CA1043873A - Detecting circuit - Google Patents

Detecting circuit

Info

Publication number
CA1043873A
CA1043873A CA208,802A CA208802A CA1043873A CA 1043873 A CA1043873 A CA 1043873A CA 208802 A CA208802 A CA 208802A CA 1043873 A CA1043873 A CA 1043873A
Authority
CA
Canada
Prior art keywords
circuit
emitter
base
transistor
collector
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
Application number
CA208,802A
Other languages
English (en)
French (fr)
Other versions
CA208802S (en
Inventor
Mitsuo Ohsawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1043873A publication Critical patent/CA1043873A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/14—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles
    • H03D1/18—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles of semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/08—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements
    • H03D1/10—Demodulation of amplitude-modulated oscillations by means of non-linear two-pole elements of 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
    • 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
    • H03G3/3063—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 transistor as controlling device, the transistor being used as a variable impedance device

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Circuits Of Receivers In General (AREA)
CA208,802A 1973-09-10 1974-09-09 Detecting circuit Expired CA1043873A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10189473A JPS5630961B2 (en, 2012) 1973-09-10 1973-09-10

Publications (1)

Publication Number Publication Date
CA1043873A true CA1043873A (en) 1978-12-05

Family

ID=14312616

Family Applications (1)

Application Number Title Priority Date Filing Date
CA208,802A Expired CA1043873A (en) 1973-09-10 1974-09-09 Detecting circuit

Country Status (6)

Country Link
US (1) US3940681A (en, 2012)
JP (1) JPS5630961B2 (en, 2012)
CA (1) CA1043873A (en, 2012)
FR (1) FR2243565B1 (en, 2012)
GB (1) GB1476498A (en, 2012)
NL (1) NL188970C (en, 2012)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1528913A (en) * 1974-11-08 1978-10-18 Solartron Electronic Group Rectifying circuits
JPS51148347A (en) * 1975-06-16 1976-12-20 Sony Corp Amplitude detection circuit
JPS5320760A (en) * 1976-08-10 1978-02-25 Matsushita Electric Ind Co Ltd Detection circuit
US4249137A (en) * 1978-12-11 1981-02-03 Rca Corporation Amplifier system with AGC, as for an AM radio
CH631048B (fr) * 1979-07-13 Ebauches Electroniques Sa Convertisseur de tension alternative en tension continue.
NL8001234A (nl) * 1980-02-29 1981-10-01 Philips Nv Topdetector.
NL8303319A (nl) * 1983-09-28 1985-04-16 Hazemeijer Bv Aktieve dubbelzijdige gelijkrichtschakeling.
JPH0197013A (ja) * 1987-10-09 1989-04-14 Hitachi Ltd 半導体回路装置
US5371525A (en) * 1990-11-30 1994-12-06 Kyocera Corporation Image head
US20080061842A1 (en) * 2006-09-07 2008-03-13 Micron Technology, Inc. Circuit and method for detecting timed amplitude reduction of a signal relative to a threshold voltage
US7560959B2 (en) * 2006-09-18 2009-07-14 Micron Technology, Inc. Absolute value peak differential voltage detector circuit and method
EP2089961A1 (de) * 2006-11-09 2009-08-19 Osram Gesellschaft mit Beschränkter Haftung Selbstschwingender dc-dc-wandler und verfahren dazu
US7889528B2 (en) * 2006-11-29 2011-02-15 Semiconductor Energy Laroratory Co., Ltd. Rectifier circuit, power supply circuit, and semiconductor device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990478A (en) * 1957-02-25 1961-06-27 Thompson Ramo Wooldridge Inc Anti-saturation circuits for transistor amplifiers
US3012182A (en) * 1957-08-15 1961-12-05 Gerald M Ford Transistor synchronous rectifier
NL259119A (en, 2012) * 1959-12-18
US3196338A (en) * 1960-08-22 1965-07-20 George S Bahrs Amplifying and switching circuit
US3165694A (en) * 1960-08-30 1965-01-12 Adage Inc Average signal value measuring means using storage means alternately connected to the signal and a d.c. measuring means
US3143664A (en) * 1961-11-13 1964-08-04 Honeywell Regulator Co Selective gate circuit utilizing transformers to control the operation of a bistable circuit
US3327131A (en) * 1961-12-29 1967-06-20 Ibm Current control system
US3170074A (en) * 1962-05-28 1965-02-16 Control Company Inc Comp Half-cycle ringing circuit
US3381203A (en) * 1966-08-12 1968-04-30 Collins Radio Co A-c to d-c converter
US3531656A (en) * 1967-10-06 1970-09-29 Systron Donner Corp Precision rectifier circuit

Also Published As

Publication number Publication date
JPS5054275A (en, 2012) 1975-05-13
NL188970C (nl) 1992-11-16
JPS5630961B2 (en, 2012) 1981-07-18
FR2243565A1 (en, 2012) 1975-04-04
GB1476498A (en) 1977-06-16
NL7411978A (nl) 1975-03-12
FR2243565B1 (en, 2012) 1980-04-11
US3940681A (en) 1976-02-24

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