KR100190609B1 - 고주파변조모듈의 혼변조특성 개선회로 - Google Patents
고주파변조모듈의 혼변조특성 개선회로 Download PDFInfo
- Publication number
- KR100190609B1 KR100190609B1 KR1019960018180A KR19960018180A KR100190609B1 KR 100190609 B1 KR100190609 B1 KR 100190609B1 KR 1019960018180 A KR1019960018180 A KR 1019960018180A KR 19960018180 A KR19960018180 A KR 19960018180A KR 100190609 B1 KR100190609 B1 KR 100190609B1
- Authority
- KR
- South Korea
- Prior art keywords
- frequency
- frequency signal
- modulated
- signal
- voltage
- Prior art date
Links
- 230000002238 attenuated effect Effects 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 101710162453 Replication factor A Proteins 0.000 description 1
- 102100035729 Replication protein A 70 kDa DNA-binding subunit Human genes 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/213—Circuitry for suppressing or minimising impulsive noise
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
Description
Claims (1)
- 부스터전압에 의해 동작하여 안테나로부터의 고주파신호를 증폭하는 1차 고주파증폭기 ;상기 1차 증폭된 고주파신호를 VCR튜너와 후단 신호처리회로로 분배시키는 분배기 ;상기 분배기를 통한 고주파신호를 변조전압 인가시는 감쇄시키고, 변조전압 비인가시는 통과시키는 감쇄기 ;상기 감쇄기를 통한 고주파신호를 고역통과시켜서 혼합기로 제공하는 고역통과필터 ;고주파변조단에서 변조된 고주파신호를 대역통과시켜서 혼합기로 제공하는 대역통과필터;상기 고역통과필터를 통한 고주파신호 또는 대역통과필터를 통한 변조된 고주파신호를 텔레비젼세트의 튜너로 제공하는 혼합기를 구비함을 특징으로 하는 고주파변조모듈의 혼변조특성 개선회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960018180A KR100190609B1 (ko) | 1996-05-28 | 1996-05-28 | 고주파변조모듈의 혼변조특성 개선회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960018180A KR100190609B1 (ko) | 1996-05-28 | 1996-05-28 | 고주파변조모듈의 혼변조특성 개선회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970078516A KR970078516A (ko) | 1997-12-12 |
KR100190609B1 true KR100190609B1 (ko) | 1999-06-01 |
Family
ID=19459912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960018180A KR100190609B1 (ko) | 1996-05-28 | 1996-05-28 | 고주파변조모듈의 혼변조특성 개선회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100190609B1 (ko) |
-
1996
- 1996-05-28 KR KR1019960018180A patent/KR100190609B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR970078516A (ko) | 1997-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19960528 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19960528 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19981222 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19990121 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19990122 End annual number: 3 Start annual number: 1 |
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PG1601 | Publication of registration | ||
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20021011 |