JPS51121207A - Squelch circuit - Google Patents

Squelch circuit

Info

Publication number
JPS51121207A
JPS51121207A JP50046865A JP4686575A JPS51121207A JP S51121207 A JPS51121207 A JP S51121207A JP 50046865 A JP50046865 A JP 50046865A JP 4686575 A JP4686575 A JP 4686575A JP S51121207 A JPS51121207 A JP S51121207A
Authority
JP
Japan
Prior art keywords
squelch circuit
squelch
circuit
input signal
signal comes
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.)
Pending
Application number
JP50046865A
Other languages
Japanese (ja)
Inventor
Ryoji Shiozawa
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.)
TRIO KENWOOD CORP
Torio KK
Original Assignee
TRIO KENWOOD CORP
Torio KK
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 TRIO KENWOOD CORP, Torio KK filed Critical TRIO KENWOOD CORP
Priority to JP50046865A priority Critical patent/JPS51121207A/en
Publication of JPS51121207A publication Critical patent/JPS51121207A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/344—Muting responsive to the amount of noise (noise squelch)

Abstract

PURPOSE:To provide a squelch-circuit which delays starting squelching action for a given time, when the input signal comes under a given level.
JP50046865A 1975-04-17 1975-04-17 Squelch circuit Pending JPS51121207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50046865A JPS51121207A (en) 1975-04-17 1975-04-17 Squelch circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50046865A JPS51121207A (en) 1975-04-17 1975-04-17 Squelch circuit

Publications (1)

Publication Number Publication Date
JPS51121207A true JPS51121207A (en) 1976-10-23

Family

ID=12759223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50046865A Pending JPS51121207A (en) 1975-04-17 1975-04-17 Squelch circuit

Country Status (1)

Country Link
JP (1) JPS51121207A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132218U (en) * 1978-03-03 1979-09-13
JPS5762637A (en) * 1980-10-03 1982-04-15 Hitachi Denshi Ltd Squelch circuit
JP2006279276A (en) * 2005-03-28 2006-10-12 Toshiba Corp Transmission signal processing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132218U (en) * 1978-03-03 1979-09-13
JPS5813643Y2 (en) * 1978-03-03 1983-03-16 日本電気株式会社 Squelch signal level detection circuit
JPS5762637A (en) * 1980-10-03 1982-04-15 Hitachi Denshi Ltd Squelch circuit
JP2006279276A (en) * 2005-03-28 2006-10-12 Toshiba Corp Transmission signal processing device
JP4643329B2 (en) * 2005-03-28 2011-03-02 株式会社東芝 Transmission signal processing device

Similar Documents

Publication Publication Date Title
JPS51121207A (en) Squelch circuit
JPS5261946A (en) Transistor circuit
JPS51146157A (en) Frequency step-multiplication circuit
NL190499C (en) Input level indication circuit.
JPS5423456A (en) Oscillation circuit
JPS5227663A (en) Multi-function electronic timepiece
JPS5434644A (en) Input/output circiut
JPS5230310A (en) Identifying circuit
JPS5224412A (en) Receiver
JPS5338912A (en) Sending/stop system for signal sound
JPS5216107A (en) Signal judging circuit
JPS5223249A (en) Relay flip-flop circuit
JPS51135620A (en) Signal switchover circuit
JPS5380905A (en) Squelch device
JPS5269301A (en) Mode control device
JPS51131289A (en) Signal detector
JPS51141980A (en) Time division multiple control system
JPS51114046A (en) Block average circuit
JPS522143A (en) Interruption priority chain circuit
JPS52126109A (en) Line signal watch circuit
JPS5230144A (en) Agc amplifier
JPS5245843A (en) Integrated circuit
JPS5244110A (en) Receiver
JPS5223247A (en) Oscillator
JPS5254311A (en) Receiver