JPH03103616U - - Google Patents
Info
- Publication number
- JPH03103616U JPH03103616U JP1088290U JP1088290U JPH03103616U JP H03103616 U JPH03103616 U JP H03103616U JP 1088290 U JP1088290 U JP 1088290U JP 1088290 U JP1088290 U JP 1088290U JP H03103616 U JPH03103616 U JP H03103616U
- Authority
- JP
- Japan
- Prior art keywords
- power amplifier
- output
- abnormality
- detection means
- abnormality detection
- 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
- 230000005856 abnormality Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案の一実施例を示すものであつて
、自動利得調整装置の構成を示すブロツク図であ
る。第２図は従来例を示すものであつて、パワー
アンプに設けられる保護装置の構成を示すブロツ
ク図である。
５は利得可変手段、６は過電流検出回路（出力
異常検知手段）、７は過熱検出回路（出力異常検
知手段）である。
FIG. 1 shows one embodiment of the present invention, and is a block diagram showing the configuration of an automatic gain adjustment device. FIG. 2 shows a conventional example, and is a block diagram showing the configuration of a protection device provided in a power amplifier. 5 is a gain variable means, 6 is an overcurrent detection circuit (output abnormality detection means), and 7 is an overheat detection circuit (output abnormality detection means).
Claims (1)
知手段と、出力異常検知手段によりパワーアンプ
の出力異常が検知されるとパワーアンプの利得を
低下させる利得可変手段とを備えていることを特
徴とするパワーアンプの自動利得調整装置。 A power amplifier comprising: an output abnormality detection means for detecting an abnormality in the output of the power amplifier; and a gain variable means for reducing the gain of the power amplifier when the output abnormality detection means detects an abnormality in the output of the power amplifier. Amplifier automatic gain adjustment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1088290U JPH03103616U (en) | 1990-02-06 | 1990-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1088290U JPH03103616U (en) | 1990-02-06 | 1990-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03103616U true JPH03103616U (en) | 1991-10-28 |
Family
ID=31514431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1088290U Pending JPH03103616U (en) | 1990-02-06 | 1990-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03103616U (en) |
-
1990
- 1990-02-06 JP JP1088290U patent/JPH03103616U/ja active Pending