JPH0293848U - - Google Patents
Info
- Publication number
- JPH0293848U JPH0293848U JP201389U JP201389U JPH0293848U JP H0293848 U JPH0293848 U JP H0293848U JP 201389 U JP201389 U JP 201389U JP 201389 U JP201389 U JP 201389U JP H0293848 U JPH0293848 U JP H0293848U
- Authority
- JP
- Japan
- Prior art keywords
- muting
- tuning circuit
- searching
- control section
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
Description
第１図はこの考案の一実施例を説明するための
回路構成図、第２図は従来の回路構成図、第３図
は第２図の動作の手順を説明するためのフローチ
ヤートである。
ＣＰＵ……マイコン、６……ミユート／ＩＦコ
ントロールＯＵＴ、ＩＡＡ……ＩＦアンプ、Ｄ…
…ダイオード、ＡＭＰ……アンプ。
FIG. 1 is a circuit configuration diagram for explaining one embodiment of this invention, FIG. 2 is a conventional circuit configuration diagram, and FIG. 3 is a flowchart for explaining the operation procedure of FIG. 2. CPU...Microcomputer, 6...Miute/IF control OUT, IAA...IF amplifier, D...
...Diode, AMP...Amplifier.
Claims (1)
てチユーニング回路の受信周波数を変更し、他の
局をサーチしている間のみ電源を供給してＩＦ信
号を増幅するＩＦアンプがＩＦ信号を受けると、
前記チユーニング回路のサーチ動作をストツプす
るコントロール部と、このコントロールがチユー
ニング回路をサーチ中、前記ＩＦアンプに供給す
る電源により再生系にミユーテイングをかけるミ
ユーテイング手段とからなる電子チユーナーにお
けるミユーテイング回路。 When the IF amplifier receives the IF signal, it changes the reception frequency of the tuning circuit in response to a search command by operating the search switch, and amplifies the IF signal by supplying power only while searching for other stations.
A muting circuit for an electronic tuner, comprising a control section for stopping a search operation of the tuning circuit, and a muting means for applying muting to a reproduction system using a power supply supplied to the IF amplifier while the control section is searching for the tuning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP201389U JPH0293848U (en) | 1989-01-11 | 1989-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP201389U JPH0293848U (en) | 1989-01-11 | 1989-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0293848U true JPH0293848U (en) | 1990-07-25 |
Family
ID=31202411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP201389U Pending JPH0293848U (en) | 1989-01-11 | 1989-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0293848U (en) |
-
1989
- 1989-01-11 JP JP201389U patent/JPH0293848U/ja active Pending
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