EG17648A - Cascaded internal impedance dependent amplifier with accurate variable gain control - Google Patents

Cascaded internal impedance dependent amplifier with accurate variable gain control

Info

Publication number
EG17648A
EG17648A EG720/86A EG72086A EG17648A EG 17648 A EG17648 A EG 17648A EG 720/86 A EG720/86 A EG 720/86A EG 72086 A EG72086 A EG 72086A EG 17648 A EG17648 A EG 17648A
Authority
EG
Egypt
Prior art keywords
gain control
variable gain
internal impedance
accurate variable
dependent amplifier
Prior art date
Application number
EG720/86A
Other languages
English (en)
Inventor
Steve S Yang
Original Assignee
Hughes Aircraft Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Application granted granted Critical
Publication of EG17648A publication Critical patent/EG17648A/xx

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
    • 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
    • H03G3/3057—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 using at least one diode as controlling device
    • 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
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers

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)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Attenuators (AREA)
EG720/86A 1985-12-16 1986-11-10 Cascaded internal impedance dependent amplifier with accurate variable gain control EG17648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/809,628 US4677392A (en) 1985-12-16 1985-12-16 Cascaded internal impedance dependent amplifier with accurate variable gain control

Publications (1)

Publication Number Publication Date
EG17648A true EG17648A (en) 1990-08-30

Family

ID=25201824

Family Applications (1)

Application Number Title Priority Date Filing Date
EG720/86A EG17648A (en) 1985-12-16 1986-11-10 Cascaded internal impedance dependent amplifier with accurate variable gain control

Country Status (13)

Country Link
US (1) US4677392A (sv)
EP (1) EP0250453B1 (sv)
JP (1) JPS63501910A (sv)
KR (1) KR900008761B1 (sv)
AU (1) AU580194B2 (sv)
CA (1) CA1286735C (sv)
DE (1) DE3682678D1 (sv)
DK (1) DK169802B1 (sv)
EG (1) EG17648A (sv)
ES (1) ES2002790A6 (sv)
IL (1) IL80100A (sv)
NO (1) NO170510C (sv)
WO (1) WO1987003755A1 (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924194A (en) * 1989-05-19 1990-05-08 Motorola, Inc. RF power amplifier
US5162678A (en) * 1990-09-18 1992-11-10 Silicon Systems, Inc. Temperature compensation control circuit for exponential gain function of an agc amplifier
US5278519A (en) * 1991-11-13 1994-01-11 Ericsson Ge Mobile Communications Inc. Method and apparatus for controlling RF spectral splatter into adjacent channels when activating an RF transmitter
US5307026A (en) * 1992-12-11 1994-04-26 Nokia Mobile Phones, Ltd. Variable gain RF amplifier with linear gain control
US5304948A (en) * 1992-12-11 1994-04-19 Nokia Mobile Phones Ltd. RF amplifier with linear gain control
FR2761834B1 (fr) * 1997-04-04 1999-10-22 Thomson Csf Amplificateur avec etage d'entree en base commune
US6766153B2 (en) 2001-04-02 2004-07-20 Itran Communications Ltd. Dynamic automatic gain control circuit employing kalman filtering
WO2016130884A1 (en) * 2015-02-15 2016-08-18 Skyworks Solutions, Inc. Power amplification system with common base pre-amplifier
JP2017183839A (ja) * 2016-03-28 2017-10-05 株式会社村田製作所 電力増幅回路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719831A (en) * 1969-02-18 1973-03-06 Us Air Force Logarithmic if amplifier
BE789148A (fr) * 1971-09-24 1973-01-15 Dassault Electronique Appareil recepteur a plusieurs chaines d'amplification montee en parallele
FR2204333A5 (sv) * 1972-10-20 1974-05-17 Thomson Csf
US4275362A (en) * 1979-03-16 1981-06-23 Rca Corporation Gain controlled amplifier using a pin diode
JPS573408A (en) * 1980-06-06 1982-01-08 Nec Corp Variable gain amplifying circuit
JPS5791009A (en) * 1980-11-27 1982-06-07 Nec Corp Agc control circuit
US4524331A (en) * 1982-09-13 1985-06-18 Orion Industries, Inc. High input impedance amplifier circuit
US4464635A (en) * 1982-11-18 1984-08-07 Zenith Electronics Corporation Non-reactive limiter

Also Published As

Publication number Publication date
US4677392A (en) 1987-06-30
NO873082L (no) 1987-07-22
KR900008761B1 (ko) 1990-11-29
IL80100A0 (en) 1986-12-31
NO873082D0 (no) 1987-07-22
AU6404086A (en) 1987-06-30
JPH0573285B2 (sv) 1993-10-14
EP0250453B1 (en) 1991-11-27
KR880701044A (ko) 1988-04-22
CA1286735C (en) 1991-07-23
WO1987003755A1 (en) 1987-06-18
NO170510B (no) 1992-07-13
DE3682678D1 (de) 1992-01-09
ES2002790A6 (es) 1988-10-01
DK169802B1 (da) 1995-02-27
JPS63501910A (ja) 1988-07-28
EP0250453A1 (en) 1988-01-07
DK409887D0 (da) 1987-08-06
DK409887A (da) 1987-08-06
NO170510C (no) 1992-10-21
AU580194B2 (en) 1989-01-05
IL80100A (en) 1990-09-17

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