JPH0260329U - - Google Patents
Info
- Publication number
- JPH0260329U JPH0260329U JP1988138763U JP13876388U JPH0260329U JP H0260329 U JPH0260329 U JP H0260329U JP 1988138763 U JP1988138763 U JP 1988138763U JP 13876388 U JP13876388 U JP 13876388U JP H0260329 U JPH0260329 U JP H0260329U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- tuning
- band
- sync
- 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
- 238000000926 separation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Television Receiver Circuits (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
回路構成を示すブロツク図、第２図ａ，ｂは第１
図における帯域制限回路の帯域特性を示す図、第
３図は本考案の他の実施例を示すブロツク図、第
４図ａ，ｂは第３図における帯域制限回路の帯域
特性を示す図である。
１１……チユーナ、１２……ＴＶリニア回路、
１３……帯域制限回路、１４……同期分離回路、
１５……チユーニングコントローラ、１６……キ
ー入力部。
The drawings show an embodiment of the present invention; FIG. 1 is a block diagram showing the circuit configuration, and FIGS.
3 is a block diagram showing another embodiment of the present invention, and FIGS. 4a and 4b are diagrams showing the band characteristics of the band limiting circuit in FIG. 3. . 11...Tuner, 12...TV linear circuit,
13...Band limit circuit, 14...Synchronization separation circuit,
15... Tuning controller, 16... Key input unit.
Claims (1)
検波して映像信号及びＡＦＴ信号を出力するＴＶ
リニア回路と、このＴＶリニア回路から出力され
る映像信号より同期信号を分離する同期分離回路
と、チユーニングキーの操作に応じて動作し、上
記ＡＦＴ信号及び同期信号に基づいてチユーニン
グコントロールを行なうと共にチユーニング中に
ミユート信号を出力するチユーニングコントロー
ラと、上記ＴＶリニア回路に付加されて上記ミユ
ート信号が出力されている間帯域制限動作を行な
い、上記ミユート信号がオフすると上記帯域制限
動作を解除する帯域制限回路とを具備したことを
特徴とするチユーニング回路。 tuner and amplify the output signal of this tuner,
TV that detects and outputs video signal and AFT signal
A linear circuit, a sync separation circuit that separates a sync signal from a video signal output from the TV linear circuit, and a sync separation circuit that operates in response to the operation of a tuning key and performs tuning control based on the AFT signal and sync signal. and a tuning controller that outputs a mute signal during tuning, and a tuning controller that is added to the TV linear circuit to perform a band-limiting operation while the mute signal is being output, and cancel the band-limiting operation when the mute signal is turned off. A tuning circuit characterized by comprising a band limiting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988138763U JPH0260329U (en) | 1988-10-25 | 1988-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988138763U JPH0260329U (en) | 1988-10-25 | 1988-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0260329U true JPH0260329U (en) | 1990-05-02 |
Family
ID=31401405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988138763U Pending JPH0260329U (en) | 1988-10-25 | 1988-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0260329U (en) |
-
1988
- 1988-10-25 JP JP1988138763U patent/JPH0260329U/ja active Pending
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