JPS6253870U - - Google Patents
Info
- Publication number
- JPS6253870U JPS6253870U JP14703685U JP14703685U JPS6253870U JP S6253870 U JPS6253870 U JP S6253870U JP 14703685 U JP14703685 U JP 14703685U JP 14703685 U JP14703685 U JP 14703685U JP S6253870 U JPS6253870 U JP S6253870U
- Authority
- JP
- Japan
- Prior art keywords
- video detection
- detection circuit
- filter
- carrier
- attenuates
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は各部位における周波数特性を示す図であ
る。
１……フロントエンド、２，３……ＳＡＷフイ
ルタ、４，５……映像検波回路、６……加算回路
、７……セラミツクトラツプ、８……検波回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a diagram showing frequency characteristics at each location. 1...Front end, 2, 3...SAW filter, 4, 5...Video detection circuit, 6...Addition circuit, 7...Ceramic trap, 8...Detection circuit.
Claims (1)
映像検波回路を具備し、それぞれの映像検波回路
に、音声キヤリヤを減衰させるフイルタおよび、
クロマキヤリヤを減衰させるフイルタを設け、上
記フイルタを通してそれぞれ映像検波した信号を
、映像検波後に加算して、所定の特性を得るよう
に構成したことを特徴とする広帯域映像検波回路
。 A television video detection circuit is equipped with two video detection circuits, and each video detection circuit is equipped with a filter that attenuates the audio carrier, and
1. A wideband video detection circuit characterized in that a filter is provided to attenuate a chroma carrier, and the signals detected through each of the filters are summed after the video detection to obtain a predetermined characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14703685U JPS6253870U (en) | 1985-09-25 | 1985-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14703685U JPS6253870U (en) | 1985-09-25 | 1985-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6253870U true JPS6253870U (en) | 1987-04-03 |
Family
ID=31060035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14703685U Pending JPS6253870U (en) | 1985-09-25 | 1985-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6253870U (en) |
-
1985
- 1985-09-25 JP JP14703685U patent/JPS6253870U/ja active Pending
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