JPS5286713A - Muting system in angular modulating wave demodulating circuit - Google Patents

Muting system in angular modulating wave demodulating circuit

Info

Publication number
JPS5286713A
JPS5286713A JP341276A JP341276A JPS5286713A JP S5286713 A JPS5286713 A JP S5286713A JP 341276 A JP341276 A JP 341276A JP 341276 A JP341276 A JP 341276A JP S5286713 A JPS5286713 A JP S5286713A
Authority
JP
Japan
Prior art keywords
modulating wave
demodulating circuit
muting system
angular
wave demodulating
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.)
Granted
Application number
JP341276A
Other languages
Japanese (ja)
Other versions
JPS5927131B2 (en
Inventor
Masaru Hashimoto
Yoshiaki Shimizu
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP341276A priority Critical patent/JPS5927131B2/en
Publication of JPS5286713A publication Critical patent/JPS5286713A/en
Publication of JPS5927131B2 publication Critical patent/JPS5927131B2/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 or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems

Landscapes

  • Noise Elimination (AREA)

Abstract

PURPOSE:To reject noise and the abonrmal noise in detuning, by cutting off the rectifying transistor consittuting the peak detectin circuit with the muting control signal, in case of no angular modulating wave signal input.
JP341276A 1976-01-14 1976-01-14 Muting method in angular modulated wave demodulation circuit Expired JPS5927131B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP341276A JPS5927131B2 (en) 1976-01-14 1976-01-14 Muting method in angular modulated wave demodulation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP341276A JPS5927131B2 (en) 1976-01-14 1976-01-14 Muting method in angular modulated wave demodulation circuit

Publications (2)

Publication Number Publication Date
JPS5286713A true JPS5286713A (en) 1977-07-19
JPS5927131B2 JPS5927131B2 (en) 1984-07-03

Family

ID=11556656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP341276A Expired JPS5927131B2 (en) 1976-01-14 1976-01-14 Muting method in angular modulated wave demodulation circuit

Country Status (1)

Country Link
JP (1) JPS5927131B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01105725U (en) * 1987-12-30 1989-07-17

Also Published As

Publication number Publication date
JPS5927131B2 (en) 1984-07-03

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