JPH0165502U - - Google Patents
Info
- Publication number
- JPH0165502U JPH0165502U JP1987159919U JP15991987U JPH0165502U JP H0165502 U JPH0165502 U JP H0165502U JP 1987159919 U JP1987159919 U JP 1987159919U JP 15991987 U JP15991987 U JP 15991987U JP H0165502 U JPH0165502 U JP H0165502U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- band
- distributed constant
- constant line
- microwave
- 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
- 238000003379 elimination reaction Methods 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案の一実施例の構成図、第２図は
従来の構成図、第３図は本考案と従来例を比較し
た減衰量特性図、第４図は本考案の一具体例の平
面構成図である。
１……帯域通過濾波器、２……帯域阻止濾波器
、３……アイソレータ、４……分布定数線路、１
１……帯域通過濾波器、１２……帯域阻止濾波器
、１４……分布定数線路、Ｐ，Ｑ……等価開放点
。
Fig. 1 is a block diagram of an embodiment of the present invention, Fig. 2 is a conventional block diagram, Fig. 3 is an attenuation characteristic diagram comparing the present invention and a conventional example, and Fig. 4 is a specific example of the present invention. FIG. 1...bandpass filter, 2...bandstop filter, 3...isolator, 4...distributed constant line, 1
1...Bandpass filter, 12...Band rejection filter, 14...Distributed constant line, P, Q...Equivalent open point.
Claims (1)
数線路にて接続したマイクロ波濾波装置において
、前記分布定数線路から見込んだ前記帯域通過濾
波器と帯域阻止濾波器の夫々の等価開放点の間の
電気長を、前記帯域通過濾波器の阻止周波数で決
まる波長の（２ｎ＋１）／４倍（ｎは整数）に設
定したことを特徴とするマイクロ波濾波装置。 In a microwave filter device in which a band-pass filter and a band-elimination filter are connected by a distributed constant line, between the respective equivalent open points of the band-pass filter and the band-elimination filter as seen from the distributed constant line. A microwave filtering device characterized in that the electrical length of the bandpass filter is set to (2n+1)/4 times (n is an integer) the wavelength determined by the stop frequency of the bandpass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159919U JPH0165502U (en) | 1987-10-21 | 1987-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159919U JPH0165502U (en) | 1987-10-21 | 1987-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165502U true JPH0165502U (en) | 1989-04-26 |
Family
ID=31441546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987159919U Pending JPH0165502U (en) | 1987-10-21 | 1987-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165502U (en) |
-
1987
- 1987-10-21 JP JP1987159919U patent/JPH0165502U/ja active Pending
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