JPS633242Y2 - - Google Patents
Info
- Publication number
- JPS633242Y2 JPS633242Y2 JP1982109050U JP10905082U JPS633242Y2 JP S633242 Y2 JPS633242 Y2 JP S633242Y2 JP 1982109050 U JP1982109050 U JP 1982109050U JP 10905082 U JP10905082 U JP 10905082U JP S633242 Y2 JPS633242 Y2 JP S633242Y2
- Authority
- JP
- Japan
- Prior art keywords
- band
- antenna
- amateur
- receiving
- bands
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Transceivers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
【考案の詳細な説明】
この考案はアマチユア無線帯用送受信機の受信
部のみをゼネラルカバレージとしたものにおい
て、アンテナの切換回路に関するものである。[Detailed Description of the Invention] This invention relates to an antenna switching circuit in an amateur radio band transmitter/receiver in which only the receiving section has general coverage.
近来のアマチユア無線帯用送受信機では受信部
のみをゼネラルカバレージとしたものが少くな
い。これは高周波同調部が帯域フイルタ構成とな
つて、全帯域のカバーが容易であること。局部発
振器がPLL構成で、周波数がデジタル表示であ
るため、バンドの増設が容易になつたためであ
る。ただし、アマチユア帯以外の周波数帯で送信
することは電波法違反となるので、アマチユア帯
以外での送信を禁止するため、バンドスイツチと
連動で送信回路の電源電圧を切つたり、ミユート
バイアスを加えたりすることにより、受信はゼネ
ラルカバレージでも送信はアマチユア帯に限定さ
れるように構成している。 Many recent amateur wireless band transmitters and receivers have general coverage only in the receiving section. This is because the high frequency tuning section has a band filter configuration, making it easy to cover the entire band. This is because the local oscillator has a PLL configuration and the frequency is displayed digitally, making it easier to add more bands. However, it is a violation of the Radio Law to transmit in a frequency band other than the amateur band, so in order to prohibit transmission in frequencies other than the amateur band, the power supply voltage of the transmitting circuit is cut off in conjunction with a band switch, or a miute bias is applied. By doing so, the configuration is such that even if reception is general coverage, transmission is limited to the amateur band.
これに使用するアンテナは短波帯では主に半波
長ダブレツト形が用いられ、VHF帯とこれに近
いバンドでは多素子八木の如き高利得の指向性ア
ンテナが用いられている。これは受信用としても
好ましいが、特に送信用には不整合による電力損
失を減らし、送信機電力を有効に輻射するために
重要である。ただし、これ等の同調アンテナは適
応周波数範囲が狭いので、他のバンドでは非同調
アンテナより劣ることが多いものである。 The antennas used for this purpose are mainly half-wavelength doublet antennas in the shortwave band, and high-gain directional antennas such as multi-element Yagi antennas are used in the VHF band and nearby bands. Although this is preferable for reception, it is particularly important for transmission to reduce power loss due to mismatch and effectively radiate transmitter power. However, since these tuned antennas have a narrow applicable frequency range, they are often inferior to non-tuned antennas in other bands.
一般の短波受信時の対象となる短波放送局は大
電力であり、伝搬に都合のよい時間帯に受信する
のが普通であるから、電界強度は非同調アンテナ
（いわゆるロングアンテナ等）で受信するのに十
分であり、これはバンドによる感度差が少ない利
点がある。 The shortwave broadcasting stations that are the target of general shortwave reception have high power and are usually received at times that are convenient for propagation, so the field strength is received using a non-tuned antenna (a so-called long antenna, etc.) This has the advantage that there is little difference in sensitivity between bands.
図は本考案の送受信機の主にアンテナ接続部分
を示す系統図で、送信出力部１と受信入力部２と
は送−受転換器３を通り、Ｔ−Ｒアンテナ端子４
で、使用バンドに整合したアンテナ５に接続され
る。また受信入力部２と送−受転換器３との間に
受信アンテナ転換器６を設け、アマチユア帯以外
の受信時に受信入力部２を受信アンテナ端子１０
に切換えるよう動作する。端子１０にはロングワ
イア等の非同調アンテナ１１を接続して使用す
る。 The figure is a system diagram mainly showing the antenna connection part of the transmitter/receiver of the present invention.
Then, it is connected to an antenna 5 that matches the band used. Further, a receiving antenna converter 6 is provided between the receiving input section 2 and the transmission/receiving converter 3, and the receiving input section 2 is connected to the receiving antenna terminal 10 when receiving a band other than the amateur band.
