JPS6090917U - Amplifier switching circuit - Google Patents
Amplifier switching circuitInfo
- Publication number
- JPS6090917U JPS6090917U JP18348583U JP18348583U JPS6090917U JP S6090917 U JPS6090917 U JP S6090917U JP 18348583 U JP18348583 U JP 18348583U JP 18348583 U JP18348583 U JP 18348583U JP S6090917 U JPS6090917 U JP S6090917U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- amplifier
- transformer
- input
- hybrid transformer
- 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
Landscapes
- Amplifiers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例に係る増幅器切替回路の回路図、第２図
は本考案に係る増幅器切替回路の原理を説明するための
ハイブリッドトランス回路、第３図は本考案の実施例に
係る増幅器切替回路の回路図、第４図は本考案の別の実
施例に係る増幅器切替回路の回路図である。
Ａ１・・・・・・現用増幅器、Ａ２・・・・・・補助増
幅器、Ｒ１，Ｒ１′・・・・・・伝送路インピーダンス
、Ｒ２・・・・・・現用増幅器または補助増幅器の入力
インピーダンス、Ｒ／２・・・・・・現用増幅器または
補助増幅器の出力インピーダンス、ＲＢ、Ｒｃ、ＲＤ、
Ｒ３，Ｒ４・・・・・・終端抵抗器、ｎｌ、 ｎ□′・
・・・・・−次側巻線数、ｒｖ ｒ１２’・・・・・・
二次側巻線数、ｎ３９ ｎ３’・・・・・・三次側巻線
数、Ｔ１・・・・・・入力側ハイブリッドトランス、Ｔ
２・・・・・・出力側ハイブリッドトランス、Ｔ３．Ｔ
、・・・・・・マツチングトランス。
第１図
第２図Fig. 1 is a circuit diagram of an amplifier switching circuit according to a conventional example, Fig. 2 is a hybrid transformer circuit for explaining the principle of an amplifier switching circuit according to the present invention, and Fig. 3 is an amplifier switching circuit according to an embodiment of the present invention. Circuit Diagram FIG. 4 is a circuit diagram of an amplifier switching circuit according to another embodiment of the present invention. A1... Working amplifier, A2... Auxiliary amplifier, R1, R1'... Transmission line impedance, R2... Input impedance of the working amplifier or auxiliary amplifier. R/2...Output impedance of the working amplifier or auxiliary amplifier, RB, Rc, RD,
R3, R4...Terminal resistor, nl, n□'・
・・・・・・−Next winding number, rv r12'・・・・・・
Number of secondary windings, n39 n3'...Number of tertiary windings, T1...Input side hybrid transformer, T
2... Output side hybrid transformer, T3. T
,...Matching transformer. Figure 1 Figure 2
Claims (1)
替を無瞬断により行うことを可能とする増幅器切替回路
において、 前記現用増幅器の入力端子を入力側ハイブリッドトラン
スの２次巻線端子に接続するとともに前記現用増幅器の
出力端子を出力側ハイブリッドトランスの２次巻線端子
に接続し、 前記補助増幅器の入力端子を第１のインピーダンスマツ
チングトランスを介して前記入力側ハイブリッドトラン
スの中間タップ端子に接続するとともに前記補助増幅器
の出力端子を前記出力側ノ１イブリッドトランスの３次
巻線端子に第２のインピーダンスマツチングトランスを
介して接続するか、または前記補助増幅器の入力端子を
前記入力側ハイブリッドトランスの３次巻線端子に第１
のインピーダンスマツチングトランスを介して接続する
とともに前記補助増幅器の出力端子を前記出力側ハイブ
リッドトランスの中間タップ端子に第２のインピーダン
スマツチングを介して接続し、前記補助増幅器の入力端
子を第１のインピーダンスマツチングトランスを介して
前記入力側ノ１イブリッドトランスの中間タップ端子に
接続するとき前記入力側ハイブリッドトランスの３次巻
線端子を抵抗器により終端するとともに前記出力側ハイ
ブリッドトランスの中間タップ端子を抵抗器により終端
し、前記補助増幅器の入力端子を第１のインピーダンス
マツチングトランスを介して前記入力側ハイブリッドト
ランスの３次巻線端子に接続するとき前記入力側ハイブ
リッドトランスの中間タップ端子を抵抗器により終端す
るとともに前記出力側ハイブリッドトランスの３次巻線
端子を抵抗器により終端することを特徴とする増幅器切
替回路。[Scope of Claim for Utility Model Registration] In an amplifier switching circuit having an auxiliary amplifier and capable of replacing a working amplifier and a standby auxiliary amplifier without interruption, the input terminal of the working amplifier is connected to an input side hybrid circuit. The output terminal of the working amplifier is connected to the secondary winding terminal of the output hybrid transformer, and the input terminal of the auxiliary amplifier is connected to the secondary winding terminal of the auxiliary amplifier through the first impedance matching transformer. the output terminal of the auxiliary amplifier is connected to the tertiary winding terminal of the output side hybrid transformer via a second impedance matching transformer; The first input terminal of the amplifier is connected to the tertiary winding terminal of the input side hybrid transformer.
The output terminal of the auxiliary amplifier is connected to the intermediate tap terminal of the output side hybrid transformer via a second impedance matching transformer, and the input terminal of the auxiliary amplifier is connected to the first impedance matching transformer. When connecting to the intermediate tap terminal of the first hybrid transformer on the input side via an impedance matching transformer, the tertiary winding terminal of the input hybrid transformer is terminated with a resistor, and the intermediate tap terminal of the output hybrid transformer is connected to the intermediate tap terminal of the hybrid transformer on the output side. When the input terminal of the auxiliary amplifier is connected to the tertiary winding terminal of the input hybrid transformer via the first impedance matching transformer, the intermediate tap terminal of the input hybrid transformer is connected to the resistor. An amplifier switching circuit characterized in that the tertiary winding terminal of the output side hybrid transformer is terminated by a resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18348583U JPS6090917U (en) | 1983-11-28 | 1983-11-28 | Amplifier switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18348583U JPS6090917U (en) | 1983-11-28 | 1983-11-28 | Amplifier switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6090917U true JPS6090917U (en) | 1985-06-21 |
Family
ID=30397093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18348583U Pending JPS6090917U (en) | 1983-11-28 | 1983-11-28 | Amplifier switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6090917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08256027A (en) * | 1995-01-13 | 1996-10-01 | Tektronix Inc | Device and method for amplifying and insulating separative route |
-
1983
- 1983-11-28 JP JP18348583U patent/JPS6090917U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08256027A (en) * | 1995-01-13 | 1996-10-01 | Tektronix Inc | Device and method for amplifying and insulating separative route |
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