IT1155860B - Perfezionamento negli amplificatori hf - Google Patents
Perfezionamento negli amplificatori hfInfo
- Publication number
- IT1155860B IT1155860B IT48268/78A IT4826878A IT1155860B IT 1155860 B IT1155860 B IT 1155860B IT 48268/78 A IT48268/78 A IT 48268/78A IT 4826878 A IT4826878 A IT 4826878A IT 1155860 B IT1155860 B IT 1155860B
- Authority
- IT
- Italy
- Prior art keywords
- amplifiers
- improvement
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
- H03G1/0029—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier using FETs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2709314A DE2709314C3 (de) | 1977-03-03 | 1977-03-03 | HF-Verstärkerschaltung |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7848268A0 IT7848268A0 (it) | 1978-03-02 |
IT1155860B true IT1155860B (it) | 1987-01-28 |
Family
ID=6002719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48268/78A IT1155860B (it) | 1977-03-03 | 1978-03-02 | Perfezionamento negli amplificatori hf |
Country Status (7)
Country | Link |
---|---|
US (1) | US4179668A (it) |
JP (1) | JPS53134349A (it) |
DE (1) | DE2709314C3 (it) |
FR (1) | FR2382799A1 (it) |
GB (1) | GB1598044A (it) |
IT (1) | IT1155860B (it) |
NL (1) | NL7802396A (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4295225A (en) * | 1978-08-18 | 1981-10-13 | Harris Corporation | Fiber optic repeater |
DE2911514C2 (de) * | 1979-03-23 | 1982-07-15 | Texas Instruments Deutschland Gmbh, 8050 Freising | HF-Verstärkerschaltung |
DE3109546A1 (de) * | 1981-03-13 | 1982-12-02 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth | Schaltungsanordnung zur ankopplung der antenne an die hf-eingangsschaltung eines autorundfunkempfaengers |
FR2558659B1 (fr) * | 1984-01-20 | 1986-04-25 | Thomson Csf | Circuit de polarisation d'un transistor a effet de champ |
US5483191A (en) * | 1994-09-23 | 1996-01-09 | At&T Corp. | Apparatus for biasing a FET with a single voltage supply |
US6005267A (en) * | 1995-09-29 | 1999-12-21 | Itt Corporation | MES/MIS FET with split-gate RF input |
US6268774B1 (en) * | 1999-11-05 | 2001-07-31 | Intel Corporation | Self-tuning amplifier |
JP2007150282A (ja) * | 2005-11-02 | 2007-06-14 | Sharp Corp | 電界効果トランジスタ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL301883A (it) * | 1962-12-17 | |||
US3391354A (en) * | 1963-12-19 | 1968-07-02 | Hitachi Ltd | Modulator utilizing an insulated gate field effect transistor |
JPS4940845A (it) * | 1972-08-25 | 1974-04-17 | ||
US3872491A (en) * | 1973-03-08 | 1975-03-18 | Sprague Electric Co | Asymmetrical dual-gate FET |
JPS50115480A (it) * | 1974-02-20 | 1975-09-10 | ||
JPS5718710B2 (it) * | 1974-05-10 | 1982-04-17 |
-
1977
- 1977-03-03 DE DE2709314A patent/DE2709314C3/de not_active Expired
-
1978
- 1978-02-24 US US05/881,105 patent/US4179668A/en not_active Expired - Lifetime
- 1978-02-28 FR FR7805652A patent/FR2382799A1/fr active Granted
- 1978-03-01 GB GB8073/78A patent/GB1598044A/en not_active Expired
- 1978-03-02 IT IT48268/78A patent/IT1155860B/it active
- 1978-03-03 JP JP2437678A patent/JPS53134349A/ja active Pending
- 1978-03-03 NL NL7802396A patent/NL7802396A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS53134349A (en) | 1978-11-22 |
GB1598044A (en) | 1981-09-16 |
DE2709314C3 (de) | 1980-03-20 |
DE2709314A1 (de) | 1978-09-07 |
IT7848268A0 (it) | 1978-03-02 |
FR2382799A1 (fr) | 1978-09-29 |
DE2709314B2 (de) | 1979-07-05 |
NL7802396A (nl) | 1978-09-05 |
FR2382799B1 (it) | 1984-03-23 |
US4179668A (en) | 1979-12-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1053603B (it) | Perfezionamento negli elettreti | |
AT348051B (de) | Kopfhoerer in geschlossener bauweise | |
IT1102475B (it) | Perfezionamento negli addensanti per mangini | |
AT351487B (de) | Walzgeruest | |
IT1158177B (it) | Perfezionamento negli assorbenti igienici | |
IT1090575B (it) | Perfezionamento negli utensili da taglio | |
IT1107798B (it) | Perfezionamento negli interruttori termici | |
IT1127868B (it) | Perfezionamento negli stetoscopi | |
IT1127415B (it) | Perfezionamento negli amplificatori di forza | |
IT1079357B (it) | Perfezionamento negli orologi | |
IT1155860B (it) | Perfezionamento negli amplificatori hf | |
IT1203158B (it) | Perfezionamenti negli aratri ribaltabili | |
FI780463A (fi) | Tablettkross | |
IT1090724B (it) | Perfezionamento negli scambi ferroviari | |
FI65863B (fi) | Filteranordning ingaoende i en pulsdopplerradar | |
AR215762A1 (es) | Mejoras en tarugos | |
IT1206564B (it) | Perfezionamenti negli aratri ribaltabili | |
SE7713045L (sv) | Lunnings- och buntningsslepkerra | |
BE884046A (fr) | Leidingstelsel met in willekeurige punten aftakbare leidingkokers | |
JPS52106251A (en) | Noiseeelimination hf amplifier | |
AR213328A1 (es) | Mejoras en munecos | |
AR211719A1 (es) | Mejoras en criques | |
AR209560A1 (es) | Mejoras en munecas | |
AR213142A1 (es) | Mejoras en sierras sinfin | |
AR214629A1 (es) | Mejoras en entrepisos |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950111 |