JPS5888416U - Bias circuit for transistor amplifier - Google Patents
Bias circuit for transistor amplifierInfo
- Publication number
- JPS5888416U JPS5888416U JP14019382U JP14019382U JPS5888416U JP S5888416 U JPS5888416 U JP S5888416U JP 14019382 U JP14019382 U JP 14019382U JP 14019382 U JP14019382 U JP 14019382U JP S5888416 U JPS5888416 U JP S5888416U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- collector
- amplifier
- resistor
- bias circuit
- 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)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のバイアス回路の一例を示す原理図、第２
図は第１図のバイアス回路を用いた場合のコレクタ電流
と入出力の特性を示す図、第３図 。
は本考案のバイアス回路の一実施例を示す原理図、第４
図は第３図のバイアス回路の実際使用状態の一実施例を
示す回路図、第５図は本考案のバイアス回路を使用した
場合のコレクタ電流と入出力の特性を示す図である。
ＴＲ□・・・増巾用トランジスタ、Ｒ□、Ｒ２・・・分
圧抵抗、Ｒ３・・・コレクタ抵抗、Ｐ□・・・入力端子
、Ｒ２・・・出力端子、１・・・入力端子、２．５・・
・抵抗、３・・・定電圧素子、４，６・・・ｎｐｎ形ト
ランジスタ、７・・・コレクタ抵抗、８・・・出力端子
、９・・・入力整合回路、１０・・・ベース負荷、１１
．１２・・・バイパスコンデンサ、１３・・・コレクタ
負荷、１４・・・出力整合回路。Figure 1 is a principle diagram showing an example of a conventional bias circuit;
The figure shows the collector current and input/output characteristics when using the bias circuit of Figure 1, and Figure 3. 4 is a principle diagram showing an embodiment of the bias circuit of the present invention.
This figure is a circuit diagram showing an example of the actual use of the bias circuit of FIG. 3, and FIG. 5 is a diagram showing collector current and input/output characteristics when the bias circuit of the present invention is used. TR□...Width increasing transistor, R□, R2...Voltage dividing resistor, R3...Collector resistor, P□...Input terminal, R2...Output terminal, 1...Input terminal, 2.5...
・Resistor, 3... Constant voltage element, 4, 6... NPN type transistor, 7... Collector resistor, 8... Output terminal, 9... Input matching circuit, 10... Base load, 11
．． 12... Bypass capacitor, 13... Collector load, 14... Output matching circuit.
Claims (1)
ランジスタのコレクタはコレクタ負荷を−経てコレクタ
抵抗、電源へと直列に接続し、帰還用トランジスタのコ
レクタはコレクタ抵抗ヲ介して電源に直列に接続し、か
つベースを前記増巾用トランジスタの前記コレクタ負荷
と前記コレクタ抵抗の接続点に接続し、さらに該イ還用
トランジスタのエミッタを定電圧素子、前記増巾用トラ
ンジスタのベース負荷を経て前記増巾用トランジスタの
ベースに接続し、前記定電圧素子と前記増巾用トランジ
スターのベース負荷との接続点と接地との間に抵抗を接
続したことを特徴とするトランジスタ増巾器のバイアス
回路。In a grounded emitter type transistor amplifier, the collector of the amplifier transistor is connected in series to the collector resistor and the power supply through the collector load, and the collector of the feedback transistor is connected in series to the power supply through the collector resistor. and the base is connected to the connection point between the collector load of the amplifier transistor and the collector resistor, and the emitter of the amplifier transistor is connected to a constant voltage element, and the base load of the amplifier transistor is connected to the amplifier transistor. 1. A bias circuit for a transistor amplifier, characterized in that a resistor is connected to a base of a transistor, and a resistor is connected between a connection point between the constant voltage element and the base load of the amplifier transistor and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14019382U JPS5888416U (en) | 1982-09-16 | 1982-09-16 | Bias circuit for transistor amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14019382U JPS5888416U (en) | 1982-09-16 | 1982-09-16 | Bias circuit for transistor amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5888416U true JPS5888416U (en) | 1983-06-15 |
Family
ID=29933364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14019382U Pending JPS5888416U (en) | 1982-09-16 | 1982-09-16 | Bias circuit for transistor amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5888416U (en) |
-
1982
- 1982-09-16 JP JP14019382U patent/JPS5888416U/en active Pending
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