JPS5421213A - Muting unit - Google Patents

Muting unit

Info

Publication number
JPS5421213A
JPS5421213A JP8691777A JP8691777A JPS5421213A JP S5421213 A JPS5421213 A JP S5421213A JP 8691777 A JP8691777 A JP 8691777A JP 8691777 A JP8691777 A JP 8691777A JP S5421213 A JPS5421213 A JP S5421213A
Authority
JP
Japan
Prior art keywords
muting
muting unit
level
outputting
avoid
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
JP8691777A
Other languages
Japanese (ja)
Other versions
JPS5645534B2 (en
Inventor
Yasuhiro Fujita
Onori Murakami
Shiro Mizutani
Kazuyuki Yamaguchi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP8691777A priority Critical patent/JPS5421213A/en
Publication of JPS5421213A publication Critical patent/JPS5421213A/en
Publication of JPS5645534B2 publication Critical patent/JPS5645534B2/ja
Granted 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 make easy the setting of muting level and to avoid the error due to set level, by receiving the two types of signals from the muting input with the same means and by outputting the muting output from a common means.
JP8691777A 1977-07-19 1977-07-19 Muting unit Granted JPS5421213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8691777A JPS5421213A (en) 1977-07-19 1977-07-19 Muting unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8691777A JPS5421213A (en) 1977-07-19 1977-07-19 Muting unit

Publications (2)

Publication Number Publication Date
JPS5421213A true JPS5421213A (en) 1979-02-17
JPS5645534B2 JPS5645534B2 (en) 1981-10-27

Family

ID=13900196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8691777A Granted JPS5421213A (en) 1977-07-19 1977-07-19 Muting unit

Country Status (1)

Country Link
JP (1) JPS5421213A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4865826A (en) * 1971-12-11 1973-09-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4865826A (en) * 1971-12-11 1973-09-10

Also Published As

Publication number Publication date
JPS5645534B2 (en) 1981-10-27

Similar Documents

Publication Publication Date Title
JPS53108739A (en) Amplifier circuit
JPS5421213A (en) Muting unit
JPS52137964A (en) Preset counter
JPS5434644A (en) Input/output circiut
JPS5382152A (en) Sampling circuit
JPS5232609A (en) Receiver
JPS5347877A (en) Signal detector
JPS5389646A (en) Automatic gain control circuit
JPS5432208A (en) Time sharing digital communication unit
JPS52116061A (en) Checkin unit for digital circuit
JPS5354446A (en) Trap circuit
JPS5289046A (en) Automatic balanced amplification circuit
JPS5260544A (en) Signal converter circuit
JPS5432216A (en) Time sharing digital communication unit
JPS535553A (en) Amplifier
JPS5321561A (en) Pulse signal circuit
JPS5432205A (en) Time sharing digital communication unit
JPS51131289A (en) Signal detector
JPS5374309A (en) Adaptive echo eraser
JPS51124360A (en) Non-coincident circuit
JPS5433978A (en) Function setting system
JPS5418655A (en) Phase array antenna
JPS5432207A (en) Time sharing digital communication unit
JPS52124848A (en) Digital phase detection circuit
JPS53142809A (en) Reception unit