JPH0446710U - - Google Patents
Info
- Publication number
- JPH0446710U JPH0446710U JP8748690U JP8748690U JPH0446710U JP H0446710 U JPH0446710 U JP H0446710U JP 8748690 U JP8748690 U JP 8748690U JP 8748690 U JP8748690 U JP 8748690U JP H0446710 U JPH0446710 U JP H0446710U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- microwave
- microstrip line
- series feedback
- feedback circuit
- 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
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Microwave Amplifiers (AREA)
- Amplifiers (AREA)
Description
第１図は本考案の一実施例を示す説明図、第２
図は本考案によつて発振の発生を防止できる動作
を示す説明図、第３図は従来のこの種マイクロ波
増幅器において発振の発生を防止するために採ら
れてきた構造の一例を示す説明図である。
１……入力端子、２……出力端子、３……ＦＥ
Ｔ、４……コンデンサ、５……スルホール、６…
…直列帰還回路、７……整合回路、８……バイア
ス印加端子、９……チヨーク回路、１０……電波
吸収体、１１……基盤。なお図中同一符号は同一
または相当するものを示す。
Fig. 1 is an explanatory diagram showing one embodiment of the present invention;
The figure is an explanatory diagram showing an operation that can prevent the occurrence of oscillation by the present invention, and Fig. 3 is an explanatory diagram showing an example of a structure that has been adopted to prevent the occurrence of oscillation in a conventional microwave amplifier of this type. It is. 1...Input terminal, 2...Output terminal, 3...FE
T, 4...Capacitor, 5...Through hole, 6...
...Series feedback circuit, 7...Matching circuit, 8...Bias application terminal, 9...Chiyoke circuit, 10...Radio wave absorber, 11...Base. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
ンによる回路で構成されたマイクロ波増幅器にお
いて、 使用周波数帯域の広帯域化を図るために設けた
マイクロストリツプラインによる直列帰還回路が
ある周波数において完全なオープンとなり発振が
発生するのを防止するため、上記直列帰還回路上
に電波吸収体を配置したことを特徴とするマイク
ロ波増幅回路。[Claim for Utility Model Registration] In a microwave amplifier composed of a microwave amplifying element and a microstrip line circuit, there is a series feedback circuit using a microstrip line provided in order to widen the frequency band used. A microwave amplification circuit characterized in that a radio wave absorber is disposed on the series feedback circuit to prevent oscillation from occurring due to complete open circuit at the frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8748690U JPH0446710U (en) | 1990-08-23 | 1990-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8748690U JPH0446710U (en) | 1990-08-23 | 1990-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0446710U true JPH0446710U (en) | 1992-04-21 |
Family
ID=31819866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8748690U Pending JPH0446710U (en) | 1990-08-23 | 1990-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0446710U (en) |
-
1990
- 1990-08-23 JP JP8748690U patent/JPH0446710U/ja active Pending
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