JPS53131741A - Protective circuit for power amplifier - Google Patents
Protective circuit for power amplifierInfo
- Publication number
- JPS53131741A JPS53131741A JP4644777A JP4644777A JPS53131741A JP S53131741 A JPS53131741 A JP S53131741A JP 4644777 A JP4644777 A JP 4644777A JP 4644777 A JP4644777 A JP 4644777A JP S53131741 A JPS53131741 A JP S53131741A
- Authority
- JP
- Japan
- Prior art keywords
- power amplifier
- protective circuit
- output step
- amplifier
- cutting
- 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
PURPOSE: To ensure protection of the amplifier from a load short trouble and even under the worst condition by holding the intermediate potential of the output step at the supply voltage or at the level near the earth potential in case the overcurrent occurs at the output step and also cutting off the input signal.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4644777A JPS53131741A (en) | 1977-04-22 | 1977-04-22 | Protective circuit for power amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4644777A JPS53131741A (en) | 1977-04-22 | 1977-04-22 | Protective circuit for power amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53131741A true JPS53131741A (en) | 1978-11-16 |
Family
ID=12747404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4644777A Pending JPS53131741A (en) | 1977-04-22 | 1977-04-22 | Protective circuit for power amplifier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53131741A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63266906A (en) * | 1988-04-06 | 1988-11-04 | Hitachi Ltd | Negative feedback type power amplifying circuit |
JPH0221815U (en) * | 1988-07-12 | 1990-02-14 |
-
1977
- 1977-04-22 JP JP4644777A patent/JPS53131741A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63266906A (en) * | 1988-04-06 | 1988-11-04 | Hitachi Ltd | Negative feedback type power amplifying circuit |
JPH0221815U (en) * | 1988-07-12 | 1990-02-14 |
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