KR930006694Y1 - Bs 튜너입력절환회로 - Google Patents
Bs 튜너입력절환회로 Download PDFInfo
- Publication number
- KR930006694Y1 KR930006694Y1 KR2019900017730U KR900017730U KR930006694Y1 KR 930006694 Y1 KR930006694 Y1 KR 930006694Y1 KR 2019900017730 U KR2019900017730 U KR 2019900017730U KR 900017730 U KR900017730 U KR 900017730U KR 930006694 Y1 KR930006694 Y1 KR 930006694Y1
- Authority
- KR
- South Korea
- Prior art keywords
- switching
- tuner
- voltage
- amplifier
- broadcast
- Prior art date
Links
- 230000010287 polarization Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
Description
Claims (1)
- LNB 로부터의 R 입력신호는 제1,2 스위칭다이오드(D1, D2)를 통하여, LNB 로부터의 L 입력신호는 제3,4스위칭다이오드(D3, D4)를 통하여 RF 앰프에 공통으로 인가되게 구성하고, 상기 제1, 2 스위칭다이오드(D1, D2)는 스위칭 트랜지스터(TR1) 의 콜렉터출력전압의 유무에 따라 온/오프 제어되게 구성하고, 상기 제3,4 스위칭다이오드 (D3, D4)는 외부스위칭 전압(VSW)의 유무에 따라 온/오프제어되게 구성하고, 상기 스위칭 트랜지스터(TR1)는 상기 스위칭전압(VSW)의 유무에 따라 온/오프제어되게 구성한 것을 특징으로 하는 BS 튜너입력절환회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900017730U KR930006694Y1 (ko) | 1990-11-19 | 1990-11-19 | Bs 튜너입력절환회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900017730U KR930006694Y1 (ko) | 1990-11-19 | 1990-11-19 | Bs 튜너입력절환회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920010623U KR920010623U (ko) | 1992-06-17 |
KR930006694Y1 true KR930006694Y1 (ko) | 1993-10-04 |
Family
ID=19305582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900017730U KR930006694Y1 (ko) | 1990-11-19 | 1990-11-19 | Bs 튜너입력절환회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930006694Y1 (ko) |
-
1990
- 1990-11-19 KR KR2019900017730U patent/KR930006694Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920010623U (ko) | 1992-06-17 |
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Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19901119 |
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Patent event date: 19901119 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
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Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19930527 |
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Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19930721 |
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UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19930909 |
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E701 | Decision to grant or registration of patent right | ||
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Patent event date: 19940103 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
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UR0701 | Registration of establishment |
Patent event date: 19940117 Patent event code: UR07011E01D Comment text: Registration of Establishment |
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