JPH036730U - - Google Patents

Info

Publication number
JPH036730U
JPH036730U JP6620389U JP6620389U JPH036730U JP H036730 U JPH036730 U JP H036730U JP 6620389 U JP6620389 U JP 6620389U JP 6620389 U JP6620389 U JP 6620389U JP H036730 U JPH036730 U JP H036730U
Authority
JP
Japan
Prior art keywords
processing device
discontinuity
converts
communication
signal processing
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
JP6620389U
Other languages
English (en)
Other versions
JPH0615308Y2 (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 JP1989066203U priority Critical patent/JPH0615308Y2/ja
Publication of JPH036730U publication Critical patent/JPH036730U/ja
Application granted granted Critical
Publication of JPH0615308Y2 publication Critical patent/JPH0615308Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Input From Keyboards Or The Like (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の実施例であるキーイング回
路を示すブロツク図、第２図ａ，ｂおよびｃは同
実施例における信号のタイムチヤート、第３図は
従来のキーイング回路を示すブロツク図である。 １……電鍵、２……デジタル信号処理装置、３
……ミキサ、４……局部発振器、５，６，７……
ＲＦアンプ、８……タイミング回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. デジタル信号処理装置を用いて発生させたＣＷ
    信号を通信に使用する周波数に変換して送信する
    送信機またはトランシーバにおいて、電鍵の断続
    情報をデジタル信号処理装置に与えＣＷ符号を発
    生させると共に、上記変換された数端数の増幅部
    も電鍵の断続情報からタイミングをずらした信号
    で断続させることを特徴とするキーイング回路。
JP1989066203U 1989-06-08 1989-06-08 キーイング回路 Expired - Lifetime JPH0615308Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989066203U JPH0615308Y2 (ja) 1989-06-08 1989-06-08 キーイング回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989066203U JPH0615308Y2 (ja) 1989-06-08 1989-06-08 キーイング回路

Publications (2)

Publication Number Publication Date
JPH036730U true JPH036730U (ja) 1991-01-23
JPH0615308Y2 JPH0615308Y2 (ja) 1994-04-20

Family

ID=31598712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989066203U Expired - Lifetime JPH0615308Y2 (ja) 1989-06-08 1989-06-08 キーイング回路

Country Status (1)

Country Link
JP (1) JPH0615308Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020043429A (ja) * 2018-09-07 2020-03-19 株式会社東芝 変調器及び信号伝送システム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5873210A (ja) * 1981-10-27 1983-05-02 Nec Corp パルス動作増幅回路

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5873210A (ja) * 1981-10-27 1983-05-02 Nec Corp パルス動作増幅回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020043429A (ja) * 2018-09-07 2020-03-19 株式会社東芝 変調器及び信号伝送システム

Also Published As

Publication number Publication date
JPH0615308Y2 (ja) 1994-04-20

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term