JPS61124095U - - Google Patents
Info
- Publication number
- JPS61124095U JPS61124095U JP885685U JP885685U JPS61124095U JP S61124095 U JPS61124095 U JP S61124095U JP 885685 U JP885685 U JP 885685U JP 885685 U JP885685 U JP 885685U JP S61124095 U JPS61124095 U JP S61124095U
- Authority
- JP
- Japan
- Prior art keywords
- ttl level
- gate circuit
- level video
- input
- output terminals
- 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
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案にかかる映像増幅回路の一実
施例を示す回路図、第２図は従来の映像増幅回路
を示す回路図である。
１，２…映像信号、３，４…ゲート回路、５…
可変抵抗器、６，７…抵抗器、１０…トランジス
タ、１１…可変抵抗器。
FIG. 1 is a circuit diagram showing an embodiment of the video amplification circuit according to this invention, and FIG. 2 is a circuit diagram showing a conventional video amplification circuit. 1, 2...Video signal, 3, 4...Gate circuit, 5...
Variable resistor, 6, 7...Resistor, 10...Transistor, 11...Variable resistor.
Claims (1)
１のゲート回路と、第２のＴＴＬレベルの映像信
号が入力される第２のゲート回路と、上記第１、
第２のゲート回路の出力端子のそれぞれに抵抗器
を介して接続された可変電圧源と、上記第１、第
２のゲート回路の出力端子の間に接続された可変
抵抗器とを備え、上記可変抵抗器の中点から上記
第１、第２のＴＴＬレベルの映像信号の合成信号
を取出すようにしたことを特徴とする映像増幅回
路。 a first gate circuit to which a first TTL level video signal is input; a second gate circuit to which a second TTL level video signal is input;
a variable voltage source connected to each of the output terminals of the second gate circuit via a resistor, and a variable resistor connected between the output terminals of the first and second gate circuits; A video amplification circuit characterized in that a composite signal of the first and second TTL level video signals is extracted from the midpoint of the variable resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP885685U JPS61124095U (en) | 1985-01-23 | 1985-01-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP885685U JPS61124095U (en) | 1985-01-23 | 1985-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61124095U true JPS61124095U (en) | 1986-08-05 |
Family
ID=30488527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP885685U Pending JPS61124095U (en) | 1985-01-23 | 1985-01-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61124095U (en) |
-
1985
- 1985-01-23 JP JP885685U patent/JPS61124095U/ja active Pending
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