JPS5856540A - 着信信号レベル検出回路 - Google Patents

着信信号レベル検出回路

Info

Publication number
JPS5856540A
JPS5856540A JP56154604A JP15460481A JPS5856540A JP S5856540 A JPS5856540 A JP S5856540A JP 56154604 A JP56154604 A JP 56154604A JP 15460481 A JP15460481 A JP 15460481A JP S5856540 A JPS5856540 A JP S5856540A
Authority
JP
Japan
Prior art keywords
circuit
incoming signal
signal level
signal
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
JP56154604A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6233778B2 (enrdf_load_stackoverflow
Inventor
Isao Nakazawa
中沢 勇夫
Masaharu Akutsu
阿久津 正治
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56154604A priority Critical patent/JPS5856540A/ja
Publication of JPS5856540A publication Critical patent/JPS5856540A/ja
Publication of JPS6233778B2 publication Critical patent/JPS6233778B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3005Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Measurement Of Current Or Voltage (AREA)
JP56154604A 1981-09-29 1981-09-29 着信信号レベル検出回路 Granted JPS5856540A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56154604A JPS5856540A (ja) 1981-09-29 1981-09-29 着信信号レベル検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56154604A JPS5856540A (ja) 1981-09-29 1981-09-29 着信信号レベル検出回路

Publications (2)

Publication Number Publication Date
JPS5856540A true JPS5856540A (ja) 1983-04-04
JPS6233778B2 JPS6233778B2 (enrdf_load_stackoverflow) 1987-07-22

Family

ID=15587807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56154604A Granted JPS5856540A (ja) 1981-09-29 1981-09-29 着信信号レベル検出回路

Country Status (1)

Country Link
JP (1) JPS5856540A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008258738A (ja) * 2007-04-02 2008-10-23 Mitsubishi Electric Corp 検波対数増幅器
CN105182062A (zh) * 2015-10-22 2015-12-23 江苏绿扬电子仪器集团有限公司 一种高精度宽带宽交流毫伏表

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008258738A (ja) * 2007-04-02 2008-10-23 Mitsubishi Electric Corp 検波対数増幅器
CN105182062A (zh) * 2015-10-22 2015-12-23 江苏绿扬电子仪器集团有限公司 一种高精度宽带宽交流毫伏表

Also Published As

Publication number Publication date
JPS6233778B2 (enrdf_load_stackoverflow) 1987-07-22

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