IT967794B - Apparecchio ricevitore di segnali radioelettrici con piu amplifica tori a guadagno variabili - Google Patents
Apparecchio ricevitore di segnali radioelettrici con piu amplifica tori a guadagno variabiliInfo
- Publication number
- IT967794B IT967794B IT29592/72A IT2959272A IT967794B IT 967794 B IT967794 B IT 967794B IT 29592/72 A IT29592/72 A IT 29592/72A IT 2959272 A IT2959272 A IT 2959272A IT 967794 B IT967794 B IT 967794B
- Authority
- IT
- Italy
- Prior art keywords
- signal receiver
- variable gain
- gain amplifier
- receiver device
- several variable
- Prior art date
Links
Classifications
-
- 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
- H03G3/3073—Circuits generating control signals when no carrier is present, or in SSB, CW or pulse receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4436—Monopulse radar, i.e. simultaneous lobing with means specially adapted to maintain the same processing characteristics between the monopulse signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/34—Gain of receiver varied automatically during pulse-recurrence period, e.g. anti-clutter gain control
-
- 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
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
- H03G1/0058—PIN-diodes
-
- 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)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Circuits Of Receivers In General (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7134376A FR2153194B1 (xx) | 1971-09-24 | 1971-09-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT967794B true IT967794B (it) | 1974-03-11 |
Family
ID=9083420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT29592/72A IT967794B (it) | 1971-09-24 | 1972-09-23 | Apparecchio ricevitore di segnali radioelettrici con piu amplifica tori a guadagno variabili |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS4857591A (xx) |
AU (1) | AU473578B2 (xx) |
BE (1) | BE789148A (xx) |
CH (1) | CH563688A5 (xx) |
DE (1) | DE2246757A1 (xx) |
ES (1) | ES406985A1 (xx) |
FR (1) | FR2153194B1 (xx) |
GB (1) | GB1398318A (xx) |
IT (1) | IT967794B (xx) |
NL (1) | NL7212923A (xx) |
NO (1) | NO132975C (xx) |
SE (1) | SE373955B (xx) |
ZA (1) | ZA726438B (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4677392A (en) * | 1985-12-16 | 1987-06-30 | Hughes Aircraft Company | Cascaded internal impedance dependent amplifier with accurate variable gain control |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3378843A (en) * | 1966-11-29 | 1968-04-16 | Rca Corp | Monopulse tracking radar system capable of locating a plurality of unresolved targets |
-
0
- BE BE789148D patent/BE789148A/xx unknown
-
1971
- 1971-09-24 FR FR7134376A patent/FR2153194B1/fr not_active Expired
-
1972
- 1972-09-20 NO NO3372/72A patent/NO132975C/no unknown
- 1972-09-20 ZA ZA726438A patent/ZA726438B/xx unknown
- 1972-09-21 GB GB4381072A patent/GB1398318A/en not_active Expired
- 1972-09-21 SE SE7212191A patent/SE373955B/xx unknown
- 1972-09-21 CH CH1377772A patent/CH563688A5/xx not_active IP Right Cessation
- 1972-09-23 ES ES406985A patent/ES406985A1/es not_active Expired
- 1972-09-23 DE DE19722246757 patent/DE2246757A1/de active Pending
- 1972-09-23 IT IT29592/72A patent/IT967794B/it active
- 1972-09-25 AU AU47037/72A patent/AU473578B2/en not_active Expired
- 1972-09-25 JP JP47096075A patent/JPS4857591A/ja active Pending
- 1972-09-25 NL NL7212923A patent/NL7212923A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE373955B (xx) | 1975-02-17 |
AU473578B2 (en) | 1976-06-24 |
FR2153194B1 (xx) | 1976-09-03 |
GB1398318A (en) | 1975-06-18 |
NO132975B (xx) | 1975-11-03 |
ZA726438B (en) | 1973-06-27 |
BE789148A (fr) | 1973-01-15 |
NO132975C (xx) | 1976-02-11 |
ES406985A1 (es) | 1975-09-16 |
DE2246757A1 (de) | 1973-03-29 |
AU4703772A (en) | 1974-04-11 |
NL7212923A (xx) | 1973-03-27 |
FR2153194A1 (xx) | 1973-05-04 |
CH563688A5 (xx) | 1975-06-30 |
JPS4857591A (xx) | 1973-08-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE381785B (sv) | Antennavstemningsanordning | |
NL181065C (nl) | Signaalversterkingsschakeling. | |
NL166162C (nl) | Versterkerschakeling met regelbare versterking. | |
NL173466C (nl) | Fm-ontvanger. | |
IT947126B (it) | Amplificatore elettronico di segnali | |
DK138349B (da) | Lavfrekvensforstærkningskredsløb. | |
SE388517B (sv) | Signalfrekvenskenslig krets | |
CH504823A (fr) | Dispositif récepteur numérique de fréquences | |
CH500632A (de) | Signalverhältnisverstärker | |
IT956760B (it) | Apparato ricevitore | |
BE761443A (fr) | Recepteur micro-onde a super-reaction | |
AR196642A1 (es) | Dispositivo transmisor de senal | |
BR6913152D0 (pt) | Amplificador de faixa ampla | |
IT967794B (it) | Apparecchio ricevitore di segnali radioelettrici con piu amplifica tori a guadagno variabili | |
AT364428B (de) | Hf-signaluebertragungsanordnung | |
SE391092B (sv) | Signalbegrensare | |
SE388988B (sv) | Signaloverforingsanordning | |
NL7514219A (nl) | Signaalversterker met regelbare versterking. | |
BR7305051D0 (pt) | Amplificador aperfeicoado de sinais fracos | |
NL171217C (nl) | Telefoon - conferentie-versterkerschakeling. | |
CH558655A (de) | Dopplersignalempfaenger. | |
SE388330B (sv) | Signalbehandlingsanordning | |
IT985784B (it) | Dispositivo emettitore ricevitore di segnali telefonici | |
BE780713A (fr) | Amplificateur a gain variable | |
FR1453549A (fr) | Démodulateur de signaux modulés en fréquence |