JPS6244583U - - Google Patents

Info

Publication number
JPS6244583U
JPS6244583U JP13622385U JP13622385U JPS6244583U JP S6244583 U JPS6244583 U JP S6244583U JP 13622385 U JP13622385 U JP 13622385U JP 13622385 U JP13622385 U JP 13622385U JP S6244583 U JPS6244583 U JP S6244583U
Authority
JP
Japan
Prior art keywords
transistor
collector
base
capacitor
emitter
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
JP13622385U
Other languages
English (en)
Other versions
JPH0321110Y2 (ja
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 filed Critical
Priority to JP1985136223U priority Critical patent/JPH0321110Y2/ja
Publication of JPS6244583U publication Critical patent/JPS6244583U/ja
Application granted granted Critical
Publication of JPH0321110Y2 publication Critical patent/JPH0321110Y2/ja
Expired legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の実施例の回路図、第２図は第
１図の実施例の動作を説明するタイムチヤート、
第３図は従来例の回路図、第４図は第３図の従来
例の動作を示すタイムチヤートである。 （主な記号）Ａ……直流ループ閉成、ダイヤル
パルス中継用リレー、ａ……リレーＡの接点、Ｑ
……直流ループインピーダンス設定用トランジス
タ、Ｄ……交流信号遮断用スイツチングダイオー
ド、Ｃ１……交流信号バイパス用コンデンサ、Ｃ
２……直流阻止、ベース電流増大用コンデンサ、
Ｒ２……ベース電流供給用抵抗。

Claims (1)

    【実用新案登録請求の範囲】
  1. トランジスタのコレクタ、ベース間に抵抗を、
    ベース、エミツタ間に第１のコンデンサをそれぞ
    れ接続して当該トランジスタのエミツタ、コレク
    タ間で直流ループを形成するようにした回路に於
    いて、上記トランジスタのコレクタ、ベース間に
    、第２のコンデンサとダイオードを含む直列回路
    を接続した直流ループ形成回路。
JP1985136223U 1985-09-05 1985-09-05 Expired JPH0321110Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985136223U JPH0321110Y2 (ja) 1985-09-05 1985-09-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985136223U JPH0321110Y2 (ja) 1985-09-05 1985-09-05

Publications (2)

Publication Number Publication Date
JPS6244583U true JPS6244583U (ja) 1987-03-18
JPH0321110Y2 JPH0321110Y2 (ja) 1991-05-08

Family

ID=31039140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985136223U Expired JPH0321110Y2 (ja) 1985-09-05 1985-09-05

Country Status (1)

Country Link
JP (1) JPH0321110Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60107995A (ja) * 1983-11-16 1985-06-13 Oki Electric Ind Co Ltd 通話路直流ル−プ回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60107995A (ja) * 1983-11-16 1985-06-13 Oki Electric Ind Co Ltd 通話路直流ル−プ回路

Also Published As

Publication number Publication date
JPH0321110Y2 (ja) 1991-05-08

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