JPS6074384U - Video output circuit - Google Patents
Video output circuitInfo
- Publication number
- JPS6074384U JPS6074384U JP16473683U JP16473683U JPS6074384U JP S6074384 U JPS6074384 U JP S6074384U JP 16473683 U JP16473683 U JP 16473683U JP 16473683 U JP16473683 U JP 16473683U JP S6074384 U JPS6074384 U JP S6074384U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- transistors
- luminance signal
- output circuit
- video output
- 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)
- Processing Of Color Television Signals (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図は従来の映像出力回路を示す回路図、第２図は本
考案の一実施゛例を示す回路図である。
１・・・・・・色差信号源、３・・・・・・輝度信号源
、７・・・・・・第１の映像増幅トランジスタ、１０・
・・・・・第２の映像増幅トランジスタ、１３・・・・
・・ブラウン管、１６ ＼・・・・・・フライバックト
ランス巻線、１９・・・・・・第３の映像増幅トランジ
スタ。FIG. 1 is a circuit diagram showing a conventional video output circuit, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Color difference signal source, 3... Luminance signal source, 7... First video amplification transistor, 10...
...Second video amplification transistor, 13...
... Braun tube, 16 \ ... flyback transformer winding, 19 ... third video amplification transistor.
Claims (1)
輝度信号を増幅してブラウン管を駆動する映像増幅回路
において、第１、第２、第３の各トランジスタを備え、
第１のトランジスタのベースに色差信号を加え、該トラ
ンジスタのエミッタに輝度信号を加え、第１のトランジ
スタのコレクタに第２のトランジスタのベースを、第１
のトランジスタのエミッタに第３のトランジスタのベー
スを夫々接続し、前記第２のトランジスタのエミッタと
第３のトランジスタのコレクタを互に接続をし、該接続
点にブラウン管のカソードを接続すると共に前記第３の
トランジスタのエミッタを抵抗を介して接地して構成す
ることを特徴とする映 ”像出力回路。A video amplification circuit that inputs a color difference signal and a luminance signal and amplifies a primary color luminance signal of the difference between them to drive a cathode ray tube, comprising first, second, and third transistors,
A color difference signal is applied to the base of the first transistor, a luminance signal is applied to the emitter of the first transistor, a base of the second transistor is applied to the collector of the first transistor, and a luminance signal is applied to the emitter of the first transistor.
The bases of the third transistors are connected to the emitters of the transistors, the emitters of the second transistors and the collectors of the third transistor are connected to each other, and the cathode of the cathode ray tube is connected to the connection point. A video output circuit characterized in that the emitter of the transistor No. 3 is grounded via a resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16473683U JPS6074384U (en) | 1983-10-26 | 1983-10-26 | Video output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16473683U JPS6074384U (en) | 1983-10-26 | 1983-10-26 | Video output circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6074384U true JPS6074384U (en) | 1985-05-24 |
Family
ID=30361095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16473683U Pending JPS6074384U (en) | 1983-10-26 | 1983-10-26 | Video output circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6074384U (en) |
-
1983
- 1983-10-26 JP JP16473683U patent/JPS6074384U/en active Pending
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