JPS6030674U - TV receiver PIF PLL synchronous detection circuit - Google Patents
TV receiver PIF PLL synchronous detection circuitInfo
- Publication number
- JPS6030674U JPS6030674U JP12286883U JP12286883U JPS6030674U JP S6030674 U JPS6030674 U JP S6030674U JP 12286883 U JP12286883 U JP 12286883U JP 12286883 U JP12286883 U JP 12286883U JP S6030674 U JPS6030674 U JP S6030674U
- Authority
- JP
- Japan
- Prior art keywords
- synchronous detection
- detection circuit
- pif
- receiver
- pll
- 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・・・従来装置のブロック丙、第２図・・・この
考案の実施例のブロック図。
２・・・ナイキストスロープを有する帯域フィルタ、９
・・・映像キャリアの近傍だけを通過させる帯域フィル
タ。FIG. 1 shows a block diagram of a conventional device, and FIG. 2 shows a block diagram of an embodiment of this invention. 2... Bandpass filter with Nyquist slope, 9
...A bandpass filter that passes only the vicinity of the video carrier.
Claims (1)
像キャリアの近傍だけを通過させる第２の帯域フィルタ
と、第１の帯域フィルタに接続された中間周波増幅器お
よび同期検波回路と、同期検波のスイッチング信号を作
るＰＬＬ回路とを備え、チューナーで中間周波数に変換
された映像中間周波信号を第１の帯域フィルタに入力す
るとともに第２の帯域フィルタを通した後前記ＰＬＬ回
路の位相比較器に入力することを特徴とするＴＶ受像機
ＰＩＦ、ＰＬＬ同期検波回路。A first bandpass filter having a Nyquist slope, a second bandpass filter that passes only the vicinity of the video carrier, an intermediate frequency amplifier and a synchronous detection circuit connected to the first bandpass filter, and a switching signal for synchronous detection. A video intermediate frequency signal converted to an intermediate frequency by a tuner is input to a first band filter, and after passing through a second band filter, is input to a phase comparator of the PLL circuit. Features TV receiver PIF and PLL synchronous detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12286883U JPS6030674U (en) | 1983-08-09 | 1983-08-09 | TV receiver PIF PLL synchronous detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12286883U JPS6030674U (en) | 1983-08-09 | 1983-08-09 | TV receiver PIF PLL synchronous detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6030674U true JPS6030674U (en) | 1985-03-01 |
Family
ID=30280686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12286883U Pending JPS6030674U (en) | 1983-08-09 | 1983-08-09 | TV receiver PIF PLL synchronous detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6030674U (en) |
-
1983
- 1983-08-09 JP JP12286883U patent/JPS6030674U/en active Pending
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