DE2554451A1 - Integrierter verstaerker mit mehreren transistorverstaerkerstufen - Google Patents
Integrierter verstaerker mit mehreren transistorverstaerkerstufenInfo
- Publication number
- DE2554451A1 DE2554451A1 DE19752554451 DE2554451A DE2554451A1 DE 2554451 A1 DE2554451 A1 DE 2554451A1 DE 19752554451 DE19752554451 DE 19752554451 DE 2554451 A DE2554451 A DE 2554451A DE 2554451 A1 DE2554451 A1 DE 2554451A1
- Authority
- DE
- Germany
- Prior art keywords
- amplifier
- resistor
- negative feedback
- transistor
- amplifier according
- 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.)
- Withdrawn
Links
- 239000004065 semiconductor Substances 0.000 claims description 10
- 238000009792 diffusion process Methods 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 2
- 230000001419 dependent effect Effects 0.000 claims 2
- 239000008188 pellet Substances 0.000 claims 2
- 239000003990 capacitor Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7415220A SE7415220L (sv) | 1974-12-04 | 1974-12-04 | Integrerad forsterkare |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2554451A1 true DE2554451A1 (de) | 1976-06-10 |
Family
ID=20322896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752554451 Withdrawn DE2554451A1 (de) | 1974-12-04 | 1975-12-03 | Integrierter verstaerker mit mehreren transistorverstaerkerstufen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4013971A (enExample) |
| AU (1) | AU501782B2 (enExample) |
| DE (1) | DE2554451A1 (enExample) |
| FR (1) | FR2293830A1 (enExample) |
| GB (1) | GB1515755A (enExample) |
| SE (1) | SE7415220L (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1563193A (en) * | 1975-08-02 | 1980-03-19 | Ferranti Ltd | Semiconductor devices |
| CA1056970A (en) * | 1977-01-10 | 1979-06-19 | Northern Telecom Limited | Electronic network for telephone set |
| JPS6116605A (ja) * | 1984-07-02 | 1986-01-24 | Hitachi Ltd | 可変利得増幅回路 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1195405A (fr) * | 1958-04-24 | 1959-11-17 | Csf | Dispositif de contre-réaction à thermistances |
| GB951342A (en) * | 1961-10-17 | 1964-03-04 | Smith & Sons Ltd S | Improvements in or relating to electrical amplifying apparatus employing junction transistors |
| FR1460507A (fr) * | 1962-09-07 | 1966-01-07 | Texas Instruments Inc | Circuits à contre-réaction thermique |
-
1974
- 1974-12-04 SE SE7415220A patent/SE7415220L/ not_active IP Right Cessation
-
1975
- 1975-11-19 US US05/633,509 patent/US4013971A/en not_active Expired - Lifetime
- 1975-11-27 AU AU87050/75A patent/AU501782B2/en not_active Expired
- 1975-12-02 GB GB49538/75A patent/GB1515755A/en not_active Expired
- 1975-12-03 DE DE19752554451 patent/DE2554451A1/de not_active Withdrawn
- 1975-12-03 FR FR7537058A patent/FR2293830A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2293830B1 (enExample) | 1980-02-08 |
| GB1515755A (en) | 1978-06-28 |
| AU8705075A (en) | 1977-06-02 |
| FR2293830A1 (fr) | 1976-07-02 |
| SE384775B (sv) | 1976-05-17 |
| US4013971A (en) | 1977-03-22 |
| AU501782B2 (en) | 1979-06-28 |
| SE7415220L (sv) | 1976-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |