JPS58166114U - power amplifier circuit - Google Patents

power amplifier circuit

Info

Publication number
JPS58166114U
JPS58166114U JP6251082U JP6251082U JPS58166114U JP S58166114 U JPS58166114 U JP S58166114U JP 6251082 U JP6251082 U JP 6251082U JP 6251082 U JP6251082 U JP 6251082U JP S58166114 U JPS58166114 U JP S58166114U
Authority
JP
Japan
Prior art keywords
amplifier circuit
power amplifier
ambient temperature
field effect
effect transistor
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
JP6251082U
Other languages
Japanese (ja)
Inventor
浩 小野
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP6251082U priority Critical patent/JPS58166114U/en
Publication of JPS58166114U publication Critical patent/JPS58166114U/en
Pending legal-status Critical Current

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  • Amplifiers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の電力増幅回路を示す回路図、第２図〜第
４図はそれぞれ第１図の回路による出力及び効率特性を
示す図、第５図は本考案の一実施例を示す回路図、第６
図は第５図の回路による出力及び効率特性の一例を示す
図、第７図は本考案の他の実施例の一部を示１回路図で
ある。 Ｔｌｌ・・・・・・入力端子、Ｔ１２・・・・・・出力
端子、Ｑｌｌ・・・・・・ＭＯＳ　　ＦＥＴ、　Ｌ・・
・電源平滑用チョーク、Ｃ・・・−・・電源平滑用コン
デンサ、Ｄ１〜Ｄ３・・・・・・ダイオード、Ｓ１〜Ｓ
３・・・・・・熱検知スイッチ、Ｄ１１〜Ｄ１３・・・
・・・整流器、Ｔ・・・・・・電源トランス。Figure 1 is a circuit diagram showing a conventional power amplifier circuit, Figures 2 to 4 are diagrams each showing the output and efficiency characteristics of the circuit in Figure 1, and Figure 5 is a circuit diagram showing an embodiment of the present invention. Figure, 6th
This figure is a diagram showing an example of the output and efficiency characteristics of the circuit of FIG. 5, and FIG. 7 is a circuit diagram showing a part of another embodiment of the present invention. Tll...Input terminal, T12...Output terminal, Qll...MOS FET, L...
・Power supply smoothing choke, C...--Power supply smoothing capacitor, D1-D3...Diode, S1-S
3...Heat detection switch, D11-D13...
... Rectifier, T... Power transformer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ゲートに入力信号が加えられドレインから出力信号が抽
出される電界効果トランジスタを用いた電力増幅回路に
おいて、周囲温度を検出し、周囲温度が上昇すると前記
電界効果トランジスタのドレイン電圧が低下するように
電源電圧を制御することを特徴とする電力増幅回路。In a power amplification circuit using a field effect transistor in which an input signal is applied to the gate and an output signal is extracted from the drain, the ambient temperature is detected and the power source is set so that the drain voltage of the field effect transistor decreases as the ambient temperature rises. A power amplifier circuit characterized by controlling voltage.
JP6251082U 1982-04-28 1982-04-28 power amplifier circuit Pending JPS58166114U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6251082U JPS58166114U (en) 1982-04-28 1982-04-28 power amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6251082U JPS58166114U (en) 1982-04-28 1982-04-28 power amplifier circuit

Publications (1)

Publication Number Publication Date
JPS58166114U true JPS58166114U (en) 1983-11-05

Family

ID=30072661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6251082U Pending JPS58166114U (en) 1982-04-28 1982-04-28 power amplifier circuit

Country Status (1)

Country Link
JP (1) JPS58166114U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63113312U (en) * 1987-01-16 1988-07-21

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63113312U (en) * 1987-01-16 1988-07-21

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