CH374390A - Transistorvorverstärker - Google Patents
TransistorvorverstärkerInfo
- Publication number
- CH374390A CH374390A CH7791859A CH7791859A CH374390A CH 374390 A CH374390 A CH 374390A CH 7791859 A CH7791859 A CH 7791859A CH 7791859 A CH7791859 A CH 7791859A CH 374390 A CH374390 A CH 374390A
- Authority
- CH
- Switzerland
- Prior art keywords
- transistor preamplifier
- preamplifier
- transistor
- Prior art date
Links
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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
-
- 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B2005/0002—Special dispositions or recording techniques
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US764906A US3068327A (en) | 1958-10-02 | 1958-10-02 | Transistor amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH374390A true CH374390A (de) | 1964-01-15 |
Family
ID=25072117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH7791859A CH374390A (de) | 1958-10-02 | 1959-09-07 | Transistorvorverstärker |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3068327A (de) |
| CH (1) | CH374390A (de) |
| DE (1) | DE1118262B (de) |
| GB (1) | GB917721A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3223988A (en) * | 1960-06-10 | 1965-12-14 | Nat Rejectors Gmbh | Currency detectors |
| US3265818A (en) * | 1962-05-28 | 1966-08-09 | Ampex | Signal system optimization in magnetic tape apparatus for processing continuous nonpictorial wideband signals |
| US3317681A (en) * | 1963-05-07 | 1967-05-02 | Ampex | Playback preamplifier circuit |
| US3332028A (en) * | 1964-04-29 | 1967-07-18 | Garrett Corp | Dynamic bandpass filter amplifier having multiple feedback paths |
| US4134140A (en) * | 1976-10-01 | 1979-01-09 | Eastman Technology, Inc. | Voltage mode amplifier for use with a high Q magnetic head |
| JPS6012683B2 (ja) * | 1977-03-11 | 1985-04-03 | 株式会社日立製作所 | 映像信号再生回路 |
| US4470020A (en) * | 1982-05-06 | 1984-09-04 | Mohr Daniel R | Virtual ground preamplifier for magnetic phono cartridge |
| DE3232610A1 (de) * | 1982-09-02 | 1984-03-08 | Robert Bosch Gmbh, 7000 Stuttgart | Wiedergabevorverstaerker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL243935A (de) * | 1952-11-15 | |||
| DE1014168B (de) * | 1953-03-14 | 1957-08-22 | Philips Nv | Transistor-Kaskadenverstaerker in Emitterschaltung |
| BE535593A (de) * | 1954-02-10 | |||
| US2789164A (en) * | 1954-03-01 | 1957-04-16 | Rca Corp | Semi-conductor signal amplifier circuit |
| US2866859A (en) * | 1955-07-11 | 1958-12-30 | Rca Corp | Audio amplifier bridge input circuits |
| US2822430A (en) * | 1956-08-15 | 1958-02-04 | Rca Corp | Transistor amplifier circuit |
| US2919313A (en) * | 1956-09-04 | 1959-12-29 | Minnesota Mining & Mfg | Low noise preamplifier |
| US2977546A (en) * | 1957-08-29 | 1961-03-28 | Bendix Corp | Transistor amplifier circuit |
-
1958
- 1958-10-02 US US764906A patent/US3068327A/en not_active Expired - Lifetime
-
1959
- 1959-09-07 CH CH7791859A patent/CH374390A/de unknown
- 1959-09-16 DE DER26376A patent/DE1118262B/de active Pending
- 1959-09-18 GB GB31955/59A patent/GB917721A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3068327A (en) | 1962-12-11 |
| DE1118262B (de) | 1961-11-30 |
| GB917721A (en) | 1963-02-06 |
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