JPS5864167U

JPS5864167U - Waveform shaping circuit

Info

Publication number: JPS5864167U
Application number: JP15904181U
Authority: JP
Inventors: 清高橋
Original assignee: 株式会社東芝
Priority date: 1981-10-27
Filing date: 1981-10-27
Publication date: 1983-04-30

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

[Brief explanation of drawings]

第１図はモニタ・テレビの映像信号及び同期信号のタイ
ミングと、画面に映し出される映像との関係を示す説明
図、第２図は本考案の実施される水平ＡＦＣ回路の回路
構成図、第３図は本考案の波形整形回路の回路図、第４
図は第３図の１段目積分回路の電圧波形図、第５図は２
段目積分回路の電圧波形図、第６図は抵抗Ｒ２の効果を
説明する波形図である。３・・・・・・水平ＡＦＣ回路、４・・・・・・位相弁
別器、５・・・・・・フライバック・トランス、６・・
・・・・波形整形回路、７・・・・・・フィルタ、８・
・・・・・水平発振回路、９・・・・・・水平ドライブ
及び水継出力回路、Ｐ・・・・・・水平出力フライバラ
、り・パルス、Ｒ□、　Ｒ２，Ｒ３・・・・・・抵抗、
Ｃ工、Ｃ２・・・・・・コンデンサ、ａ、ｂ・・・・・
・接続点、Ｌ・・・・・・比較レベル、１ｏ、　１□＋
　ｔ２・・・・・・位相関係を示す時間、δｔ・・・・
・・位相可変範囲。Fig. 1 is an explanatory diagram showing the relationship between the timing of the video signal and synchronization signal of a monitor/TV and the image displayed on the screen, Fig. 2 is a circuit configuration diagram of a horizontal AFC circuit in which the present invention is implemented, and Fig. 3 Figure 4 is a circuit diagram of the waveform shaping circuit of the present invention.
The figure is a voltage waveform diagram of the first stage integration circuit in Figure 3, and Figure 5 is the voltage waveform diagram of the first stage integration circuit in Figure 3.
A voltage waveform diagram of the stage integration circuit, FIG. 6, is a waveform diagram illustrating the effect of the resistor R2. 3...Horizontal AFC circuit, 4...Phase discriminator, 5...Flyback transformer, 6...
...Waveform shaping circuit, 7...Filter, 8.
...Horizontal oscillation circuit, 9...Horizontal drive and water joint output circuit, P...Horizontal output fly rose, R/Pulse, R□, R2, R3... ·resistance,
C engineering, C2... Capacitor, a, b...
・Connection point, L...Comparison level, 1o, 1□+
t2...Time showing phase relationship, δt...
...Phase variable range.

Claims

[Scope of utility model registration request]

In the waveform shaping circuit of the horizontal AFC circuit that integrates the horizontal output flyback pulse to form a sawtooth wave voltage, this waveform shaping circuit is composed of a two-stage integration circuit consisting of a resistor and a capacitor, and the first stage and second stage are integrated. A waveform shaping circuit characterized in that a resistor is connected in series to each of the capacitors of the integrating circuit in the first stage, and one of these resistors is made variable.