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)
• Variable-Direction Aerials And Aerial Arrays (AREA)
• Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
• Circuits Of Receivers In General (AREA)

Applications Claiming Priority (1)

Publications (2)

Family

ID=9083420

Family Applications (1)

Country Status (13)

Families Citing this family (1)

Family Cites Families (1)

• 0
  • BE BE789148D patent/BE789148A/xx unknown
• 1971
  • 1971-09-24 FR FR7134376A patent/FR2153194B1/fr not_active Expired
• 1972
  • 1972-09-20 ZA ZA726438A patent/ZA726438B/xx 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 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

Similar Documents