KR20020059020A - 기준주파수 변경에 따른 수신부 노이즈 최적화 회로 - Google Patents
기준주파수 변경에 따른 수신부 노이즈 최적화 회로 Download PDFInfo
- Publication number
- KR20020059020A KR20020059020A KR1020000087177A KR20000087177A KR20020059020A KR 20020059020 A KR20020059020 A KR 20020059020A KR 1020000087177 A KR1020000087177 A KR 1020000087177A KR 20000087177 A KR20000087177 A KR 20000087177A KR 20020059020 A KR20020059020 A KR 20020059020A
- Authority
- KR
- South Korea
- Prior art keywords
- frequency
- reference frequency
- intermediate frequency
- mhz
- noise optimization
- Prior art date
Links
- 238000005457 optimization Methods 0.000 title claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000007796 conventional method Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B2001/1072—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal by tuning the receiver frequency
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (1)
- 무선 데이터의 수신을 위한 미주향 광대역 염가형 통신기기에 있어서.첫 번째 중간주파수를 생성하기 위한 기준주파수를 10.625㎒로 생성하고 두 번째 중간주파수를 생성하기 위해 첫 번째 중간주파수와 믹싱하여야 하는 주파수를 상기 기준주파수로 대치하는 것을 특징으로 하는 기준주파수 변경에 따른 수신부 노이즈 최적화 회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0087177A KR100385619B1 (ko) | 2000-12-30 | 2000-12-30 | 기준주파수 변경에 따른 수신부 노이즈 최적화 회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0087177A KR100385619B1 (ko) | 2000-12-30 | 2000-12-30 | 기준주파수 변경에 따른 수신부 노이즈 최적화 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020059020A true KR20020059020A (ko) | 2002-07-12 |
KR100385619B1 KR100385619B1 (ko) | 2003-05-28 |
Family
ID=27690074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0087177A KR100385619B1 (ko) | 2000-12-30 | 2000-12-30 | 기준주파수 변경에 따른 수신부 노이즈 최적화 회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100385619B1 (ko) |
-
2000
- 2000-12-30 KR KR10-2000-0087177A patent/KR100385619B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100385619B1 (ko) | 2003-05-28 |
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