JPS62103308U - - Google Patents
Info
- Publication number
- JPS62103308U JPS62103308U JP19509685U JP19509685U JPS62103308U JP S62103308 U JPS62103308 U JP S62103308U JP 19509685 U JP19509685 U JP 19509685U JP 19509685 U JP19509685 U JP 19509685U JP S62103308 U JPS62103308 U JP S62103308U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- collector
- resistor
- emitter
- whose
- 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
Landscapes
- Amplifiers (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
は従来の局部帰還型増幅回路、第３図は従来の全
体帰還型増幅回路を示す。
ＴＲ１，ＴＲ２：トランジスタ、Ａ：オペアン
プ、Ｃ１：コンデンサ、Ｌ１：インダクタンス。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a conventional local feedback amplifier circuit, and FIG. 3 is a conventional global feedback amplifier circuit. TR1, TR2: transistor, A: operational amplifier, C 1 : capacitor, L 1 : inductance.
Claims (1)
接地した第１のトランジスタと、前記トランジス
タのコレクタにベースを接続し、エミツタを接地
した第２のトランジスタと、第２のトランジスタ
のコレクタと第１のトランジスタのエミツタの間
に直列に接続したインダクタと抵抗を設け第１の
帰還路とし、第２のトランジスタのベースとコレ
クタの間に直列に接続したコンデンサと抵抗を設
け第２の帰還路を設けたことを特徴とする負帰還
増幅回路。 a first transistor whose base is an input terminal and whose emitter is grounded through a resistor; a second transistor whose base is connected to the collector of the transistor and whose emitter is grounded; and the collector of the second transistor and the first transistor. An inductor and a resistor connected in series between the emitter of the transistor are provided as a first feedback path, and a capacitor and a resistor are connected in series between the base and collector of the second transistor to provide a second feedback path. A negative feedback amplifier circuit featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19509685U JPS62103308U (en) | 1985-12-20 | 1985-12-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19509685U JPS62103308U (en) | 1985-12-20 | 1985-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62103308U true JPS62103308U (en) | 1987-07-01 |
Family
ID=31152671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19509685U Pending JPS62103308U (en) | 1985-12-20 | 1985-12-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62103308U (en) |
-
1985
- 1985-12-20 JP JP19509685U patent/JPS62103308U/ja active Pending
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