RU2011154424A - METHOD FOR REDUCING ERRORS OF DC AMPLIFIER WITH MODULATOR AT INPUT AND DEMODULATOR AT OUTPUT - Google Patents
METHOD FOR REDUCING ERRORS OF DC AMPLIFIER WITH MODULATOR AT INPUT AND DEMODULATOR AT OUTPUT Download PDFInfo
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- RU2011154424A RU2011154424A RU2011154424/08A RU2011154424A RU2011154424A RU 2011154424 A RU2011154424 A RU 2011154424A RU 2011154424/08 A RU2011154424/08 A RU 2011154424/08A RU 2011154424 A RU2011154424 A RU 2011154424A RU 2011154424 A RU2011154424 A RU 2011154424A
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- amplifier
- output
- demodulator
- modulator
- input
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Abstract
Способ уменьшения погрешностей усилителя постоянного тока с модулятором на входе и демодулятором на выходе, заключающийся в том, что измеряют температуру усилителя и формируют сигнал коррекции, который суммируют с выходным сигналом усилителя, отличающийся тем, что, с целью уменьшения дополнительной погрешности напряжение сигнала коррекции, формируют пропорционально скорости изменения температуры усилителя.A method of reducing errors of a DC amplifier with a modulator at the input and a demodulator at the output, which consists in measuring the temperature of the amplifier and generating a correction signal, which is summed with the output signal of the amplifier, characterized in that, in order to reduce the additional error, the voltage of the correction signal is formed in proportion to the rate of change of the temperature of the amplifier.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2011154424/08A RU2498501C2 (en) | 2011-12-29 | 2011-12-29 | Method for reducing errors of direct current amplifier with modulator at input and demodulator at output |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2011154424/08A RU2498501C2 (en) | 2011-12-29 | 2011-12-29 | Method for reducing errors of direct current amplifier with modulator at input and demodulator at output |
Publications (2)
Publication Number | Publication Date |
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RU2011154424A true RU2011154424A (en) | 2013-07-10 |
RU2498501C2 RU2498501C2 (en) | 2013-11-10 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2011154424/08A RU2498501C2 (en) | 2011-12-29 | 2011-12-29 | Method for reducing errors of direct current amplifier with modulator at input and demodulator at output |
Country Status (1)
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RU (1) | RU2498501C2 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5990738A (en) * | 1998-06-19 | 1999-11-23 | Datum Telegraphic Inc. | Compensation system and methods for a linear power amplifier |
US6587514B1 (en) * | 1999-07-13 | 2003-07-01 | Pmc-Sierra, Inc. | Digital predistortion methods for wideband amplifiers |
US7076225B2 (en) * | 2001-02-16 | 2006-07-11 | Qualcomm Incorporated | Variable gain selection in direct conversion receiver |
US7639080B2 (en) * | 2006-06-07 | 2009-12-29 | Panasonic Corporation | Radio frequency amplifier circuit and mobile communication terminal using the same |
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2011
- 2011-12-29 RU RU2011154424/08A patent/RU2498501C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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RU2498501C2 (en) | 2013-11-10 |
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Legal Events
Date | Code | Title | Description |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20151230 |