JPH0331789U - - Google Patents
Info
- Publication number
- JPH0331789U JPH0331789U JP9311789U JP9311789U JPH0331789U JP H0331789 U JPH0331789 U JP H0331789U JP 9311789 U JP9311789 U JP 9311789U JP 9311789 U JP9311789 U JP 9311789U JP H0331789 U JPH0331789 U JP H0331789U
- Authority
- JP
- Japan
- Prior art keywords
- variable
- supplied
- resistor
- current
- current source
- 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.)
- Granted
Links
- 230000001629 suppression Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
Description
第１図は本考案一実施例の回路図、第２図は従
来技術の回路図、第３図は第２図の回路における
カソード電圧の波形図である。
１……可変定電流源、２……可変電流増幅器、
３……変動抑制回路（レベル変動抑制手段）、Ｑ
１，Ｑ２，Ｑ３，Ｑ４，Ｑ５，Ｑ６……トランジ
スタ、Ｒ６，Ｒ１１，Ｒ１２，Ｒ１３……抵抗、
Ｃ４……コンデンサ。
FIG. 1 is a circuit diagram of an embodiment of the present invention, FIG. 2 is a circuit diagram of a conventional technique, and FIG. 3 is a waveform diagram of the cathode voltage in the circuit of FIG. 1... variable constant current source, 2... variable current amplifier,
3... Fluctuation suppression circuit (level fluctuation suppression means), Q
1 , Q 2 , Q 3 , Q 4 , Q 5 , Q 6 ...transistor, R 6 , R 11 , R 12 , R 13 ... resistance,
C4 ...Capacitor.
Claims (1)
に接続される抵抗と、可変定電流源と、可変電流
増幅手段とを備え、前記可変定電流源における電
流と前記可変電流増幅手段における電流の電流差
が前記抵抗に供給される映像出力回路において、 前記可変定電流源に接続され、入力される映像
信号に応じて、前記抵抗に供給される電流差を制
御するレベル変動抑制手段を備えることを特徴と
する映像出力回路。[Claims for Utility Model Registration] Comprising a resistor connected to a cathode terminal of a cathode ray tube to which a video signal is supplied, a variable constant current source, and variable current amplification means, the current in the variable constant current source and the variable current amplification means are provided. In a video output circuit in which a current difference between currents in the means is supplied to the resistor, level fluctuation suppression is connected to the variable constant current source and controls the current difference supplied to the resistor in accordance with an input video signal. A video output circuit characterized by comprising means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9311789U JPH08710Y2 (en) | 1989-08-08 | 1989-08-08 | Video output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9311789U JPH08710Y2 (en) | 1989-08-08 | 1989-08-08 | Video output circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0331789U true JPH0331789U (en) | 1991-03-27 |
| JPH08710Y2 JPH08710Y2 (en) | 1996-01-10 |
Family
ID=31642516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9311789U Expired - Lifetime JPH08710Y2 (en) | 1989-08-08 | 1989-08-08 | Video output circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08710Y2 (en) |
-
1989
- 1989-08-08 JP JP9311789U patent/JPH08710Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08710Y2 (en) | 1996-01-10 |
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