DK151751C - Forstaerkningsstyret synkrondetektor - Google Patents

Forstaerkningsstyret synkrondetektor

Info

Publication number
DK151751C
DK151751C DK558671A DK558671A DK151751C DK 151751 C DK151751 C DK 151751C DK 558671 A DK558671 A DK 558671A DK 558671 A DK558671 A DK 558671A DK 151751 C DK151751 C DK 151751C
Authority
DK
Denmark
Prior art keywords
synchronous detector
amplifier controlled
controlled synchronous
amplifier
detector
Prior art date
Application number
DK558671A
Other languages
Danish (da)
English (en)
Other versions
DK151751B (da
Inventor
Johann Wittmann Erwin
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of DK151751B publication Critical patent/DK151751B/da
Application granted granted Critical
Publication of DK151751C publication Critical patent/DK151751C/da

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
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/229—Homodyne or synchrodyne circuits using at least a two emittor-coupled differential pair of transistors
    • 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
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
    • 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
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Processing Of Color Television Signals (AREA)
  • Amplifiers (AREA)
DK558671A 1970-11-16 1971-11-15 Forstaerkningsstyret synkrondetektor DK151751C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8958370 1970-11-16
US89583A US3651418A (en) 1970-11-16 1970-11-16 Synchronous detector control

Publications (2)

Publication Number Publication Date
DK151751B DK151751B (da) 1987-12-28
DK151751C true DK151751C (da) 1988-06-13

Family

ID=22218443

Family Applications (1)

Application Number Title Priority Date Filing Date
DK558671A DK151751C (da) 1970-11-16 1971-11-15 Forstaerkningsstyret synkrondetektor

Country Status (14)

Country Link
US (1) US3651418A (pt)
JP (1) JPS5143746B1 (pt)
AT (1) AT334988B (pt)
AU (1) AU459001B2 (pt)
BE (1) BE775306A (pt)
CA (1) CA950544A (pt)
DK (1) DK151751C (pt)
ES (1) ES397069A1 (pt)
FR (1) FR2113977B1 (pt)
GB (1) GB1355223A (pt)
HK (1) HK44178A (pt)
IT (1) IT941130B (pt)
NL (1) NL175866C (pt)
SE (1) SE374471B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740456A (en) * 1972-04-10 1973-06-19 Rca Corp Electronic signal processing circuit
JPS5437953B2 (pt) * 1974-04-25 1979-11-17
US4198652A (en) * 1978-05-11 1980-04-15 Rca Corporation D.C. Gain controlled amplifier
US4257009A (en) * 1979-05-23 1981-03-17 Rca Corporation Inhibit circuit for a differential amplifier
EP0040273B1 (en) * 1980-05-20 1984-04-25 Motorola, Inc. Phase detector for television tuning systems and the like
DE3066677D1 (en) * 1980-05-20 1984-03-29 Motorola Inc Self balancing modulator and its application in a chroma demodulator
IT1211106B (it) * 1981-09-16 1989-09-29 Ates Componenti Elettron Stadio d'ingresso amplificatore e miscelatore a transistori per un radioricevitore.
JPS58184892A (ja) * 1982-04-22 1983-10-28 Mitsubishi Electric Corp 検波回路
US4625233A (en) * 1985-06-26 1986-11-25 Rca Corporation I-phase fleshtone correction system using R-Y, G-Y and B-Y color difference signal demodulators
US5331290A (en) * 1992-09-08 1994-07-19 Samsung Electronics Co., Ltd. Variable gain amplifier
US5596298A (en) * 1995-04-05 1997-01-21 Thomson Consumer Electronics, Inc. Bus aligned quadrature FM detector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241078A (en) * 1963-06-18 1966-03-15 Honeywell Inc Dual output synchronous detector utilizing transistorized differential amplifiers
US3290520A (en) * 1965-01-26 1966-12-06 Rca Corp Circuit for detecting amplitude threshold with means to keep threshold constant
US3522548A (en) * 1968-05-03 1970-08-04 Rca Corp Temperature tracking of emitter coupled differential amplifier stage
US3577008A (en) * 1969-01-22 1971-05-04 Rca Corp Automatic frequency control apparatus

Also Published As

Publication number Publication date
DE2156907A1 (de) 1972-05-31
FR2113977B1 (pt) 1976-02-13
ATA990371A (de) 1976-06-15
AU459001B2 (en) 1975-03-13
IT941130B (it) 1973-03-01
AU3507871A (en) 1973-05-03
JPS5143746B1 (pt) 1976-11-24
DK151751B (da) 1987-12-28
NL175866C (nl) 1985-01-02
NL7115689A (pt) 1972-05-18
DE2156907B2 (de) 1973-04-19
SE374471B (pt) 1975-03-03
ES397069A1 (es) 1974-05-01
FR2113977A1 (pt) 1972-06-30
BE775306A (fr) 1972-03-01
HK44178A (en) 1978-08-18
GB1355223A (en) 1974-06-05
CA950544A (en) 1974-07-02
US3651418B1 (pt) 1982-09-07
US3651418A (en) 1972-03-21
AT334988B (de) 1977-02-10

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Legal Events

Date Code Title Description
PUP Patent expired