GB1357353A - Detection circuit useful in muting circuits - Google Patents

Detection circuit useful in muting circuits

Info

Publication number
GB1357353A
GB1357353A GB3983471A GB3983471A GB1357353A GB 1357353 A GB1357353 A GB 1357353A GB 3983471 A GB3983471 A GB 3983471A GB 3983471 A GB3983471 A GB 3983471A GB 1357353 A GB1357353 A GB 1357353A
Authority
GB
United Kingdom
Prior art keywords
transistor
base
muting
semi
emitter
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
GB3983471A
Other languages
English (en)
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 GB1357353A publication Critical patent/GB1357353A/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
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/341—Muting when no signals or only weak signals are present

Landscapes

  • Noise Elimination (AREA)
  • Amplifiers (AREA)
GB3983471A 1970-08-26 1971-08-25 Detection circuit useful in muting circuits Expired GB1357353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6700970A 1970-08-26 1970-08-26

Publications (1)

Publication Number Publication Date
GB1357353A true GB1357353A (en) 1974-06-19

Family

ID=22073141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3983471A Expired GB1357353A (en) 1970-08-26 1971-08-25 Detection circuit useful in muting circuits

Country Status (9)

Country Link
US (1) US3714583A (enExample)
JP (1) JPS5544496B1 (enExample)
AU (1) AU471809B2 (enExample)
CA (1) CA939753A (enExample)
DE (1) DE2142172B2 (enExample)
FR (1) FR2106037A5 (enExample)
GB (1) GB1357353A (enExample)
HK (1) HK44378A (enExample)
NL (1) NL177371C (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701022A (en) * 1971-06-08 1972-10-24 Rca Corp Peak-to-peak detector
US3889192A (en) * 1973-10-16 1975-06-10 Braun Ag Arrangement for suppressing noise in an FM receiver
JPS6041493B2 (ja) * 1977-03-16 1985-09-17 ソニー株式会社 受信機
JPS54111201A (en) * 1978-02-20 1979-08-31 Nec Corp Signal processing circuit
DE3047386A1 (de) * 1980-12-16 1982-07-15 Philips Patentverwaltung Gmbh, 2000 Hamburg Empfaenger zum empfang von am-signalen, deren traeger frequenz- oder phasenmoduliert ist
ES2081405T3 (es) * 1990-09-11 1996-03-01 Stefan Brinkhaus Procedimiento y dispositivo para la minimizacion de perturbaciones, especialmente en la recepcion de fm.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2261951A (en) * 1938-08-09 1941-11-11 Bloch Alan Method and means for receiving modulated waves
BE540597A (enExample) * 1954-08-17
US2914664A (en) * 1956-03-26 1959-11-24 Browning Lab Inc Apparatus for frequency-modulation reception with means for muting noise
DE1011481B (de) * 1956-04-25 1957-07-04 Telefunken Gmbh Transistor-Gleichrichterschaltung
US3064196A (en) * 1958-08-13 1962-11-13 Collins Radio Co Noise limiter and squelch circuit
US3011052A (en) * 1958-09-15 1961-11-28 Gen Dynamics Corp Transistor squelch circuit
NL258644A (enExample) * 1959-12-02
US3238457A (en) * 1963-05-08 1966-03-01 Melpar Inc Signal to noise ratio monitor
US3569633A (en) * 1967-12-21 1971-03-09 Heath Co Fm stereo receiver having automatic threshold switching circuitry

Also Published As

Publication number Publication date
AU471809B2 (en) 1976-05-06
HK44378A (en) 1978-08-18
CA939753A (en) 1974-01-08
FR2106037A5 (enExample) 1972-04-28
NL7111702A (enExample) 1972-02-29
DE2142172B2 (de) 1973-08-09
US3714583A (en) 1973-01-30
DE2142172A1 (de) 1972-03-02
JPS5544496B1 (enExample) 1980-11-12
AU3208771A (en) 1973-02-08
DE2142172C3 (enExample) 1982-04-08
NL177371C (nl) 1985-09-02
NL177371B (nl) 1985-04-01

Similar Documents

Publication Publication Date Title
GB1357807A (en) Combined tuning and signal strength indicator circuit
GB1279756A (en) Suppressing interference in fm radio receivers
GB1325284A (en) Amplifier circuit
GB766744A (en) Semi-conductor signal receiving system
GB1357353A (en) Detection circuit useful in muting circuits
GB1476498A (en) Detecting circuit
GB1458545A (en) Window detector circuit
GB1290597A (enExample)
GB1066634A (en) Signal translating circuits using field-effect transistors
US2807718A (en) Transistor-detector
US2859286A (en) Variable gain devices
US4359693A (en) Full wave amplitude modulation detector circuit
US3441749A (en) Electronic clamp
GB1450959A (en) Signal limiter
GB1470456A (en) Automatic gain control circuits
GB1353181A (en) Remote control system
US3701022A (en) Peak-to-peak detector
US2864002A (en) Transistor detector
US3012137A (en) Automatic volume control circuits including transistors
GB773470A (en) Improvements in or relating to detector-circuit arrangements
GB1377157A (en) Gain control circuit
GB1448684A (en) If amplifiers
GB1177760A (en) Improvements in Transistor Amplifying Circuits
GB1238698A (enExample)
GB1244044A (en) Signal translating stage

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years