KR0127742Y1 - 튜너의 입력 필터회로 - Google Patents
튜너의 입력 필터회로Info
- Publication number
- KR0127742Y1 KR0127742Y1 KR2019920023577U KR920023577U KR0127742Y1 KR 0127742 Y1 KR0127742 Y1 KR 0127742Y1 KR 2019920023577 U KR2019920023577 U KR 2019920023577U KR 920023577 U KR920023577 U KR 920023577U KR 0127742 Y1 KR0127742 Y1 KR 0127742Y1
- Authority
- KR
- South Korea
- Prior art keywords
- pass filter
- diode
- circuit
- high pass
- input
- 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.)
- Expired - Lifetime
Links
- 239000003990 capacitor Substances 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 5
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Filters And Equalizers (AREA)
Abstract
Description
Claims (2)
- 입력단에 연결되어 입력 신호의 고역 부분을 통과시키는 고역 통과 필터부(10)와, 상기 고역 통과 필터부(10)에 병렬로 연결되는 다이오드(D)와, 상기 다이오드(D)에 연결되어 상기 다이오드(D)가 온되면 입력신호의 저역 부분을 통과시키는 저역 통과 필터부(20)와, 상기 다이오드(D)와 저역 통과 필터부(20) 사이에 저항을 통해 연결되는 전원 공급단으로 구성되어 저역 통과 필터와 고역 통과 필터의 특성을 다 가지는 것을 특징으로 하는 튜너의 입력 필터회로.
- 제1항에 있어서, 상기 저역 통과 필터부(20)는 다이오드(D)에 연결되어 전압을 차단하는 콘덴서(C3)와, 상기 콘덴서(C3)에 직렬로 연결되는 인덕터(L4)와, 상기 다이오드(D)와 콘덴서(C3) 사이의 접점(e)에 직렬로 연결되는 인덕터(L3)와 콘덴서(C4)로 이루어짐을 특징으로 하는 튜너의 입력 필터회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019920023577U KR0127742Y1 (ko) | 1992-11-27 | 1992-11-27 | 튜너의 입력 필터회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019920023577U KR0127742Y1 (ko) | 1992-11-27 | 1992-11-27 | 튜너의 입력 필터회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940013989U KR940013989U (ko) | 1994-06-29 |
KR0127742Y1 true KR0127742Y1 (ko) | 1998-11-16 |
Family
ID=19344938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019920023577U Expired - Lifetime KR0127742Y1 (ko) | 1992-11-27 | 1992-11-27 | 튜너의 입력 필터회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0127742Y1 (ko) |
-
1992
- 1992-11-27 KR KR2019920023577U patent/KR0127742Y1/ko not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR940013989U (ko) | 1994-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19921127 |
|
UG1501 | Laying open of application | ||
A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19950217 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19921127 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
E902 | Notification of reason for refusal | ||
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19980114 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19980429 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19980724 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19980724 |
|
UG1601 | Publication of registration | ||
LAPS | Lapse due to unpaid annual fee |