JPS59195883U - RF converter color subcarrier oscillation circuit - Google Patents
RF converter color subcarrier oscillation circuitInfo
- Publication number
- JPS59195883U JPS59195883U JP9083483U JP9083483U JPS59195883U JP S59195883 U JPS59195883 U JP S59195883U JP 9083483 U JP9083483 U JP 9083483U JP 9083483 U JP9083483 U JP 9083483U JP S59195883 U JPS59195883 U JP S59195883U
- Authority
- JP
- Japan
- Prior art keywords
- color subcarrier
- converter
- oscillation circuit
- vco
- signal
- 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
図面は本考案に係る色副搬送波発振回路を有するＲＦコ
ンバータのブロック図である。
３ａ・・・位相比較器、３ｂ・・・ＶＣｏ、３Ｃ・・・
分周器。The drawing is a block diagram of an RF converter having a color subcarrier oscillation circuit according to the present invention. 3a... Phase comparator, 3b... VCo, 3C...
Frequency divider.
Claims (1)
直の同期信号とを入力しＲＦ信号を出力するＲＦコンバ
ータにおいて、色副搬送波信号を発振する電圧制御型発
振器（ＶＣＯ）と、該ＶＣＯの発振信号を所定の分周比
に分周する分周器と、該分周器の分周出力と外部コンピ
ュータから入力されろ水平同期信号とを位相比較し該比
較出力を前記ｖＣＯに供給する位相比較器とを具備して
なるＲＦコンバータの色副搬送波発振回路。An RF converter that inputs R, G, and B color signals and horizontal and vertical synchronization signals from an external computer and outputs an RF signal includes a voltage-controlled oscillator (VCO) that oscillates a color subcarrier signal, and a voltage-controlled oscillator (VCO) that oscillates a color subcarrier signal; A frequency divider that divides the oscillation signal to a predetermined frequency division ratio, a phase comparison between the frequency division output of the frequency divider and a horizontal synchronization signal input from an external computer, and a phase for supplying the comparison output to the vCO. A color subcarrier oscillation circuit of an RF converter comprising a comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9083483U JPS59195883U (en) | 1983-06-13 | 1983-06-13 | RF converter color subcarrier oscillation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9083483U JPS59195883U (en) | 1983-06-13 | 1983-06-13 | RF converter color subcarrier oscillation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59195883U true JPS59195883U (en) | 1984-12-26 |
Family
ID=30220793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9083483U Pending JPS59195883U (en) | 1983-06-13 | 1983-06-13 | RF converter color subcarrier oscillation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59195883U (en) |
-
1983
- 1983-06-13 JP JP9083483U patent/JPS59195883U/en active Pending
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