JPS5988923U - differential amplifier - Google Patents
differential amplifierInfo
- Publication number
- JPS5988923U JPS5988923U JP18451282U JP18451282U JPS5988923U JP S5988923 U JPS5988923 U JP S5988923U JP 18451282 U JP18451282 U JP 18451282U JP 18451282 U JP18451282 U JP 18451282U JP S5988923 U JPS5988923 U JP S5988923U
- Authority
- JP
- Japan
- Prior art keywords
- differential amplifier
- transistor
- cascode
- amplifier
- current mirror
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の差動アンプの１例を示す回路図、第２図
はアンプのミラー効果による影響を説明する図、第３図
は第１図の回路のミラー効果を考慮した等価回路図、第
４図は従来の差動アンプの他の例の回路図、第５図は第
４図の回路のミラー効果を考慮した等価回路図、第６図
乃至第９図は本考案の実施例を示す回路図、第１０図は
本考案の１応用例の回路図である。
主要部分の符号の説明、１，２・・・・・・差動トラン
ジスタ、３・・・・・・定Ｎ流ｔ ４． ５・・・・・
・カレントミラートランジスタ、７，９．１１・・・・
・・カスコードトランジスタ。Figure 1 is a circuit diagram showing an example of a conventional differential amplifier, Figure 2 is a diagram explaining the influence of the Miller effect on the amplifier, and Figure 3 is an equivalent circuit diagram of the circuit in Figure 1 taking into account the Miller effect. , Fig. 4 is a circuit diagram of another example of a conventional differential amplifier, Fig. 5 is an equivalent circuit diagram of the circuit of Fig. 4 taking into account the Miller effect, and Figs. 6 to 9 are examples of the present invention. FIG. 10 is a circuit diagram of one application example of the present invention. Explanation of symbols of main parts: 1, 2... Differential transistor, 3... Constant N current t 4. 5...
・Current mirror transistor, 7, 9.11...
...Cascode transistor.
Claims (1)
トランジスタ及び前記カレントミラー負荷を構成するト
ランジスタの少くとも１方とカスコード接続されたカス
コードトランジスタを有し、このカスコードトランジス
タの出力からアンプ出力を得るようにしたことを特徴と
する差動アンプ。A differential amplifier having a current mirror load, the differential amplifier having a cascode transistor connected in cascode to at least one of the differential transistor and the transistor constituting the current mirror load, and obtaining the amplifier output from the output of the cascode transistor. A differential amplifier characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18451282U JPS5988923U (en) | 1982-12-06 | 1982-12-06 | differential amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18451282U JPS5988923U (en) | 1982-12-06 | 1982-12-06 | differential amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5988923U true JPS5988923U (en) | 1984-06-16 |
Family
ID=30399055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18451282U Pending JPS5988923U (en) | 1982-12-06 | 1982-12-06 | differential amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5988923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012044259A (en) * | 2010-08-12 | 2012-03-01 | Fuji Electric Co Ltd | Charge detection circuit |
-
1982
- 1982-12-06 JP JP18451282U patent/JPS5988923U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012044259A (en) * | 2010-08-12 | 2012-03-01 | Fuji Electric Co Ltd | Charge detection circuit |
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