JPH0480141U - - Google Patents
Info
- Publication number
- JPH0480141U JPH0480141U JP1990123383U JP12338390U JPH0480141U JP H0480141 U JPH0480141 U JP H0480141U JP 1990123383 U JP1990123383 U JP 1990123383U JP 12338390 U JP12338390 U JP 12338390U JP H0480141 U JPH0480141 U JP H0480141U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- receiving
- transmitting
- local signal
- frequency converter
- 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.)
- Pending
Links
- 238000006243 chemical reaction Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Transceivers (AREA)
- Transmitters (AREA)
Description
第１図はこの考案の一実施例による周波数変換
装置の構成図、第２図はこの考案の他の実施例を
示す周波数変換装置の構成図、第３図は従来の周
波数変換装置を示す構成図である。
１は送信周波数変換器、２は受信周波数変換器
、９は送信局部信号発生器、１０は混合器、１７
は第１混合器、１９は受信第２局部信号発生器、
２０は第２混合器、２３は分配器を示す。なお、
図中、同一符号は同一、または相当部分を示す。
FIG. 1 is a block diagram of a frequency converter according to an embodiment of this invention, FIG. 2 is a block diagram of a frequency converter according to another embodiment of this invention, and FIG. 3 is a configuration diagram of a conventional frequency converter. It is a diagram. 1 is a transmitting frequency converter, 2 is a receiving frequency converter, 9 is a transmitting local signal generator, 10 is a mixer, 17
is a first mixer, 19 is a receiving second local signal generator,
20 is a second mixer, and 23 is a distributor. In addition,
In the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
信周波数変換器と受信２重形周波数変換器とを有
し、送信周波数と受信周波数との周波数間隔を一
定に保持する周波数変換装置において、受信周波
数変換器の第２混合器へ送信周波数と受信周波数
との周波数間隔にあたる周波数を印加する受信第
２局部信号発生器と、送信周波数変換器において
シンセサイザにより所定の周波数に変更された局
部信号を発生し、この局部信号を分配器をとおし
て送信周波数変換器の混合器及び受信周波数変換
器の第１混合器へ印加する送信局部信号発生器と
を有する構成を特徴とする周波数変換装置。 In a frequency conversion device that has a single conversion type transmitting frequency converter and a receiving double frequency converter and maintains a constant frequency interval between the transmitting frequency and the receiving frequency, the receiving frequency converter A second receiving local signal generator applies a frequency corresponding to the frequency interval between the transmitting frequency and the receiving frequency to the second mixer, and a transmitting frequency converter generates a local signal changed to a predetermined frequency by a synthesizer. 1. A frequency conversion device comprising a transmitting local signal generator that applies a local signal to a mixer of a transmitting frequency converter and a first mixer of a receiving frequency converter through a distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990123383U JPH0480141U (en) | 1990-11-22 | 1990-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990123383U JPH0480141U (en) | 1990-11-22 | 1990-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480141U true JPH0480141U (en) | 1992-07-13 |
Family
ID=31871093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990123383U Pending JPH0480141U (en) | 1990-11-22 | 1990-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480141U (en) |
-
1990
- 1990-11-22 JP JP1990123383U patent/JPH0480141U/ja active Pending