JPS6123769U - Synchronous separation circuit - Google Patents
Synchronous separation circuitInfo
- Publication number
- JPS6123769U JPS6123769U JP10916184U JP10916184U JPS6123769U JP S6123769 U JPS6123769 U JP S6123769U JP 10916184 U JP10916184 U JP 10916184U JP 10916184 U JP10916184 U JP 10916184U JP S6123769 U JPS6123769 U JP S6123769U
- Authority
- JP
- Japan
- Prior art keywords
- synchronous separation
- circuit
- time constant
- synchronous
- separation circuit
- 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
Landscapes
- Synchronizing For Television (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図は本実施例回路の回路図、第２図は従来回路の回
路図、第３図は波形説明図。
Ｔ１・・・・・・同期分離駆動トランジスタ、１・・・
・・・時定数回路、Ｔ２・・・・・・同期分離トランジ
スタ、６・・・・・・積分回路、Ｔ４・・・・・・スイ
ッチングトランジスタ、Ｔ５・・・・・・放電トランジ
スタ。FIG. 1 is a circuit diagram of the circuit of this embodiment, FIG. 2 is a circuit diagram of a conventional circuit, and FIG. 3 is a waveform explanatory diagram. T1... Synchronous separation drive transistor, 1...
... Time constant circuit, T2 ... Synchronous separation transistor, 6 ... Integrating circuit, T4 ... Switching transistor, T5 ... Discharging transistor.
Claims (1)
電極に抵抗及びコンデンサよりなる時定数回路を接続し
てなり、前記時定数回路の時定数により前記同期分離ト
ランジスタの同期分離レベルが決定される同期分離回路
において、同期分離出力を積分する積分回路と、該積分
回路出力が所定値よりも小さいときのみ前記時定数回路
に接続される放電路とを備え、前記積分回路出力の太き
さに応じて前記同期分離レベルが変化することを特徴と
する同期分離回路。A synchronous separation device in which a time constant circuit consisting of a resistor and a capacitor is connected to the input electrode of a synchronous separation transistor to which a composite video signal is applied, and the synchronous separation level of the synchronous separation transistor is determined by the time constant of the time constant circuit. The circuit includes an integrator circuit that integrates the synchronization separation output, and a discharge path that is connected to the time constant circuit only when the integrator circuit output is smaller than a predetermined value, and the integrator circuit A synchronous separation circuit characterized in that the synchronous separation level changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10916184U JPS6123769U (en) | 1984-07-18 | 1984-07-18 | Synchronous separation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10916184U JPS6123769U (en) | 1984-07-18 | 1984-07-18 | Synchronous separation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6123769U true JPS6123769U (en) | 1986-02-12 |
Family
ID=30668321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10916184U Pending JPS6123769U (en) | 1984-07-18 | 1984-07-18 | Synchronous separation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6123769U (en) |
-
1984
- 1984-07-18 JP JP10916184U patent/JPS6123769U/en active Pending
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