FR2157830B1 - - Google Patents
Info
- Publication number
- FR2157830B1 FR2157830B1 FR7235385A FR7235385A FR2157830B1 FR 2157830 B1 FR2157830 B1 FR 2157830B1 FR 7235385 A FR7235385 A FR 7235385A FR 7235385 A FR7235385 A FR 7235385A FR 2157830 B1 FR2157830 B1 FR 2157830B1
- Authority
- FR
- France
- 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.)
- Expired
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
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3264—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits in audio amplifiers
- H03F1/327—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits in audio amplifiers to emulate discharge tube amplifier characteristics
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/16—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with field-effect devices
- H03F3/165—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with field-effect devices with junction-FET's
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
-
- H10W90/754—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Junction Field-Effect Transistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18700671A | 1971-10-06 | 1971-10-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2157830A1 FR2157830A1 (esLanguage) | 1973-06-08 |
| FR2157830B1 true FR2157830B1 (esLanguage) | 1977-08-26 |
Family
ID=22687226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7235385A Expired FR2157830B1 (esLanguage) | 1971-10-06 | 1972-10-05 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3742261A (esLanguage) |
| JP (1) | JPS5128988B2 (esLanguage) |
| BR (1) | BR7206919D0 (esLanguage) |
| CA (1) | CA967645A (esLanguage) |
| DE (1) | DE2248419C3 (esLanguage) |
| FR (1) | FR2157830B1 (esLanguage) |
| GB (1) | GB1345669A (esLanguage) |
| IT (1) | IT968705B (esLanguage) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889133A (en) * | 1972-03-16 | 1975-06-10 | Matsushita Electric Industrial Co Ltd | Output-voltage variable device |
| US3919668A (en) * | 1972-10-20 | 1975-11-11 | Matsushita Electric Industrial Co Ltd | Device for generating variable voltage |
| US4107725A (en) * | 1974-08-02 | 1978-08-15 | Nippon Gakki Seizo Kabushiki Kaisha | Compound field effect transistor |
| US3953808A (en) * | 1975-04-28 | 1976-04-27 | Bell Telephone Laboratories, Incorporated | Solid state amplifier |
| US5636284A (en) * | 1987-03-23 | 1997-06-03 | Pritchard; Eric K. | Solid state emulation of vacuum tube audio power amplifiers |
| US5434536A (en) * | 1987-03-23 | 1995-07-18 | Pritchard; Eric K. | Semiconductor emulation of vacuum tubes |
| US5648664A (en) * | 1995-01-20 | 1997-07-15 | Rough; J. Kirkwood H. | BIFET vacuum tube replacement structure |
| US7408401B1 (en) | 2007-02-23 | 2008-08-05 | Roberts Retrovalve, Inc. | Vacuum tube replacement device, circuit and system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2618690A (en) * | 1949-10-06 | 1952-11-18 | Otmar M Stuetzer | Transconductor employing line type field controlled semiconductor |
| US3271633A (en) * | 1963-01-29 | 1966-09-06 | Motorola Inc | Integrated field effect device with series connected channel |
| FR1401660A (fr) * | 1963-06-24 | 1965-06-04 | Thomson Houston Comp Francaise | Appareil de commutation à l'état solide |
| FR1424482A (fr) * | 1964-12-01 | 1966-01-14 | Csf | élément de circuit électrique intégré à réactance inductive |
| US3509367A (en) * | 1966-12-27 | 1970-04-28 | American Standard Inc | Ultralinear sweep generator |
| US3531654A (en) * | 1967-03-06 | 1970-09-29 | Robert L Eby | Solid state substitute for a dual triode electron tube |
-
1971
- 1971-10-06 US US3742261D patent/US3742261A/en not_active Expired - Lifetime
-
1972
- 1972-09-18 CA CA151,969A patent/CA967645A/en not_active Expired
- 1972-09-21 GB GB4375572A patent/GB1345669A/en not_active Expired
- 1972-10-03 DE DE2248419A patent/DE2248419C3/de not_active Expired
- 1972-10-05 FR FR7235385A patent/FR2157830B1/fr not_active Expired
- 1972-10-05 BR BR691972A patent/BR7206919D0/pt unknown
- 1972-10-06 IT IT3018972A patent/IT968705B/it active
- 1972-10-06 JP JP10058472A patent/JPS5128988B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2248419B2 (esLanguage) | 1974-05-16 |
| JPS4846270A (esLanguage) | 1973-07-02 |
| GB1345669A (en) | 1974-01-30 |
| IT968705B (it) | 1974-03-20 |
| BR7206919D0 (pt) | 1973-09-25 |
| DE2248419C3 (de) | 1974-12-12 |
| CA967645A (en) | 1975-05-13 |
| US3742261A (en) | 1973-06-26 |
| FR2157830A1 (esLanguage) | 1973-06-08 |
| JPS5128988B2 (esLanguage) | 1976-08-23 |
| DE2248419A1 (de) | 1973-04-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |