JPS58159030A - スケルチ検出回路付中間周波増幅器 - Google Patents

スケルチ検出回路付中間周波増幅器

Info

Publication number
JPS58159030A
JPS58159030A JP4120082A JP4120082A JPS58159030A JP S58159030 A JPS58159030 A JP S58159030A JP 4120082 A JP4120082 A JP 4120082A JP 4120082 A JP4120082 A JP 4120082A JP S58159030 A JPS58159030 A JP S58159030A
Authority
JP
Japan
Prior art keywords
voltage
agc
signal level
squelch
input signal
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
JP4120082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6313609B2 (enExample
Inventor
Toshio Saikai
西海　敏夫
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4120082A priority Critical patent/JPS58159030A/ja
Publication of JPS58159030A publication Critical patent/JPS58159030A/ja
Publication of JPS6313609B2 publication Critical patent/JPS6313609B2/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
    • H03G3/341—Muting when no signals or only weak signals are present

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Noise Elimination (AREA)
JP4120082A 1982-03-16 1982-03-16 スケルチ検出回路付中間周波増幅器 Granted JPS58159030A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4120082A JPS58159030A (ja) 1982-03-16 1982-03-16 スケルチ検出回路付中間周波増幅器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4120082A JPS58159030A (ja) 1982-03-16 1982-03-16 スケルチ検出回路付中間周波増幅器

Publications (2)

Publication Number Publication Date
JPS58159030A true JPS58159030A (ja) 1983-09-21
JPS6313609B2 JPS6313609B2 (enExample) 1988-03-26

Family

ID=12601773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4120082A Granted JPS58159030A (ja) 1982-03-16 1982-03-16 スケルチ検出回路付中間周波増幅器

Country Status (1)

Country Link
JP (1) JPS58159030A (enExample)

Also Published As

Publication number Publication date
JPS6313609B2 (enExample) 1988-03-26

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