JPS59111360U - Sawtooth wave AFC signal generation circuit - Google Patents
Sawtooth wave AFC signal generation circuitInfo
- Publication number
- JPS59111360U JPS59111360U JP461783U JP461783U JPS59111360U JP S59111360 U JPS59111360 U JP S59111360U JP 461783 U JP461783 U JP 461783U JP 461783 U JP461783 U JP 461783U JP S59111360 U JPS59111360 U JP S59111360U
- Authority
- JP
- Japan
- Prior art keywords
- sawtooth wave
- signal
- generation circuit
- signal generation
- gate
- 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
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図は従来ののこぎり波ＡＦＣ信号発生回路の回路図
、第２図及び第３図は第１図の回路の動作波形図、第４
図は本考案の実施例のブロック図、第５図は第４図のブ
ロックの各部動作波形図である。 −
主要部分の符号の説明、１・・・・・・微分回路、２・
・・・・・位相比較器、３・・・・・・積分器、４・・
・・・・ゲート回路、５・０・拳・ゲートパルス発生器
。Figure 1 is a circuit diagram of a conventional sawtooth AFC signal generation circuit, Figures 2 and 3 are operational waveform diagrams of the circuit in Figure 1, and Figure 4
The figure is a block diagram of an embodiment of the present invention, and FIG. 5 is an operation waveform diagram of each part of the block in FIG. 4. - Explanation of the symbols of the main parts, 1...Differential circuit, 2.
...Phase comparator, 3...Integrator, 4...
...Gate circuit, 5.0.Fist.Gate pulse generator.
Claims (2)
号との位相差に応じて自動周波数制御信号を発生するの
こぎり波ＡＦＣ信号発生回路であって、水平同期信号の
周期を有するゲート信号番発生する手段と、このゲート
信号により前記同期信号入力をゲートするゲート手段と
を有し、このゲート手段の出力と前記のこぎり波との位
相差を検出するようにしたことを特徴とするのこぎり波
ＡＦＣ信号発生回路。(1) A sawtooth wave AFC signal generation circuit that generates an automatic frequency control signal according to the phase difference between a sawtooth wave having a horizontal synchronization signal frequency and a synchronization signal, and generates a gate signal number having a period of the horizontal synchronization signal. and a gate means for gating the synchronization signal input using the gate signal, and a phase difference between the output of the gate means and the sawtooth wave is detected. circuit.
じるフライバックパルスに基づいて得うレる信号である
ことを特徴とする実用新案登録請求の範囲第１項記載の
のこぎり波ＡＦＣ信号発生回路＝(2) The sawtooth wave AFC signal generation circuit according to claim 1, wherein the gate signal is a signal obtained based on a flyback pulse generated by a flyback transformer=
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP461783U JPS59111360U (en) | 1983-01-17 | 1983-01-17 | Sawtooth wave AFC signal generation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP461783U JPS59111360U (en) | 1983-01-17 | 1983-01-17 | Sawtooth wave AFC signal generation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59111360U true JPS59111360U (en) | 1984-07-27 |
Family
ID=30136212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP461783U Pending JPS59111360U (en) | 1983-01-17 | 1983-01-17 | Sawtooth wave AFC signal generation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59111360U (en) |
-
1983
- 1983-01-17 JP JP461783U patent/JPS59111360U/en active Pending
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