JPH0170414U - - Google Patents
Info
- Publication number
- JPH0170414U JPH0170414U JP1987164681U JP16468187U JPH0170414U JP H0170414 U JPH0170414 U JP H0170414U JP 1987164681 U JP1987164681 U JP 1987164681U JP 16468187 U JP16468187 U JP 16468187U JP H0170414 U JPH0170414 U JP H0170414U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- low frequency
- frequency amplifier
- output
- output stage
- 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
Links
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Amplifiers (AREA)
Description
図は本考案の一実施例を示す回路図である。
主な図番の説明、１……電圧増幅部、３，４…
…ドライバトランジスタ、５，６……出力トラン
ジスタ、７……バイアス回路、８……第１抵抗、
９……直列回路、１６……帰還抵抗。
The figure is a circuit diagram showing an embodiment of the present invention. Explanation of main figure numbers, 1... Voltage amplification section, 3, 4...
... Driver transistor, 5, 6 ... Output transistor, 7 ... Bias circuit, 8 ... First resistor,
9...Series circuit, 16...Feedback resistor.
Claims (1)
ＰＰ回路により構成されると共に該出力段の出力
点に発生する直流電圧を電圧増幅部に負帰還する
帰還路を有する低周波増幅器であつて、前記ドラ
イバ段を構成するそれぞれのドライバトランジス
タのエミツタ間に接続されたバイアス動作用の第
１抵抗と、該第１抵抗に並列に接続されていると
共に互いに直列接続された第２及び第３抵抗から
構成された直列回路とを備え、該直列回路の第２
抵抗と第３抵抗との接続点を前記出力段の出力点
に接続した低周波増幅器。 The driver stage and output stage that become the power amplification section are SE
The low frequency amplifier is constituted by a PP circuit and has a feedback path for negative feedback of the DC voltage generated at the output point of the output stage to the voltage amplification section, and the low frequency amplifier has a feedback path that negatively feeds back the DC voltage generated at the output point of the output stage to the voltage amplifying section, and the low frequency amplifier A series circuit including a first resistor for bias operation connected to the first resistor, and a second and third resistor connected in parallel to the first resistor and connected in series with each other, Second
A low frequency amplifier in which a connection point between the resistor and the third resistor is connected to an output point of the output stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164681U JPH0170414U (en) | 1987-10-28 | 1987-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987164681U JPH0170414U (en) | 1987-10-28 | 1987-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0170414U true JPH0170414U (en) | 1989-05-10 |
Family
ID=31450504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987164681U Pending JPH0170414U (en) | 1987-10-28 | 1987-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0170414U (en) |
-
1987
- 1987-10-28 JP JP1987164681U patent/JPH0170414U/ja active Pending