JPS59127367U - clamp circuit - Google Patents
clamp circuitInfo
- Publication number
- JPS59127367U JPS59127367U JP1943983U JP1943983U JPS59127367U JP S59127367 U JPS59127367 U JP S59127367U JP 1943983 U JP1943983 U JP 1943983U JP 1943983 U JP1943983 U JP 1943983U JP S59127367 U JPS59127367 U JP S59127367U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- emitter
- clamp circuit
- npn
- transistor
- 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
- Picture Signal Circuits (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図は従来例を示す回路図、第２図はクランプ出力の
一例を示す波形図、第３図は本考案の− ′実施例を示
す回路図である。
１・・・・・・入力端子、２・・・・・・ＰＮＰ型トラ
ンジスタ、３・・・・・・定電流源、４・・・・・・コ
ンデンサ、５・・・・・・ＮＰＮ型トランジスタ、６・
・・・・・定電圧源、８・・・・・・出力端子。FIG. 1 is a circuit diagram showing a conventional example, FIG. 2 is a waveform diagram showing an example of a clamp output, and FIG. 3 is a circuit diagram showing a -' embodiment of the present invention. 1... Input terminal, 2... PNP type transistor, 3... Constant current source, 4... Capacitor, 5... NPN type Transistor, 6.
... Constant voltage source, 8 ... Output terminal.
Claims (1)
エミッタに定電流源を接続し、このエミッタをコンデン
サの一端に接続畝このコンデンサの他端をクランプ用の
ＮＰＮ型トランジスタのエミッタに接続し、このＮＰＮ
型トランジスタのベースに定電圧源を接続し、上記コン
デンサの上記他端よりクランプ出力を取り出すことを特
徴とするクランプ回路。A constant current source is connected to the emitter of a PNP transistor whose base is supplied with an input signal, and this emitter is connected to one end of a capacitor.The other end of this capacitor is connected to the emitter of an NPN transistor for clamping, and this NPN
A clamp circuit characterized in that a constant voltage source is connected to the base of the type transistor, and a clamp output is taken out from the other end of the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1943983U JPS59127367U (en) | 1983-02-15 | 1983-02-15 | clamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1943983U JPS59127367U (en) | 1983-02-15 | 1983-02-15 | clamp circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59127367U true JPS59127367U (en) | 1984-08-27 |
Family
ID=30150582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1943983U Pending JPS59127367U (en) | 1983-02-15 | 1983-02-15 | clamp circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59127367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62190977A (en) * | 1986-02-17 | 1987-08-21 | Sony Corp | Automatic level control circuit |
-
1983
- 1983-02-15 JP JP1943983U patent/JPS59127367U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62190977A (en) * | 1986-02-17 | 1987-08-21 | Sony Corp | Automatic level control circuit |
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