JPS6372922U - - Google Patents
Info
- Publication number
- JPS6372922U JPS6372922U JP16660686U JP16660686U JPS6372922U JP S6372922 U JPS6372922 U JP S6372922U JP 16660686 U JP16660686 U JP 16660686U JP 16660686 U JP16660686 U JP 16660686U JP S6372922 U JPS6372922 U JP S6372922U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- emitter
- reference potential
- current source
- collector
- 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 2
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Description
第１図は、本考案のリミツタアンプの一実施例
を示す回路構成図、第２図は従来のリミツタアン
プの回路構成図である。
Ｑ１，Ｑ２０，Ｑ３…トランジスタ、Ｓ１，Ｓ
２…電流源、ｎ…エミツタ面積比。
FIG. 1 is a circuit diagram showing an embodiment of the limiter amplifier of the present invention, and FIG. 2 is a circuit diagram of a conventional limiter amplifier. Q 1 , Q 20 , Q 3 ...transistor, S 1 , S
2 ...Current source, n...Emitter area ratio.
Claims (1)
を第１の入力端とする第１のトランジスタと、こ
の第１のトランジスタとエミツタを相互共通に接
続し、そのベースを第２の入力端とする第２のト
ランジスタと、この第２のトランジスタのコレク
タにエミツタが接続されると共に前記第１の基準
電位にコレクタが接続され、ベースを第３の入力
端とする第３のトランジスタと、この第３のトラ
ンジスタのエミツタに接続される出力端と、前記
第１、第２のトランジスタの共通エミツタと第２
の基準電位間に接続される第１の電流源と、前記
出力端と前記第２の基準電位間に接続される第２
の電流源とを具備して成るリミツタアンプにおい
て、前記第１、第２のトランジスタのエミツタ面
積比を異ならしたことを特徴とするリミツタアン
プ。 A first transistor whose collector is connected to a first reference potential and whose base is a first input terminal; the first transistor and the emitter are commonly connected to each other, and whose base is a second input terminal; a second transistor, a third transistor having an emitter connected to the collector of the second transistor, a collector connected to the first reference potential, and a base serving as a third input terminal; an output end connected to the emitter of the transistor, a common emitter of the first and second transistors, and a second
a first current source connected between the reference potential of and a second current source connected between the output terminal and the second reference potential of
A limiter amplifier comprising a current source, wherein the first and second transistors have different emitter area ratios.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16660686U JPS6372922U (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16660686U JPS6372922U (en) | 1986-10-31 | 1986-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6372922U true JPS6372922U (en) | 1988-05-16 |
Family
ID=31097747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16660686U Pending JPS6372922U (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6372922U (en) |
-
1986
- 1986-10-31 JP JP16660686U patent/JPS6372922U/ja active Pending