JPS56723A - Characteristic improving unit for amplifier - Google Patents
Characteristic improving unit for amplifierInfo
- Publication number
- JPS56723A JPS56723A JP7587779A JP7587779A JPS56723A JP S56723 A JPS56723 A JP S56723A JP 7587779 A JP7587779 A JP 7587779A JP 7587779 A JP7587779 A JP 7587779A JP S56723 A JPS56723 A JP S56723A
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- signal
- output
- error
- hyb
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
- H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
PURPOSE:To enable good transient performance, high gain and constant input and output impedance and output noise, by providing the attenuator, differential amplifier and output amplifier. CONSTITUTION:The attenuator ATT1, differential amplifier DA1, and output synthesizer HYB are provided. The output signal B of the main amplifier A1 is attenuated ATT1 into the same level as the signal A to be the signal C, and DA1 compares and amplifies the differential component between the signals A and C, that is, error (or distortion) signal. In this case, when the level of the error signal output E of the amplifier DA1 is taken as the same level as the distortion (error to input signal) produced at the amplifier A1 and opposite phase, the final output signal F of the output terminal 2 at synthesis HYB is similar to the input signal. Further, as the amplifier DA1, in case of transistors, in comparison with the amplifirer A1, the one shorter in carrier storage time and higher in cut-off frequency can be used.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7587779A JPS56723A (en) | 1979-06-15 | 1979-06-15 | Characteristic improving unit for amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7587779A JPS56723A (en) | 1979-06-15 | 1979-06-15 | Characteristic improving unit for amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56723A true JPS56723A (en) | 1981-01-07 |
Family
ID=13588939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7587779A Pending JPS56723A (en) | 1979-06-15 | 1979-06-15 | Characteristic improving unit for amplifier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56723A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59217119A (en) * | 1983-05-26 | 1984-12-07 | Nissei Plastics Ind Co | Monitoring method of injection molding machine |
-
1979
- 1979-06-15 JP JP7587779A patent/JPS56723A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59217119A (en) * | 1983-05-26 | 1984-12-07 | Nissei Plastics Ind Co | Monitoring method of injection molding machine |
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