JPH0235520U - - Google Patents
Info
- Publication number
- JPH0235520U JPH0235520U JP11176288U JP11176288U JPH0235520U JP H0235520 U JPH0235520 U JP H0235520U JP 11176288 U JP11176288 U JP 11176288U JP 11176288 U JP11176288 U JP 11176288U JP H0235520 U JPH0235520 U JP H0235520U
- Authority
- JP
- Japan
- Prior art keywords
- level
- amplifier
- input signal
- output
- attenuating
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案の増幅器の一実施例を示す概念
図、第２図は第１図の実施例の入力信号のレベル
と出力信号のレベルとの関係を示す特性図、第３
図は増幅器の従来例を示す概念図、第４図は第３
図の従来例の入力信号のレベルと出力信号のレベ
ルとの関係を示す特性図である。
１…増幅器、２…レベル検出器、３…減衰器。
FIG. 1 is a conceptual diagram showing an embodiment of the amplifier of the present invention, FIG. 2 is a characteristic diagram showing the relationship between the input signal level and the output signal level of the embodiment of FIG. 1, and FIG.
The figure is a conceptual diagram showing a conventional example of an amplifier.
FIG. 3 is a characteristic diagram showing the relationship between the level of an input signal and the level of an output signal in the conventional example shown in the figure. 1...Amplifier, 2...Level detector, 3...Attenuator.
Claims (1)
定になるように自動利得制御されている増幅器に
おいて、 入力信号が第１のレベルより高い第２のレベル
以下であることを検出するレベル検出器と、 前記増幅器の出力端に配設された減衰器と、 入力信号が第２のレベル以下であることをレベ
ル検出器が検出しているときは、減衰器に前記増
幅器の出力を減衰させる制御手段とを有すること
を特徴とする増幅器。[Claims for Utility Model Registration] In an amplifier whose gain is automatically controlled so that the output becomes constant when the input signal exceeds a first level, the input signal is below a second level higher than the first level. a level detector that detects that the input signal is lower than a second level; and an attenuator disposed at the output end of the amplifier; An amplifier characterized in that it has a control means for attenuating the output of the amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11176288U JPH0235520U (en) | 1988-08-25 | 1988-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11176288U JPH0235520U (en) | 1988-08-25 | 1988-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0235520U true JPH0235520U (en) | 1990-03-07 |
Family
ID=31350099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11176288U Pending JPH0235520U (en) | 1988-08-25 | 1988-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235520U (en) |
-
1988
- 1988-08-25 JP JP11176288U patent/JPH0235520U/ja active Pending