JPH0284406U - - Google Patents
Info
- Publication number
- JPH0284406U JPH0284406U JP16379688U JP16379688U JPH0284406U JP H0284406 U JPH0284406 U JP H0284406U JP 16379688 U JP16379688 U JP 16379688U JP 16379688 U JP16379688 U JP 16379688U JP H0284406 U JPH0284406 U JP H0284406U
- Authority
- JP
- Japan
- Prior art keywords
- circulator
- connection
- duplexer
- phase adjustment
- filter
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図および第２図は、それぞれ、この考案の
実施例に係る共用器を示すブロツク図である。第
３図は、サーキユレータのアイソレーシヨン、リ
ターンロスの特性の一例を示す図である。第４図
および第５図は、それぞれ、位相調整回路の例を
示す回路図である。第６図は、従来の共用器を示
すブロツク図である。
１，２……フイルタ、３……サーキユレータ、
４……共通端子、７，８……位相調整回路。
FIGS. 1 and 2 are block diagrams showing a duplexer according to an embodiment of this invention, respectively. FIG. 3 is a diagram showing an example of characteristics of isolation and return loss of a circulator. FIG. 4 and FIG. 5 are circuit diagrams showing examples of phase adjustment circuits, respectively. FIG. 6 is a block diagram showing a conventional duplexer. 1, 2...filter, 3...circulator,
4... Common terminal, 7, 8... Phase adjustment circuit.
Claims (1)
サーキユレータを設けた構成の共用器において、
少なくとも一方のフイルタとサーキユレータとの
接続部に位相調整回路を設けたことを特徴とする
共用器。 In a duplexer configured with a circulator installed at the connection between one common terminal and two filters,
A duplexer characterized in that a phase adjustment circuit is provided at a connection between at least one filter and a circulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16379688U JPH0284406U (en) | 1988-12-17 | 1988-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16379688U JPH0284406U (en) | 1988-12-17 | 1988-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0284406U true JPH0284406U (en) | 1990-06-29 |
Family
ID=31448841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16379688U Pending JPH0284406U (en) | 1988-12-17 | 1988-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0284406U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5624815A (en) * | 1979-08-07 | 1981-03-10 | Hitachi Metals Ltd | Broad-band lumped constant type circulator and isolator |
| JPS62239701A (en) * | 1986-04-12 | 1987-10-20 | Tdk Corp | Method and device for phase adjustment of dielectric filter |
-
1988
- 1988-12-17 JP JP16379688U patent/JPH0284406U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5624815A (en) * | 1979-08-07 | 1981-03-10 | Hitachi Metals Ltd | Broad-band lumped constant type circulator and isolator |
| JPS62239701A (en) * | 1986-04-12 | 1987-10-20 | Tdk Corp | Method and device for phase adjustment of dielectric filter |