section, and a switch that switches the input of the receive filter to the receive output terminal of the transmit/receive common section or the receive external connection terminal. It has a switch.
このような構成とすることにより、無線機本体内の送受
信フィルタが送受信共用器と高周波外部接続端子とに切
り換え接続され、外部に送信増幅器を接続した場合に、
送信増幅器内部の余分な受信用高周波フィルタや受信増
幅部が不必要になる。With this configuration, when the transmitting/receiving filter inside the radio device is switched and connected to the transmitting/receiving duplexer and the high frequency external connection terminal, and the transmitting amplifier is connected externally,
There is no need for an extra receiving high frequency filter or receiving amplifier inside the transmitting amplifier.
［実施例］ 以下、図面にもとづいて本発明の詳細な説明する。[Example] Hereinafter, the present invention will be explained in detail based on the drawings.
第１図は、本発明の一実施例に係る携帯型無線機のブロ
ック図である。なお、従来例と共通または対応する部分
については同一の符号で表す。FIG. 1 is a block diagram of a portable radio device according to an embodiment of the present invention. Note that parts common to or corresponding to those of the conventional example are denoted by the same reference numerals.
同図において、９は受信高周波外部接続端子、１０は送
信高周波外部接続端子、１１は増幅器受信出力端子、１
２は増幅器送信入力端子である。In the figure, 9 is a reception high frequency external connection terminal, 10 is a transmission high frequency external connection terminal, 11 is an amplifier reception output terminal, 1
2 is an amplifier transmission input terminal.
従って、携帯型無線機ｌは、受信回路２と、受信フィル
タ３と、送受信共用部４と、高周波切換スイッチ５と、
送信フィルタ６と、送信回路７と、内部アンテナ８と、
受信外部接続端子９と、送信外部接続端子１０から構成
されている。Therefore, the portable radio device 1 includes a receiving circuit 2, a receiving filter 3, a transmitting/receiving unit 4, a high frequency changeover switch 5,
A transmission filter 6, a transmission circuit 7, an internal antenna 8,
It consists of a reception external connection terminal 9 and a transmission external connection terminal 10.
そして、増幅器受信出力端子１１と増幅器送信入力端子
１２により、送信電力増幅部１４と送信フィルタ１５と
送受信共用部１６で構成されるブースタ１３に接続され
る。The amplifier reception output terminal 11 and the amplifier transmission input terminal 12 are connected to a booster 13 composed of a transmission power amplification section 14 , a transmission filter 15 , and a transmission/reception common section 16 .
上記構成において、通常の携帯型無線機として使用する
場合は、第２図に示すのと同様に高周波切換スイッチ５
が切り換わり、内部アンテナとしての動作になる。In the above configuration, when used as a normal portable radio device, the high frequency selector switch 5 is used as shown in FIG.
The antenna switches to operate as an internal antenna.
一方、車載時などて送信出力を増幅し、外部アンテナ１
日を装着して使用する場合は、ブースタ１３が接続され
、高周波切換スイッチ５は、高周波外部接続端子側に切
り換える。On the other hand, when installed in a vehicle, etc., the transmission output is amplified and the external antenna 1
When the device is used with a sunglasses attached, the booster 13 is connected and the high frequency changeover switch 5 is switched to the high frequency external connection terminal side.
このとき、ブースタ１３の送信入力端子１２に入力され
た送信波は、送信電力増幅部１４に加えられて増幅され
た後、送信フィルタ１５を通過する。そして、送受信共
用部１６で受信波と共用されて外部アンテナ１８へ出力
される。At this time, the transmission wave input to the transmission input terminal 12 of the booster 13 is applied to the transmission power amplification section 14 and amplified, and then passes through the transmission filter 15. Then, it is shared with the received wave by the transmitting/receiving unit 16 and output to the external antenna 18 .
一方、外部アンテナ１８から入力される受信波は、送受
信共用部１６を通過する。そして、直接、携帯型無線機
本体ｌの受信外部接続端子９へ入力され、送信フィルタ
３の入力に接続される。On the other hand, the received wave input from the external antenna 18 passes through the transmitting/receiving unit 16 . The signal is then directly input to the reception external connection terminal 9 of the portable radio main body 1, and connected to the input of the transmission filter 3.
このように本実施例の無線機本体は、受信回路と、高周
波受信フィルタと、送信回路と、高周波送信フィルタと
、アンテナ端子を含む送受信共用部と、第１の高周波外
部接続端子と、第２の高周波外部接続端子と、上記高周
波受信フィルタの入力を上記送受信共用部の受信出力端
子に接続するか上記第１の高周波外部接続端子に接続す
るかを切り換える第１のスイッチと、上記高周波送信フ
ィルタの出力を上記送受信共用部の送信入力端子に接続
するか上記第２の高周波外部接続端子に接続するか切り
換える第２のスイッチとを有している。As described above, the main body of the radio device of this embodiment includes a receiving circuit, a high frequency receiving filter, a transmitting circuit, a high frequency transmitting filter, a transmitting/receiving common section including an antenna terminal, a first high frequency external connection terminal, and a second high frequency external connection terminal. a high frequency external connection terminal, a first switch for switching between connecting the input of the high frequency reception filter to the reception output terminal of the transmission/reception common section or to the first high frequency external connection terminal, and the high frequency transmission filter. and a second switch for switching whether to connect the output of the transmitter/receiver to the transmitting input terminal of the transmitting/receiving common section or to the second high frequency external connection terminal.
