JPH03115415U - - Google Patents

Info

Publication number
JPH03115415U
JPH03115415U JP2441890U JP2441890U JPH03115415U JP H03115415 U JPH03115415 U JP H03115415U JP 2441890 U JP2441890 U JP 2441890U JP 2441890 U JP2441890 U JP 2441890U JP H03115415 U JPH03115415 U JP H03115415U
Authority
JP
Japan
Prior art keywords
amplification stage
voltage
output
power
voltage amplification
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
JP2441890U
Other languages
Japanese (ja)
Other versions
JP2520219Y2 (en
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 JP1990024418U priority Critical patent/JP2520219Y2/en
Publication of JPH03115415U publication Critical patent/JPH03115415U/ja
Application granted granted Critical
Publication of JP2520219Y2 publication Critical patent/JP2520219Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)

Description

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

第１図は、本考案の電力増幅器の実施例のブロ
ツク図、第２図は、本考案の電力増幅器の実施例
の回路図、第３図は、本考案の電力増幅器におけ
る電圧増幅段の他の実施例、第４図は、従来の一
般的な負帰還電力増幅器のブロツク図、第５図は
、従来の他の負帰還電力増幅器の回路図、第６図
は、第５図の回路のブロツク図である。 １１……入力端子、１２……第１の電圧増幅段
、１３……第２の電圧増幅段、１４……トランス
インピーダンス増幅段、１５……電力増幅段、Ｒ
……第１の抵抗、Ｒ５……第２の抵抗、Ｒ６……
第３の抵抗。 FIG. 1 is a block diagram of an embodiment of the power amplifier of the present invention, FIG. 2 is a circuit diagram of an embodiment of the power amplifier of the present invention, and FIG. 3 is a block diagram of an embodiment of the power amplifier of the present invention. 4 is a block diagram of a conventional general negative feedback power amplifier, FIG. 5 is a circuit diagram of another conventional negative feedback power amplifier, and FIG. 6 is a diagram of the circuit of FIG. It is a block diagram. 11...Input terminal, 12...First voltage amplification stage, 13...Second voltage amplification stage, 14...Transimpedance amplification stage, 15...Power amplification stage, R
...First resistance, R5 ...Second resistance, R6 ...
Third resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 高インピーダンスの入力と低インピーダンスの
出力とを有する第１の電圧増幅段と第２の電圧増
幅段と、前記第１の電圧増幅段に信号を入力する
入力端子と、前記第１の電圧増幅段の出力と第２
の電圧増幅段の出力との間に接続された第１の抵
抗と、前記第１の電圧増幅段の出力電流に比例し
た電圧を得るためのトランスインピーダンス増幅
段と、前記トランスインピーダンス増幅段より得
た電圧を電力増幅する電力増幅段と、前記電力増
幅段の出力電圧を第２の抵抗と第３の抵抗とで分
圧して前記第２の電圧増幅段の入力に電圧負帰還
を施す負帰還回路とを有することを特徴とする電
力増幅器。 a first voltage amplification stage and a second voltage amplification stage having a high impedance input and a low impedance output; an input terminal for inputting a signal to the first voltage amplification stage; and a first voltage amplification stage. and the output of the second
a first resistor connected between the output of the voltage amplification stage, a transimpedance amplification stage for obtaining a voltage proportional to the output current of the first voltage amplification stage; a power amplification stage for power amplifying the voltage output from the power amplification stage; and negative feedback for dividing the output voltage of the power amplification stage between a second resistor and a third resistor to provide negative voltage feedback to the input of the second voltage amplification stage. A power amplifier comprising a circuit.
JP1990024418U 1990-03-13 1990-03-13 Power amplifier Expired - Lifetime JP2520219Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990024418U JP2520219Y2 (en) 1990-03-13 1990-03-13 Power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990024418U JP2520219Y2 (en) 1990-03-13 1990-03-13 Power amplifier

Publications (2)

Publication Number Publication Date
JPH03115415U true JPH03115415U (en) 1991-11-28
JP2520219Y2 JP2520219Y2 (en) 1996-12-11

Family

ID=31527380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990024418U Expired - Lifetime JP2520219Y2 (en) 1990-03-13 1990-03-13 Power amplifier

Country Status (1)

Country Link
JP (1) JP2520219Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101363302B1 (en) * 2013-09-23 2014-02-25 (주)성무 Negative feedback circuit applied audio amplifier

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119806A (en) * 1980-01-28 1981-09-19 Russell John D Strain gauge

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119806A (en) * 1980-01-28 1981-09-19 Russell John D Strain gauge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101363302B1 (en) * 2013-09-23 2014-02-25 (주)성무 Negative feedback circuit applied audio amplifier

Also Published As

Publication number Publication date
JP2520219Y2 (en) 1996-12-11

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