JPS5251802A - Telephone amplifier circuit - Google Patents

Telephone amplifier circuit

Info

Publication number
JPS5251802A
JPS5251802A JP50127298A JP12729875A JPS5251802A JP S5251802 A JPS5251802 A JP S5251802A JP 50127298 A JP50127298 A JP 50127298A JP 12729875 A JP12729875 A JP 12729875A JP S5251802 A JPS5251802 A JP S5251802A
Authority
JP
Japan
Prior art keywords
amplifier circuit
telephone amplifier
telephone
satisfy
transmission
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.)
Pending
Application number
JP50127298A
Other languages
Japanese (ja)
Inventor
Kunioki Oyagi
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.)
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
Original Assignee
Iwatsu Electric Co Ltd
Iwasaki Tsushinki KK
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 Iwatsu Electric Co Ltd, Iwasaki Tsushinki KK filed Critical Iwatsu Electric Co Ltd
Priority to JP50127298A priority Critical patent/JPS5251802A/en
Publication of JPS5251802A publication Critical patent/JPS5251802A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers

Abstract

PURPOSE:The switching circuit is equipped at DC supply output side in order to satisfy the amplification dynamic range, etc. which is required for telephone communication of transmission/reception amplifiers.
JP50127298A 1975-10-24 1975-10-24 Telephone amplifier circuit Pending JPS5251802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50127298A JPS5251802A (en) 1975-10-24 1975-10-24 Telephone amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50127298A JPS5251802A (en) 1975-10-24 1975-10-24 Telephone amplifier circuit

Publications (1)

Publication Number Publication Date
JPS5251802A true JPS5251802A (en) 1977-04-26

Family

ID=14956492

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50127298A Pending JPS5251802A (en) 1975-10-24 1975-10-24 Telephone amplifier circuit

Country Status (1)

Country Link
JP (1) JPS5251802A (en)

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