JPS6135474U - Buzz noise reduction circuit for split carrier television receivers, etc. - Google Patents
Buzz noise reduction circuit for split carrier television receivers, etc.Info
- Publication number
- JPS6135474U JPS6135474U JP11979584U JP11979584U JPS6135474U JP S6135474 U JPS6135474 U JP S6135474U JP 11979584 U JP11979584 U JP 11979584U JP 11979584 U JP11979584 U JP 11979584U JP S6135474 U JPS6135474 U JP S6135474U
- Authority
- JP
- Japan
- Prior art keywords
- noise reduction
- local oscillation
- reduction circuit
- split carrier
- television receivers
- 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
- Television Receiver Circuits (AREA)
- Noise Elimination (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図は本考案のバズ音軽減回路を使用したテレビ受像
機の１実施例のブ旧ツク図、第２図は従来一般のスプリ
ットキャリア方式テレビ受像機のブロック図である。
２・・・電子同調チューナ、２ｃ・・・局部発振回路、
４・・・同調電圧発生回路、６・・・ＳＩＦ用局部発振
回路、７・・・周波数変換回路、１１・・・リップル増
幅器、１２・・・り・ンプルレベ′ル調整回路。FIG. 1 is a block diagram of one embodiment of a television receiver using the buzz noise reduction circuit of the present invention, and FIG. 2 is a block diagram of a conventional general split carrier type television receiver. 2...Electronic tuning tuner, 2c...Local oscillation circuit,
4... Tuning voltage generation circuit, 6... Local oscillation circuit for SIF, 7... Frequency conversion circuit, 11... Ripple amplifier, 12... Ripple level adjustment circuit.
Claims (1)
Ｆ用局部発振回路より得られるＳＩＦ用局部発振信号と
を周波数混合して第２８ＩＦ信号にに変換するスブリッ
トキャリア方式のテレビ受像機等において、電子同調チ
ューナの局部発振回路に供給する同調電圧に重畳されて
いるリツプル成分を取出す手段と、該手段により取出さ
れたリツプル成分を適宜の電圧レベルに調整する手段と
、該手段，より得られるリツプル電圧を前記ＳＩＦ用局
部発振回路に印加する手段とを具備してなり、同調電圧
のリツプル成分に起因するバズ音の発生を軽減するよう
にしたことを特徴とするスプリットキャリア方式テレビ
受像機等のズバ音軽減回路。The first ISrF signal derived from the electronic synchronous tuner and the SI
In split carrier television receivers, etc., which frequency mixes the SIF local oscillation signal obtained from the F local oscillation circuit and converts it into the 28th IF signal, the tuning voltage supplied to the local oscillation circuit of the electronic tuning tuner is means for extracting the superimposed ripple component; means for adjusting the ripple component extracted by the means to an appropriate voltage level; and means for applying the ripple voltage obtained by the means to the SIF local oscillation circuit. What is claimed is: 1. A buzzing noise reduction circuit for a split carrier type television receiver, etc., characterized in that the buzzing noise reduction circuit is characterized in that the generation of buzzing noise caused by a ripple component of a tuning voltage is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11979584U JPS6135474U (en) | 1984-07-31 | 1984-07-31 | Buzz noise reduction circuit for split carrier television receivers, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11979584U JPS6135474U (en) | 1984-07-31 | 1984-07-31 | Buzz noise reduction circuit for split carrier television receivers, etc. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6135474U true JPS6135474U (en) | 1986-03-04 |
Family
ID=30678659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11979584U Pending JPS6135474U (en) | 1984-07-31 | 1984-07-31 | Buzz noise reduction circuit for split carrier television receivers, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6135474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11883835B2 (en) | 2016-12-22 | 2024-01-30 | Conopco, Inc. | Shell container suitable for housing a discrete refill container |
-
1984
- 1984-07-31 JP JP11979584U patent/JPS6135474U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11883835B2 (en) | 2016-12-22 | 2024-01-30 | Conopco, Inc. | Shell container suitable for housing a discrete refill container |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6135474U (en) | Buzz noise reduction circuit for split carrier television receivers, etc. | |
| JPS5885835U (en) | Adjustment device | |
| JPS6022051U (en) | Prescaler circuit | |
| JPS633240Y2 (en) | ||
| JPS58155148U (en) | AM Chuna | |
| JPS5823466U (en) | television receiver | |
| JPS6144942U (en) | FM receiver | |
| JPS6074335U (en) | AFC circuit of radio receiver | |
| JPS59161754U (en) | FM tuner | |
| JPS59108377U (en) | Audio/video detection circuit | |
| JPS5976170U (en) | TV tuner audio information processing circuit | |
| JPS5996950U (en) | Television receiver tuner circuit | |
| JPS60112152U (en) | tv receiver | |
| JPS5920768U (en) | Television receiver audio demodulation circuit | |
| JPS58194553U (en) | Chuyuna | |
| JPS58114627U (en) | Receiver tuning correction circuit | |
| JPS609333U (en) | PLL receiver | |
| JPS5920766U (en) | Video synchronous detection device | |
| JPS58164331U (en) | automatic tuning receiver | |
| JPS6133534U (en) | television receiver | |
| JPS6140077U (en) | Television receiver AGC device | |
| JPS6030674U (en) | TV receiver PIF PLL synchronous detection circuit | |
| JPS59106265U (en) | automatic fine tuning circuit | |
| JPS59129272U (en) | television receiver | |
| JPS58125425U (en) | sweep receiver |