JPH0358024U - - Google Patents
Info
- Publication number
- JPH0358024U JPH0358024U JP11908989U JP11908989U JPH0358024U JP H0358024 U JPH0358024 U JP H0358024U JP 11908989 U JP11908989 U JP 11908989U JP 11908989 U JP11908989 U JP 11908989U JP H0358024 U JPH0358024 U JP H0358024U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- collector
- voltage
- amplifier circuit
- current source
- 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
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Amplifiers (AREA)
Description
第１図はこの考案の第１の実施例の接続図、第
２図はこの考案の一実施例の説明に用いる接続図
、第３図はこの考案の第２の実施例の接続図、第
４図はこの考案の第３の実施例の接続図、第５図
はこの考案の第４の実施例の接続図、第６図〜第
８図は従来のエミツタ接地増幅回路の接続図であ
る。
図面における主要な符号の説明、１……エミツ
タ接地増幅回路を構成するトランジスタ、４……
負荷抵抗、６……入力端子、７……出力端子、１
１，１２……差動回路を構成するトランジスタ、
１７……可動電流源を構成するトランジスタ。
Fig. 1 is a connection diagram of a first embodiment of this invention, Fig. 2 is a connection diagram used to explain an embodiment of this invention, and Fig. 3 is a connection diagram of a second embodiment of this invention. Figure 4 is a connection diagram of a third embodiment of this invention, Figure 5 is a connection diagram of a fourth embodiment of this invention, and Figures 6 to 8 are connection diagrams of a conventional emitter grounded amplifier circuit. . Explanation of main symbols in the drawings: 1...Transistor constituting a grounded emitter amplifier circuit, 4...
Load resistance, 6...Input terminal, 7...Output terminal, 1
1, 12...Transistors forming a differential circuit,
17...Transistor constituting a movable current source.
Claims (1)
と、 上記トランジスタのコレクタに接続される負荷
抵抗と、 上記トランジスタに対して電流を流し込む可動
電流源と、 上記トランジスタのコレクタの直流電圧が基準
電圧と等しくなるように、上記可動電流源を制御
する制御回路とを有し、 上記トランジスタのベースに入力信号を供給し
、上記トランジスタのコレクタから出力信号を取
り出すようにした増幅回路。[Claims for Utility Model Registration] A transistor constituting a common-emitter amplifier circuit, a load resistor connected to the collector of the transistor, a movable current source that flows current into the transistor, and a DC voltage at the collector of the transistor. and a control circuit for controlling the movable current source so that the voltage is equal to a reference voltage, the amplifier circuit is configured to supply an input signal to the base of the transistor and extract an output signal from the collector of the transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11908989U JPH0358024U (en) | 1989-10-11 | 1989-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11908989U JPH0358024U (en) | 1989-10-11 | 1989-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0358024U true JPH0358024U (en) | 1991-06-05 |
Family
ID=31667230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11908989U Pending JPH0358024U (en) | 1989-10-11 | 1989-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0358024U (en) |
-
1989
- 1989-10-11 JP JP11908989U patent/JPH0358024U/ja active Pending