JPS6190312U - - Google Patents
Info
- Publication number
- JPS6190312U JPS6190312U JP17634584U JP17634584U JPS6190312U JP S6190312 U JPS6190312 U JP S6190312U JP 17634584 U JP17634584 U JP 17634584U JP 17634584 U JP17634584 U JP 17634584U JP S6190312 U JPS6190312 U JP S6190312U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- white
- differential pair
- clipped
- inverting amplifier
- 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 4
Landscapes
- Television Signal Processing For Recording (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Description
第１図及び第２図は本考案のホワイトクリツプ
回路の基本回路図、第３図及び第４図は同回路の
一実施例を示す回路図、第５図及び第６図は従来
の同回路の回路図、第７図は本考案回路の説明特
性図を示す。
主な図番の説明、４…入力端子、６…出力端子
、８…反転増幅器、９…第１の基準電圧源、１０
…第２の基準電圧源、１２…定電流源、１３…エ
ミツタ抵抗、１４…コレクタ抵抗、１５…差動対
。
Figures 1 and 2 are basic circuit diagrams of the white clip circuit of the present invention, Figures 3 and 4 are circuit diagrams showing an embodiment of the same circuit, and Figures 5 and 6 are conventional circuit diagrams of the same circuit. FIG. 7 shows an explanatory characteristic diagram of the circuit of the present invention. Explanation of main figure numbers, 4...Input terminal, 6...Output terminal, 8...Inverting amplifier, 9...First reference voltage source, 10
...Second reference voltage source, 12... Constant current source, 13... Emitter resistance, 14... Collector resistance, 15... Differential pair.
Claims (1)
エミツタが各々共通接続した一対のトランジスタ
より成る差動対と、該差動対に設けた負荷とより
構成され、前記の一方のトランジスタのベースに
前記反転増幅器の出力端を接続すると共に他方の
トランジスタのベースを基準電圧源に接続し、前
記入力端子に加えられるビデオ信号を前記差動対
によりホワイトクリツプし、前記負荷の一端に接
続した出力端子より出力信号を導出することを特
徴としたホワイトクリツプ回路。 It consists of an inverting amplifier connected to an input terminal, a differential pair consisting of a pair of transistors whose collectors and emitters are connected in common, and a load provided to the differential pair. The output terminal of the inverting amplifier is connected and the base of the other transistor is connected to a reference voltage source, the video signal applied to the input terminal is white-clipped by the differential pair, and the video signal applied to the input terminal is white-clipped from the output terminal connected to one end of the load. A white clip circuit characterized by deriving an output signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17634584U JPS6190312U (en) | 1984-11-20 | 1984-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17634584U JPS6190312U (en) | 1984-11-20 | 1984-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6190312U true JPS6190312U (en) | 1986-06-12 |
Family
ID=30733944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17634584U Pending JPS6190312U (en) | 1984-11-20 | 1984-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6190312U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS527293A (en) * | 1975-07-08 | 1977-01-20 | Nissan Motor Co Ltd | Oxygen sensor |
| JPS54158144A (en) * | 1978-05-30 | 1979-12-13 | Hitachi Denshi Ltd | Black clipping circuit |
| JPS60103707A (en) * | 1983-11-10 | 1985-06-08 | Fujitsu Ltd | Low distortion limiter circuit |
-
1984
- 1984-11-20 JP JP17634584U patent/JPS6190312U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS527293A (en) * | 1975-07-08 | 1977-01-20 | Nissan Motor Co Ltd | Oxygen sensor |
| JPS54158144A (en) * | 1978-05-30 | 1979-12-13 | Hitachi Denshi Ltd | Black clipping circuit |
| JPS60103707A (en) * | 1983-11-10 | 1985-06-08 | Fujitsu Ltd | Low distortion limiter circuit |
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