KR920009010B1 - 텔리비젼 튜너의 주파수 합성 동조 회로 및 방식 - Google Patents
텔리비젼 튜너의 주파수 합성 동조 회로 및 방식 Download PDFInfo
- Publication number
- KR920009010B1 KR920009010B1 KR1019900009401A KR900009401A KR920009010B1 KR 920009010 B1 KR920009010 B1 KR 920009010B1 KR 1019900009401 A KR1019900009401 A KR 1019900009401A KR 900009401 A KR900009401 A KR 900009401A KR 920009010 B1 KR920009010 B1 KR 920009010B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- band
- vhf
- uhf
- local oscillation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 21
- 230000010355 oscillation Effects 0.000 claims abstract description 73
- 230000003321 amplification Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
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
- H03J5/02—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 variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900009401A KR920009010B1 (ko) | 1990-06-25 | 1990-06-25 | 텔리비젼 튜너의 주파수 합성 동조 회로 및 방식 |
JP3115030A JPH0685706A (ja) | 1990-06-25 | 1991-05-20 | 広域同調回路及び方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900009401A KR920009010B1 (ko) | 1990-06-25 | 1990-06-25 | 텔리비젼 튜너의 주파수 합성 동조 회로 및 방식 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920001942A KR920001942A (ko) | 1992-01-30 |
KR920009010B1 true KR920009010B1 (ko) | 1992-10-12 |
Family
ID=19300472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900009401A KR920009010B1 (ko) | 1990-06-25 | 1990-06-25 | 텔리비젼 튜너의 주파수 합성 동조 회로 및 방식 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPH0685706A (ja) |
KR (1) | KR920009010B1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002118795A (ja) * | 2000-10-05 | 2002-04-19 | Alps Electric Co Ltd | テレビジョン信号受信チューナー |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5680936A (en) * | 1979-12-04 | 1981-07-02 | Sanyo Electric Co Ltd | Multiband receiver |
-
1990
- 1990-06-25 KR KR1019900009401A patent/KR920009010B1/ko not_active IP Right Cessation
-
1991
- 1991-05-20 JP JP3115030A patent/JPH0685706A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH0685706A (ja) | 1994-03-25 |
KR920001942A (ko) | 1992-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19970829 Year of fee payment: 8 |
|
LAPS | Lapse due to unpaid annual fee |