JPH044467U - - Google Patents
Info
- Publication number
- JPH044467U JPH044467U JP4388290U JP4388290U JPH044467U JP H044467 U JPH044467 U JP H044467U JP 4388290 U JP4388290 U JP 4388290U JP 4388290 U JP4388290 U JP 4388290U JP H044467 U JPH044467 U JP H044467U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- collector
- output circuit
- power supply
- 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
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Picture Signal Circuits (AREA)
Description
第１図は本考案一実施例の要部回路図、第２図
は基本的な映像出力回路の要部回路図、第３図は
ツエナーダイオードの等価回路図、第４図は本考
案回路の他の実施例の要部回路図である。
Ｑ１……トランジスタ（第１トランジスタ）、
Ｑ２……トランジスタ（第２トランジスタ）、Ｂ
１……直流電源（第１直流電源）、Ｂ２……直流
電源、Ｂ３……直流電源（第２直流電源）、Ｄ１
……ツエナーダイオード（定電圧手段）、Ｒ２，
Ｒ６……抵抗、Ｖｋ……映像出力電圧。
Figure 1 is a circuit diagram of the main parts of an embodiment of the present invention, Figure 2 is a circuit diagram of the main parts of a basic video output circuit, Figure 3 is an equivalent circuit diagram of a Zener diode, and Figure 4 is a circuit diagram of the circuit of the present invention. FIG. 7 is a main circuit diagram of another embodiment. Q1 ...transistor (first transistor),
Q 2 ...transistor (second transistor), B
1 ...DC power supply (first DC power supply), B2 ...DC power supply, B3 ...DC power supply (second DC power supply), D1
... Zener diode (constant voltage means), R 2 ,
R6 ...Resistance, Vk...Video output voltage.
Claims (1)
スタと、コレクタに第１直流電源が接続されエミ
ツタが前記第１トランジスタのコレクタと接続さ
れた第２トランジスタとを備え、該第２トランジ
スタのコレクタの出力がブラウン管のカソード端
子へと出力される映像出力回路において、 一端が第２トランジスタのコレクタに接続され
、他端がカソード端子と第２直流電源に接続され
る定電圧手段を具備することを特徴とする映像出
力回路。 (2) 前記定電圧手段は、ツエナーダイオードで
あることを特徴とする請求項１記載の映像出力回
路。[Claims for Utility Model Registration] (1) A first transistor that inputs a video signal as a base, and a second transistor whose collector is connected to a first DC power supply and whose emitter is connected to the collector of the first transistor. , in a video output circuit in which the output of the collector of the second transistor is output to the cathode terminal of the cathode ray tube, one end is connected to the collector of the second transistor, and the other end is connected to the cathode terminal and the second DC power supply. A video output circuit characterized by comprising voltage means. (2) The video output circuit according to claim 1, wherein the constant voltage means is a Zener diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4388290U JPH044467U (en) | 1990-04-24 | 1990-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4388290U JPH044467U (en) | 1990-04-24 | 1990-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH044467U true JPH044467U (en) | 1992-01-16 |
Family
ID=31556684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4388290U Pending JPH044467U (en) | 1990-04-24 | 1990-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH044467U (en) |
-
1990
- 1990-04-24 JP JP4388290U patent/JPH044467U/ja active Pending