It operates to switch to. A non-tuned antenna 11 such as a long wire is connected to the terminal 10 for use.
転換器６はリレー７により駆動され、リレード
ライバ８の動作は、バンド切換と連動で制御され
る。具体的には例えば送信禁止信号が発生してい
る場合には転換器６を受信アンテナ側に接続する
ように動作させることで行える。 The converter 6 is driven by a relay 7, and the operation of the relay driver 8 is controlled in conjunction with band switching. Specifically, for example, when a transmission prohibition signal is generated, this can be done by operating the converter 6 to connect it to the receiving antenna side.
以上に述べたように、この考案によれば、アマ
チユア無線帯用送受信機の受信部のみをゼネラル
カバレージとしたものにおいて、受信アンテナ端
子に任意の非同調アンテナを接続しておくことに
より、広範囲の周波帯にわたつて、特にアンテナ
に気を使うことなく受信ができる便宜が得られる
ものである。 As described above, according to this invention, when only the receiving section of an amateur wireless band transmitter/receiver has general coverage, by connecting an arbitrary non-tuned antenna to the receiving antenna terminal, it is possible to cover a wide range. This provides the convenience of being able to receive data over a wide range of frequency bands without having to worry about antennas.
図は本考案の送受信機の主にアンテナ接続部分
を示す系統図である。
１……送信出力部、２……受信入力部、３，６
……転換器、４，１０……アンテナ端子、７……
リレー、８……リレードライバ。
The figure is a system diagram mainly showing the antenna connection part of the transceiver of the present invention. 1... Transmission output section, 2... Reception input section, 3, 6
...Converter, 4,10...Antenna terminal, 7...
Relay, 8...Relay driver.
Claims (1)
ラルカバレージとしたものにおいて、アマチユア
無線帯での使用時には同調アンテナに接続する構
成であり、また非アマチユア無線帯での使用時に
は送信禁止回路の情報により非同調アンテナに接
続するように切換えることを特徴とする送受信機
の回路。 For amateur radio band transceivers with general coverage only for the receiving section, when used in amateur radio bands, it is configured to connect to a tuned antenna, and when used in non-amateur radio bands, it is detuned by information on the transmission prohibition circuit. A transceiver circuit characterized in that it switches to connect to an antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982109050U JPS5914436U (en) | 1982-07-19 | 1982-07-19 | Transmitter/receiver circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982109050U JPS5914436U (en) | 1982-07-19 | 1982-07-19 | Transmitter/receiver circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5914436U JPS5914436U (en) | 1984-01-28 |
| JPS633242Y2 true JPS633242Y2 (en) | 1988-01-27 |
Family
ID=30254180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982109050U Granted JPS5914436U (en) | 1982-07-19 | 1982-07-19 | Transmitter/receiver circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5914436U (en) |
-
1982
- 1982-07-19 JP JP1982109050U patent/JPS5914436U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5914436U (en) | 1984-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1329640C (en) | Outdoor unit low noise converter for satellite broadcast reception use | |
| US8391820B2 (en) | Common mixer methods and circuits in mobile communication devices | |
| JP3048076B2 (en) | Mobile radio telephone | |
| CA2475849A1 (en) | Radio communication method and system for communication between a plurality of radio communication terminals | |
| EP1865611A2 (en) | Vehicle telematics satellite data transceiver utilizing FM radio circuitry | |
| JPS633242Y2 (en) | ||
| JPH03108903A (en) | Wideband loop antenna | |
| JPH0642638B2 (en) | Wireless communication device | |
| WO1990001814A1 (en) | Active antenna | |
| JPS61281724A (en) | Portable radio equipment | |
| JPS6143324Y2 (en) | ||
| JPS6221417B2 (en) | ||
| JP2001024545A (en) | ASK modem radio | |
| JPS6226933A (en) | Television tuner | |
| JPS6033654Y2 (en) | Television receiver with radio receiver | |
| JP3452830B2 (en) | Satellite signal transmission system and block converter | |
| JP2592661B2 (en) | Microwave receiver | |
| JPS63129308U (en) | ||
| JPH11122128A (en) | Wireless communication and broadcasting equipment | |
| JP2636444B2 (en) | Antenna device for mobile communication | |
| JP2583708Y2 (en) | High frequency mobile radio transceiver | |
| JPS632502B2 (en) | ||
| JPS617733A (en) | Receiving device | |
| JPS5825984B2 (en) | Micro-Hatouchi | |
| JPH0565138U (en) | High frequency mobile radio transceiver |