GB1379317A - High frequency automatic gain control circuits - Google Patents

High frequency automatic gain control circuits

Info

Publication number
GB1379317A
GB1379317A GB1681972A GB1681972A GB1379317A GB 1379317 A GB1379317 A GB 1379317A GB 1681972 A GB1681972 A GB 1681972A GB 1681972 A GB1681972 A GB 1681972A GB 1379317 A GB1379317 A GB 1379317A
Authority
GB
United Kingdom
Prior art keywords
transistor
emitter
coupled
diode
inductor
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
GB1681972A
Other languages
English (en)
Inventor
D J Carlson
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.)
RCA Corp
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 GB1379317A publication Critical patent/GB1379317A/en
Expired 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

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Superheterodyne Receivers (AREA)
GB1681972A 1971-04-14 1972-04-12 High frequency automatic gain control circuits Expired GB1379317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13380671A 1971-04-14 1971-04-14

Publications (1)

Publication Number Publication Date
GB1379317A true GB1379317A (en) 1975-01-02

Family

ID=22460382

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1681972A Expired GB1379317A (en) 1971-04-14 1972-04-12 High frequency automatic gain control circuits

Country Status (11)

Country Link
US (1) US3792359A (enExample)
AU (1) AU470347B2 (enExample)
BE (1) BE782062A (enExample)
CA (1) CA965848A (enExample)
DE (1) DE2217646A1 (enExample)
ES (1) ES401730A1 (enExample)
FR (1) FR2133688B1 (enExample)
GB (1) GB1379317A (enExample)
IT (1) IT951283B (enExample)
NL (1) NL7204949A (enExample)
SE (1) SE374986B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54103601A (en) * 1978-02-01 1979-08-15 Sony Corp Uhf electronic tuner
US6271721B1 (en) * 1999-06-23 2001-08-07 Christopher Trask Common-base transistor amplifiers with linearity augmentation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE66274C (de) * V. DlSCHKA, Königl. Ober - Realschuldirector in Fünfkirchen Springbrunnen
US3126514A (en) * 1964-03-24 John w
US2941070A (en) * 1954-06-01 1960-06-14 Hazeltine Research Inc Constantly forward biased non-linear element across detector input for controlling gain automatically
CH340866A (fr) * 1955-10-27 1959-09-15 Teletype Corp Dispositif dans lequel se trouvent des organes assurant une commande automatique de gain
BE557496A (enExample) * 1956-05-15
GB846131A (en) * 1956-05-15 1960-08-24 Texas Instruments Inc Automatic gain controls for radios
US3061785A (en) * 1960-04-08 1962-10-30 Motorola Inc Transistor protecting circuit
US3110864A (en) * 1960-04-19 1963-11-12 Trak Electronics Company Inc Fast-response and slow-decay automatic gain control and system
US3072849A (en) * 1960-09-22 1963-01-08 Motorola Inc Radio receiver having voltage-controlled resonant circuit coupling means between stages
US3622887A (en) * 1969-05-15 1971-11-23 Motorola Inc Overload compensation circuit for antenna tuning system
US3613008A (en) * 1969-05-15 1971-10-12 Motorola Inc Overload compensation circuit for antenna tuning system

Also Published As

Publication number Publication date
NL7204949A (enExample) 1972-10-17
SE374986B (enExample) 1975-03-24
US3792359A (en) 1974-02-12
ES401730A1 (es) 1975-03-16
CA965848A (en) 1975-04-08
BE782062A (fr) 1972-07-31
IT951283B (it) 1973-06-30
FR2133688A1 (enExample) 1972-12-01
FR2133688B1 (enExample) 1977-04-01
DE2217646A1 (de) 1972-10-19
AU470347B2 (en) 1973-10-18
AU4096172A (en) 1973-10-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee