FI78203B - Foerstaerkarkoppling. - Google Patents
Foerstaerkarkoppling. Download PDFInfo
- Publication number
- FI78203B FI78203B FI842060A FI842060A FI78203B FI 78203 B FI78203 B FI 78203B FI 842060 A FI842060 A FI 842060A FI 842060 A FI842060 A FI 842060A FI 78203 B FI78203 B FI 78203B
- Authority
- FI
- Finland
- Prior art keywords
- transistor
- voltage
- amplifier
- emitter
- field power
- Prior art date
Links
- 230000005669 field effect Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
- H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
- H03F3/1855—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices with junction-FET devices
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/301—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in MOSFET amplifiers
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/306—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in junction-FET amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/50—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower
- H03F3/505—Amplifiers in which input is applied to, or output is derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower with field-effect devices
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8205967A SE432168B (sv) | 1982-10-20 | 1982-10-20 | Forsterkarkoppling |
| SE8205967 | 1982-10-20 | ||
| SE8300355 | 1983-10-19 | ||
| PCT/SE1983/000355 WO1984001678A1 (en) | 1982-10-20 | 1983-10-19 | Amplifier circuit |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI842060A0 FI842060A0 (fi) | 1984-05-23 |
| FI842060A FI842060A (fi) | 1984-05-23 |
| FI78203B true FI78203B (fi) | 1989-02-28 |
| FI78203C FI78203C (fi) | 1989-06-12 |
Family
ID=20348285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI842060A FI78203C (fi) | 1982-10-20 | 1984-05-23 | Foerstaerkarkoppling. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4567445A (fi) |
| FI (1) | FI78203C (fi) |
| GB (1) | GB2137838B (fi) |
| SE (1) | SE432168B (fi) |
| WO (1) | WO1984001678A1 (fi) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5544347A (en) * | 1990-09-24 | 1996-08-06 | Emc Corporation | Data storage system controlled remote data mirroring with respectively maintained data indices |
| US5187110A (en) * | 1990-10-05 | 1993-02-16 | Allied-Signal Inc. | Field effect transistor-bipolar transistor darlington pair |
| US5086282A (en) * | 1990-10-05 | 1992-02-04 | Allied-Signal Inc. | Field effect transistor-bipolar transistor Darlington pair |
| US7830716B2 (en) * | 2008-06-06 | 2010-11-09 | Spansion Llc | Non-volatile memory string module with buffer and method |
| US7838342B2 (en) | 2008-06-06 | 2010-11-23 | Spansion Llc | Memory device and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4482868A (en) * | 1983-03-07 | 1984-11-13 | Motorola, Inc. | Output stage for a driver circuit having low quiescent output current |
-
1982
- 1982-10-20 SE SE8205967A patent/SE432168B/sv not_active IP Right Cessation
-
1983
- 1983-10-19 US US06/616,212 patent/US4567445A/en not_active Expired - Fee Related
- 1983-10-19 GB GB08412878A patent/GB2137838B/en not_active Expired
- 1983-10-19 WO PCT/SE1983/000355 patent/WO1984001678A1/en active IP Right Grant
-
1984
- 1984-05-23 FI FI842060A patent/FI78203C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2137838B (en) | 1986-01-08 |
| SE8205967D0 (sv) | 1982-10-20 |
| GB8412878D0 (en) | 1984-06-27 |
| FI842060A0 (fi) | 1984-05-23 |
| GB2137838A (en) | 1984-10-10 |
| FI842060A (fi) | 1984-05-23 |
| US4567445A (en) | 1986-01-28 |
| FI78203C (fi) | 1989-06-12 |
| SE432168B (sv) | 1984-03-19 |
| WO1984001678A1 (en) | 1984-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: OY L M ERICSSON AB |