ZA764984B - Improvements in or relating to transistor power amplifier - Google Patents
Improvements in or relating to transistor power amplifierInfo
- Publication number
- ZA764984B ZA764984B ZA764984A ZA764984A ZA764984B ZA 764984 B ZA764984 B ZA 764984B ZA 764984 A ZA764984 A ZA 764984A ZA 764984 A ZA764984 A ZA 764984A ZA 764984 B ZA764984 B ZA 764984B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- power amplifier
- transistor power
- transistor
- amplifier
- Prior art date
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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752542638 DE2542638C2 (de) | 1975-09-24 | Transistor-Leistungsverstärker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA764984B true ZA764984B (en) | 1977-07-27 |
Family
ID=5957309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA764984A ZA764984B (en) | 1975-09-24 | 1976-08-19 | Improvements in or relating to transistor power amplifier |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4061984A (xx) |
| JP (1) | JPS5240948A (xx) |
| AR (1) | AR210161A1 (xx) |
| AT (1) | AT351594B (xx) |
| BE (1) | BE846591A (xx) |
| BR (1) | BR7606279A (xx) |
| CA (1) | CA1099349A (xx) |
| CH (1) | CH607448A5 (xx) |
| DK (1) | DK418376A (xx) |
| FR (1) | FR2326074A1 (xx) |
| GB (1) | GB1561052A (xx) |
| IN (1) | IN143667B (xx) |
| IT (1) | IT1068330B (xx) |
| LU (1) | LU75593A1 (xx) |
| NL (1) | NL161631C (xx) |
| NO (1) | NO140647C (xx) |
| SE (1) | SE410684B (xx) |
| ZA (1) | ZA764984B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4153820A (en) * | 1977-11-18 | 1979-05-08 | International Telephone & Telegraph Corporation | Paging amplifier for a key telephone system |
| FR2469826A1 (fr) * | 1979-11-14 | 1981-05-22 | Lecoy Pierre | Boucle de detection d'erreur notamment pour circuit de correction de linearite |
| US4549152A (en) * | 1983-03-28 | 1985-10-22 | Rca Corporation | Broadband adjustable phase modulation circuit |
| JP3173460B2 (ja) * | 1998-04-27 | 2001-06-04 | 日本電気株式会社 | 電力増幅器 |
| US8717097B2 (en) * | 2011-06-28 | 2014-05-06 | Qualcomm Incorporated | Amplifier with improved noise reduction |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3815040A (en) * | 1973-03-02 | 1974-06-04 | Bell Telephone Labor Inc | Feed-forward, error-correcting systems |
-
1976
- 1976-07-30 GB GB31795/76A patent/GB1561052A/en not_active Expired
- 1976-08-13 CH CH1031476A patent/CH607448A5/xx not_active IP Right Cessation
- 1976-08-13 LU LU75593A patent/LU75593A1/xx unknown
- 1976-08-19 ZA ZA764984A patent/ZA764984B/xx unknown
- 1976-08-30 FR FR7626110A patent/FR2326074A1/fr active Granted
- 1976-09-06 AT AT658376A patent/AT351594B/de not_active IP Right Cessation
- 1976-09-07 CA CA260,625A patent/CA1099349A/en not_active Expired
- 1976-09-08 US US05/721,475 patent/US4061984A/en not_active Expired - Lifetime
- 1976-09-16 DK DK418376A patent/DK418376A/da unknown
- 1976-09-16 AR AR264746A patent/AR210161A1/es active
- 1976-09-17 NO NO763198A patent/NO140647C/no unknown
- 1976-09-21 BR BR7606279A patent/BR7606279A/pt unknown
- 1976-09-21 SE SE7610461A patent/SE410684B/xx unknown
- 1976-09-21 IT IT27432/76A patent/IT1068330B/it active
- 1976-09-24 JP JP51114572A patent/JPS5240948A/ja active Pending
- 1976-09-24 BE BE170944A patent/BE846591A/xx unknown
- 1976-09-24 NL NL7610624.A patent/NL161631C/xx not_active IP Right Cessation
- 1976-10-11 IN IN1856/CAL/76A patent/IN143667B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IN143667B (xx) | 1978-01-14 |
| JPS5240948A (en) | 1977-03-30 |
| SE7610461L (sv) | 1977-03-25 |
| BR7606279A (pt) | 1977-06-07 |
| IT1068330B (it) | 1985-03-21 |
| DE2542638B1 (de) | 1976-11-11 |
| CA1099349A (en) | 1981-04-14 |
| LU75593A1 (xx) | 1977-03-28 |
| DK418376A (da) | 1977-03-25 |
| US4061984A (en) | 1977-12-06 |
| FR2326074B1 (xx) | 1979-09-28 |
| NO763198L (no) | 1977-03-25 |
| AR210161A1 (es) | 1977-06-30 |
| NL161631B (nl) | 1979-09-17 |
| ATA658376A (de) | 1979-01-15 |
| NL161631C (nl) | 1980-02-15 |
| NO140647B (no) | 1979-07-02 |
| FR2326074A1 (fr) | 1977-04-22 |
| GB1561052A (en) | 1980-02-13 |
| SE410684B (sv) | 1979-10-22 |
| CH607448A5 (xx) | 1978-12-15 |
| NL7610624A (nl) | 1977-03-28 |
| AT351594B (de) | 1979-08-10 |
| NO140647C (no) | 1979-10-10 |
| BE846591A (fr) | 1977-01-17 |
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