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
Links
- 230000003321 amplification Effects 0.000 claims description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
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)
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.
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56119806A (en) * | 1980-01-28 | 1981-09-19 | Russell John D | Strain gauge |
-
1990
- 1990-03-13 JP JP1990024418U patent/JP2520219Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56119806A (en) * | 1980-01-28 | 1981-09-19 | Russell John D | Strain gauge |
Cited By (1)
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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