［発明の効果］
以上説明したように本発明は、コストの低減、受信性能
劣化防止、および回路構成のシンプル化を達成すること
が可能な無線機を提供できるという効果がある。[Effects of the Invention] As explained above, the present invention has the advantage of being able to provide a radio device that can reduce costs, prevent deterioration of reception performance, and simplify circuit configuration.
第１図は本発明の一実施例に係る無線機のブロック図、
第２図は従来の無線機のブロック図である。
１０ ：
ｌ ｌ ：
ｌ ２ ：
１３ ：
１５ ＝
１６：
１７：
送信高周波外部接続端子
増幅器受信出力端子
増幅器送信入力端子
ブースタ １４＝送信電力増幅部増幅器送信フ
ィルタ
増幅器送受信共用部FIG. 1 is a block diagram of a radio device according to an embodiment of the present invention,
FIG. 2 is a block diagram of a conventional radio device. 10: l l: l 2: 13: 15 = 16: 17: Transmission high frequency external connection terminal amplifier reception output terminal amplifier transmission input terminal booster 14 = Transmission power amplifier section amplifier transmission filter amplifier transmission/reception common section
Claims (1)
と、受信回路と受信フィルタを有する受信部と、内部ア
ンテナと、上記送信部と受信部でこの内部アンテナを共
用して接続する送受信共用部と、上記送信部と受信部を
ブースタに接続する外部接続端子と、上記送信部と受信
部の入出力を上記送受信共用部に接続するか上記外部接
続端子に接続するか切り換える切換スイッチとを具備し
、ブースタは、上記外部接続端子から出力される送信信
号を増幅する送信電力増幅部と、ブースタ用送信フィル
タと、外部アンテナを接続するにあたり、受信信号は上
記外部接続端子へ入力せしめ、送信信号は上記ブースタ
用送信フィルタを介して上記送信電力増幅部の出力信号
とする増幅器用送受信共用部とを具備することを特徴と
する無線機。The main body of the radio includes a transmitting section having a transmitting circuit and a transmitting filter, a receiving section having a receiving circuit and a receiving filter, an internal antenna, and a transmitting/receiving common section that connects the transmitting section and the receiving section by sharing the internal antenna. and an external connection terminal for connecting the transmitting section and the receiving section to the booster, and a changeover switch for switching between connecting the input and output of the transmitting section and the receiving section to the transmitting/receiving common section or to the external connecting terminal. However, when the booster connects the transmission power amplifying section that amplifies the transmission signal output from the external connection terminal, the booster transmission filter, and the external antenna, the received signal is input to the external connection terminal, and the transmission signal is A radio device comprising: an amplifier transmitting/receiving unit that outputs an output signal of the transmitting power amplifying unit via the booster transmitting filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63257051A JPH0624322B2 (en) | 1988-10-14 | 1988-10-14 | wireless device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63257051A JPH0624322B2 (en) | 1988-10-14 | 1988-10-14 | wireless device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02105636A true JPH02105636A (en) | 1990-04-18 |
| JPH0624322B2 JPH0624322B2 (en) | 1994-03-30 |
Family
ID=17301056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63257051A Expired - Lifetime JPH0624322B2 (en) | 1988-10-14 | 1988-10-14 | wireless device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624322B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04306922A (en) * | 1991-04-04 | 1992-10-29 | Nec Corp | Radio equipment for common use in microwave band transmission and reception |
| JPH0746151A (en) * | 1993-07-29 | 1995-02-14 | Nec Corp | Transmitter-receiver |
| JPH07162560A (en) * | 1993-12-13 | 1995-06-23 | Nec Corp | Portable public telephone set |
| WO1997013320A1 (en) * | 1995-09-29 | 1997-04-10 | Matsushita Electric Industrial Co., Ltd. | Power amplifier and communication device |
-
1988
- 1988-10-14 JP JP63257051A patent/JPH0624322B2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04306922A (en) * | 1991-04-04 | 1992-10-29 | Nec Corp | Radio equipment for common use in microwave band transmission and reception |
| JPH0746151A (en) * | 1993-07-29 | 1995-02-14 | Nec Corp | Transmitter-receiver |
| JPH07162560A (en) * | 1993-12-13 | 1995-06-23 | Nec Corp | Portable public telephone set |
| WO1997013320A1 (en) * | 1995-09-29 | 1997-04-10 | Matsushita Electric Industrial Co., Ltd. | Power amplifier and communication device |
| US6111459A (en) * | 1995-09-29 | 2000-08-29 | Matsushita Electric Industrial Co., Ltd. | Multi mode power amplifier and communication unit |
| US6313700B1 (en) | 1995-09-29 | 2001-11-06 | Matsushita Electric Industrial Co., Ltd. | Power amplifier and communication unit |
| US6489843B1 (en) | 1995-09-29 | 2002-12-03 | Matsushita Electric Industrial Co., Ltd. | Power amplifier and communication unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0624322B2 (en) | 1994-03-30 |
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