DE2615383A1 - Avr-empfaenger - Google Patents

Avr-empfaenger

Info

Publication number
DE2615383A1
DE2615383A1 DE19762615383 DE2615383A DE2615383A1 DE 2615383 A1 DE2615383 A1 DE 2615383A1 DE 19762615383 DE19762615383 DE 19762615383 DE 2615383 A DE2615383 A DE 2615383A DE 2615383 A1 DE2615383 A1 DE 2615383A1
Authority
DE
Germany
Prior art keywords
signal
circuit
receiver
impedances
transistors
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.)
Ceased
Application number
DE19762615383
Other languages
German (de)
English (en)
Inventor
Wataru Yamatani
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
Publication of DE2615383A1 publication Critical patent/DE2615383A1/de
Ceased legal-status Critical Current

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
    • 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

  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Superheterodyne Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Networks Using Active Elements (AREA)
DE19762615383 1975-04-09 1976-04-08 Avr-empfaenger Ceased DE2615383A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50043033A JPS51117816A (en) 1975-04-09 1975-04-09 Receiver

Publications (1)

Publication Number Publication Date
DE2615383A1 true DE2615383A1 (de) 1976-10-21

Family

ID=12652609

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762615383 Ceased DE2615383A1 (de) 1975-04-09 1976-04-08 Avr-empfaenger

Country Status (8)

Country Link
US (1) US4048569A (enExample)
JP (1) JPS51117816A (enExample)
AU (1) AU499741B2 (enExample)
CA (1) CA1082314A (enExample)
DE (1) DE2615383A1 (enExample)
FR (1) FR2331214A1 (enExample)
GB (1) GB1528284A (enExample)
NL (1) NL189637C (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5917861B2 (ja) * 1976-12-17 1984-04-24 京王技研工業株式会社 可変インピ−ダンス回路用ｉｃ
JPS5729368Y2 (enExample) * 1977-02-10 1982-06-28
US4241453A (en) * 1978-10-19 1980-12-23 Harlan Drake Citizens band radio receiver with squelch control
US4471311A (en) * 1981-04-10 1984-09-11 Pioneer Electronic Corporation Detector circuit having AGC function
JPS60182812A (ja) * 1984-02-29 1985-09-18 Rohm Co Ltd 自動利得調整回路
CA1218119A (en) * 1984-03-15 1987-02-17 Andrey Polischuk Overload protector
EP2930647B1 (en) * 2014-04-11 2018-08-08 Nxp B.V. Contactless communication device with receiver input voltage stabilization

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279128A (en) * 1939-05-09 1942-04-07 Nat Geophysical Company Signal control
DE1927610A1 (de) * 1969-05-30 1970-12-03 Licentia Gmbh Signalschaltung unter Verwendung eines Feldeffekttransistors
US3571719A (en) * 1968-12-13 1971-03-23 Motorola Inc Overload compensation circuit for antenna tuning system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949533A (en) * 1959-04-17 1960-08-16 Collins Radio Co Automatic gain control circuit for use in transistor amplifiers
US3303428A (en) * 1964-01-28 1967-02-07 Aircraft Radio Corp Manual or automatic transistor r. f. gain control system utilizing a voltage controlled variable resistance element
DE1616591A1 (de) * 1965-02-23 1971-05-27 Telefunken Patent Schaltungsanordnung zur selbsttaetigen Verstaerkungsregelung eines Transistorempfaengers
US3490046A (en) * 1967-04-05 1970-01-13 Electrohome Ltd Automatic gain control and overload protection for signal receiving systems
DE1562086A1 (de) * 1968-01-27 1970-03-05 Sennheiser Electronic Mikrofon mit Dynamikregler
GB1410592A (en) * 1971-10-04 1975-10-22 Dolby Laboratories Inc Controlled impedance devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279128A (en) * 1939-05-09 1942-04-07 Nat Geophysical Company Signal control
US3571719A (en) * 1968-12-13 1971-03-23 Motorola Inc Overload compensation circuit for antenna tuning system
DE1927610A1 (de) * 1969-05-30 1970-12-03 Licentia Gmbh Signalschaltung unter Verwendung eines Feldeffekttransistors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
U.L.ROHDE: Eight ways to better radio receiver design, Electronics,, 48 (1975), H.4, (20.2.75), 87-91 *

Also Published As

Publication number Publication date
JPS51117816A (en) 1976-10-16
FR2331214A1 (fr) 1977-06-03
NL189637B (nl) 1993-01-04
CA1082314A (en) 1980-07-22
NL7603761A (nl) 1976-10-12
FR2331214B1 (enExample) 1982-11-19
AU499741B2 (en) 1979-05-03
NL189637C (nl) 1993-06-01
AU1250376A (en) 1977-10-06
US4048569A (en) 1977-09-13
GB1528284A (en) 1978-10-11

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection