JPS6045531U - Variable phase pulse generation circuit - Google Patents
Variable phase pulse generation circuitInfo
- Publication number
- JPS6045531U JPS6045531U JP1983139531U JP13953183U JPS6045531U JP S6045531 U JPS6045531 U JP S6045531U JP 1983139531 U JP1983139531 U JP 1983139531U JP 13953183 U JP13953183 U JP 13953183U JP S6045531 U JPS6045531 U JP S6045531U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- voltage
- generation circuit
- pulse generation
- variable phase
- 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
Landscapes
- Synchronizing For Television (AREA)
- Pulse Circuits (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図は本出願人が先に提案したテレビジョン受像機の
水平同期システムの概略構成を示すブロック図、第２図
はそれに使用した従来の可変位相パルス作成回路を示す
回路図、第３図はその動作説明用の波形図である。第４
図は本考案による可変位相パルス作成回路の一実施例を
示す回路図、第５図はその動作説明用の波形図である。
Ｒ１，Ｃ１・・・鋸歯状波電圧作成用の抵抗とコンデン
サ、ＴＲ４，ＴＲ５・・・第１第２のトランジスタ、Ｔ
Ｒ７，ＴＲ８・・・第３第４のトランジスタ、Ｒ３・・
・負荷抵抗、Ｒ４，Ｒ５・・・分圧抵抗、１３・・・制
御端子、１４・・・出力端子。
第２図
−第３図Fig. 1 is a block diagram showing a schematic configuration of a horizontal synchronization system for a television receiver that the applicant previously proposed, Fig. 2 is a circuit diagram showing a conventional variable phase pulse generation circuit used therein, and Fig. 3 is a waveform diagram for explaining the operation. Fourth
The figure is a circuit diagram showing an embodiment of the variable phase pulse generating circuit according to the present invention, and FIG. 5 is a waveform diagram for explaining its operation. R1, C1...Resistor and capacitor for creating sawtooth wave voltage, TR4, TR5...First and second transistor, T
R7, TR8...Third and fourth transistor, R3...
- Load resistance, R4, R5... voltage dividing resistor, 13... control terminal, 14... output terminal. Figure 2-Figure 3
Claims (1)
のトランジスタからなる第２差動対が構成され、その第
１トランジスタ及び第３トランジスタの各ベースに共通
に一定の繰り返し周期をもつ鋸歯状波電圧ｉ印加し、第
１第４トランジスタの各コレクタを電源に接続した同一
の負荷抵抗に対して共通接続すると共に、前記電源に一
端側が接続された分圧抵抗の他端側に上記電源より゛も
低電圧の可変制御電圧を印加し、上記分圧抵抗の分圧中
点に第２トランジスタのベースを接続し、且つ、第４ト
ランジスタのベースを上記分圧抵抗の他端側に接続し、
前記第１第４トランジスタのコレク、タ共通接続点から
出力パルスを得るようにした可変位相パルス作成回路。A first differential pair consisting of a first and second transistor, and a third and fourth transistor.
A second differential pair is constructed of transistors, and a sawtooth wave voltage i having a constant repetition period is commonly applied to the bases of the first transistor and the third transistor, and the collectors of the first and fourth transistors are A variable control voltage that is lower than the power source is applied to the other end of the voltage dividing resistor whose one end is connected to the power source, and the voltage is applied to the voltage divider resistor. The base of the second transistor is connected to the voltage dividing midpoint of the resistor, and the base of the fourth transistor is connected to the other end of the voltage dividing resistor,
A variable phase pulse generation circuit configured to obtain an output pulse from a common connection point between collectors and collectors of the first and fourth transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983139531U JPS6045531U (en) | 1983-09-07 | 1983-09-07 | Variable phase pulse generation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983139531U JPS6045531U (en) | 1983-09-07 | 1983-09-07 | Variable phase pulse generation circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6045531U true JPS6045531U (en) | 1985-03-30 |
| JPH0246114Y2 JPH0246114Y2 (en) | 1990-12-05 |
Family
ID=30312704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983139531U Granted JPS6045531U (en) | 1983-09-07 | 1983-09-07 | Variable phase pulse generation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6045531U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5379360A (en) * | 1976-12-23 | 1978-07-13 | Matsushita Electric Ind Co Ltd | Trigger pulse generating circuit |
-
1983
- 1983-09-07 JP JP1983139531U patent/JPS6045531U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5379360A (en) * | 1976-12-23 | 1978-07-13 | Matsushita Electric Ind Co Ltd | Trigger pulse generating circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0246114Y2 (en) | 1990-12-05 |
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