AU473578B2 - Improvements in and relating to radio signal receivers - Google Patents
Improvements in and relating to radio signal receiversInfo
- Publication number
- AU473578B2 AU473578B2 AU47037/72A AU4703772A AU473578B2 AU 473578 B2 AU473578 B2 AU 473578B2 AU 47037/72 A AU47037/72 A AU 47037/72A AU 4703772 A AU4703772 A AU 4703772A AU 473578 B2 AU473578 B2 AU 473578B2
- Authority
- AU
- Australia
- Prior art keywords
- relating
- radio signal
- signal receivers
- receivers
- radio
- Prior art date
- 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
- 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)
- Circuits Of Receivers In General (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7134376A FR2153194B1 (en) | 1971-09-24 | 1971-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU4703772A AU4703772A (en) | 1974-04-11 |
| AU473578B2 true AU473578B2 (en) | 1976-06-24 |
Family
ID=9083420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU47037/72A Expired AU473578B2 (en) | 1971-09-24 | 1972-09-25 | Improvements in and relating to radio signal receivers |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS4857591A (en) |
| AU (1) | AU473578B2 (en) |
| BE (1) | BE789148A (en) |
| CH (1) | CH563688A5 (en) |
| DE (1) | DE2246757A1 (en) |
| ES (1) | ES406985A1 (en) |
| FR (1) | FR2153194B1 (en) |
| GB (1) | GB1398318A (en) |
| IT (1) | IT967794B (en) |
| NL (1) | NL7212923A (en) |
| NO (1) | NO132975C (en) |
| SE (1) | SE373955B (en) |
| ZA (1) | ZA726438B (en) |
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/en unknown
-
1971
- 1971-09-24 FR FR7134376A patent/FR2153194B1/fr not_active Expired
-
1972
- 1972-09-20 ZA ZA726438A patent/ZA726438B/en unknown
- 1972-09-20 NO NO3372/72A patent/NO132975C/no unknown
- 1972-09-21 GB GB4381072A patent/GB1398318A/en not_active Expired
- 1972-09-21 CH CH1377772A patent/CH563688A5/xx not_active IP Right Cessation
- 1972-09-21 SE SE7212191A patent/SE373955B/xx unknown
- 1972-09-23 DE DE19722246757 patent/DE2246757A1/en active Pending
- 1972-09-23 IT IT29592/72A patent/IT967794B/en active
- 1972-09-23 ES ES406985A patent/ES406985A1/en not_active Expired
- 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 |
|---|---|
| BE789148A (en) | 1973-01-15 |
| DE2246757A1 (en) | 1973-03-29 |
| GB1398318A (en) | 1975-06-18 |
| NO132975C (en) | 1976-02-11 |
| CH563688A5 (en) | 1975-06-30 |
| FR2153194A1 (en) | 1973-05-04 |
| JPS4857591A (en) | 1973-08-13 |
| AU4703772A (en) | 1974-04-11 |
| NO132975B (en) | 1975-11-03 |
| ES406985A1 (en) | 1975-09-16 |
| FR2153194B1 (en) | 1976-09-03 |
| NL7212923A (en) | 1973-03-27 |
| ZA726438B (en) | 1973-06-27 |
| IT967794B (en) | 1974-03-11 |
| SE373955B (en) | 1975-02-17 |
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