JPS6085447U - noise blanker circuit - Google Patents

noise blanker circuit

Info

Publication number
JPS6085447U
JPS6085447U JP17934983U JP17934983U JPS6085447U JP S6085447 U JPS6085447 U JP S6085447U JP 17934983 U JP17934983 U JP 17934983U JP 17934983 U JP17934983 U JP 17934983U JP S6085447 U JPS6085447 U JP S6085447U
Authority
JP
Japan
Prior art keywords
circuit
noise
detector
output
noise amplifier
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
JP17934983U
Other languages
Japanese (ja)
Other versions
JPH0139000Y2 (en
Inventor
真 岡田
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.)
Icom Inc
Original Assignee
Icom Inc
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 Icom Inc filed Critical Icom Inc
Priority to JP17934983U priority Critical patent/JPS6085447U/en
Publication of JPS6085447U publication Critical patent/JPS6085447U/en
Application granted granted Critical
Publication of JPH0139000Y2 publication Critical patent/JPH0139000Y2/ja
Granted legal-status Critical Current

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Landscapes

  • Noise Elimination (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のノイズブランカ回路の各部の動作電圧を
示し、回ａ図は入力信号、同す図は検波器の出力信号お
よび同Ｃ図はゲート制御回路のゲート閉信号をそれぞれ
示す波形図、第゛２図はこの考案のノイズブランカ回路
の一実施例の結線図、第３図は第２図の各部の動作電圧
を示し、同ａ図は入力信号、同す図は検波器の出力信号
および同Ｃ図はゲート制御回路のゲート閉信号をそれぞ
れ示す波形図である。 １・・・ノイズゲート、２，３，４・・・ノイズアンプ
、５・・・検波器、６・・・ゲート制御回路、７・・・
ＡＧＣ回路、訃・・ＩＪ　ミツター回路。Figure 1 shows the operating voltages of various parts of a conventional noise blanker circuit, where Figure A is a waveform diagram showing the input signal, Figure C is a waveform diagram showing the output signal of the detector, and Figure C is the gate closing signal of the gate control circuit. , Figure 2 is a wiring diagram of one embodiment of the noise blanker circuit of this invention, Figure 3 shows the operating voltage of each part in Figure 2, Figure a shows the input signal, and the same figure shows the output of the detector. Signal and Figure C are waveform diagrams showing the gate close signal of the gate control circuit, respectively. 1... Noise gate, 2, 3, 4... Noise amplifier, 5... Detector, 6... Gate control circuit, 7...
AGC circuit, death...IJ Mitzter circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ノイズアンプの出力を検出する検波器と、該検波器の出
力電圧がスレッショルドレベル以上であるか否かにより
ノイズゲートを開閉制御するゲート制御回路と、前記検
波器の出力により前記ノイズアンプの利得を可変制御す
るＡＧＣ回路とを具備して成るノイズブランカ回路にお
いて、前記ノイズアンプと検波器との間に、該ノイズア
ンプの出力レベルヲ箭記スレッショルドレベルより僅か
に高めに制限するりミツター回路を介挿接続して成るこ
とを特徴とするノイズブランカ回路。a detector for detecting the output of the noise amplifier; a gate control circuit for controlling the opening and closing of the noise gate depending on whether the output voltage of the detector is above a threshold level; and a gate control circuit for controlling the gain of the noise amplifier based on the output of the detector. In the noise blanker circuit comprising a variable control AGC circuit, a limiter circuit is inserted between the noise amplifier and the detector to limit the output level of the noise amplifier to slightly higher than a specified threshold level. A noise blanker circuit characterized by being connected.
JP17934983U 1983-11-18 1983-11-18 noise blanker circuit Granted JPS6085447U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17934983U JPS6085447U (en) 1983-11-18 1983-11-18 noise blanker circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17934983U JPS6085447U (en) 1983-11-18 1983-11-18 noise blanker circuit

Publications (2)

Publication Number Publication Date
JPS6085447U true JPS6085447U (en) 1985-06-12
JPH0139000Y2 JPH0139000Y2 (en) 1989-11-21

Family

ID=30389156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17934983U Granted JPS6085447U (en) 1983-11-18 1983-11-18 noise blanker circuit

Country Status (1)

Country Link
JP (1) JPS6085447U (en)

Also Published As

Publication number Publication date
JPH0139000Y2 (en) 1989-11-21

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