JPH0324729U - - Google Patents

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Publication number
JPH0324729U
JPH0324729U JP1989085108U JP8510889U JPH0324729U JP H0324729 U JPH0324729 U JP H0324729U JP 1989085108 U JP1989085108 U JP 1989085108U JP 8510889 U JP8510889 U JP 8510889U JP H0324729 U JPH0324729 U JP H0324729U
Authority
JP
Japan
Prior art keywords
power amplifier
low
power
pass filter
transmitting
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
JP1989085108U
Other languages
English (en)
Other versions
JPH0520019Y2 (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 JP1989085108U priority Critical patent/JPH0520019Y2/ja
Publication of JPH0324729U publication Critical patent/JPH0324729U/ja
Application granted granted Critical
Publication of JPH0520019Y2 publication Critical patent/JPH0520019Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Transceivers (AREA)
  • Transmitters (AREA)

Description

【図面の簡単な説明】
第1図はこの考案に係る通信機の電力増幅器の
実施例を示すブロツク図である。第2図A,B,
Cは従来例のブロツク図である。 主な符号の説明、1……信号源、2……励振電
力増幅器、3a……電力切替器、3b……送受信
切替器、3c……電源切替器、4……終段電力増
幅器、5……送受信切替器、6……受信用ローパ
スフイルタ、7……送受信兼用ローパスフイルタ
、8……空中線、9……小電力伝送路、10……
終段電力増幅器用電源。

Claims (1)

  1. 【実用新案登録請求の範囲】 励振電力増幅器と、終段電力増幅器と、送受信
    兼用ローパスフイルタ回路とで構成される通信機
    の電力増幅器において、 上記励振電力増幅器の出力信号を終段電力増幅
    器を通さずに、受信用ローパスフイルタを介して
    送受信兼用ローパスフイルタに送出して構成した
    小電力送信伝送路と、小電力送信時に終段電力増
    幅器に供給する電源をオフさせる電源切替器と、
    前記受信用ローパスフイルタを切替える送受信切
    替器とを設けたことを特徴とする通信機の電力増
    幅器。
JP1989085108U 1989-07-21 1989-07-21 Expired - Lifetime JPH0520019Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989085108U JPH0520019Y2 (ja) 1989-07-21 1989-07-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989085108U JPH0520019Y2 (ja) 1989-07-21 1989-07-21

Publications (2)

Publication Number Publication Date
JPH0324729U true JPH0324729U (ja) 1991-03-14
JPH0520019Y2 JPH0520019Y2 (ja) 1993-05-26

Family

ID=31634042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989085108U Expired - Lifetime JPH0520019Y2 (ja) 1989-07-21 1989-07-21

Country Status (1)

Country Link
JP (1) JPH0520019Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005046054A1 (ja) * 2003-11-11 2005-05-19 Fujitsu Limited 半導体装置、無線端末装置及び無線通信機器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005046054A1 (ja) * 2003-11-11 2005-05-19 Fujitsu Limited 半導体装置、無線端末装置及び無線通信機器
US7684780B2 (en) 2003-11-11 2010-03-23 Fujitsu Microelectronics Limited Semiconductor device, radio terminal device, and radio communication equipment

Also Published As

Publication number Publication date
JPH0520019Y2 (ja) 1993-05-26

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