KR950008533Y1 - 더블컨버젼 튜너의 크로스 모듈레이션 및 인터모듈레이션 개선회로 - Google Patents
더블컨버젼 튜너의 크로스 모듈레이션 및 인터모듈레이션 개선회로 Download PDFInfo
- Publication number
- KR950008533Y1 KR950008533Y1 KR92023456U KR920023456U KR950008533Y1 KR 950008533 Y1 KR950008533 Y1 KR 950008533Y1 KR 92023456 U KR92023456 U KR 92023456U KR 920023456 U KR920023456 U KR 920023456U KR 950008533 Y1 KR950008533 Y1 KR 950008533Y1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- double
- modulation
- circuit
- conversion tuner
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title claims description 22
- 230000010355 oscillation Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
- H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
Claims (1)
- 더블 컨버젼 튜너의 업단(1)으로부터 출력되는 신호와 발진단(2)의 발진신호를 혼합하는 혼합기(3)와, 상기 혼합기(3)이 출력신호부터 인접채널을 제거하는 복동회로(4)와, 상기 복동회로(4)의 출력을 증폭하는 증폭기(5)를 포함하는 더블 컨버젼 튜너의 회로에 있어서, 상기 복독회로(4)와 증폭기(5)사이에, 상기 복동회로(4)의 출력신호로부터 인접채널의 신호를 제거하고, 소망하는 신호는 통과시키는 대역통과 필터(9)를 구비함을 특징으로 하는 더블 컨버젼 튜너의 크로스 모듈레이션 및 인터모듈레이션 개선회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR92023456U KR950008533Y1 (ko) | 1992-11-26 | 1992-11-26 | 더블컨버젼 튜너의 크로스 모듈레이션 및 인터모듈레이션 개선회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR92023456U KR950008533Y1 (ko) | 1992-11-26 | 1992-11-26 | 더블컨버젼 튜너의 크로스 모듈레이션 및 인터모듈레이션 개선회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940013818U KR940013818U (ko) | 1994-06-29 |
KR950008533Y1 true KR950008533Y1 (ko) | 1995-10-11 |
Family
ID=19344845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR92023456U KR950008533Y1 (ko) | 1992-11-26 | 1992-11-26 | 더블컨버젼 튜너의 크로스 모듈레이션 및 인터모듈레이션 개선회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950008533Y1 (ko) |
-
1992
- 1992-11-26 KR KR92023456U patent/KR950008533Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR940013818U (ko) | 1994-06-29 |
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