MY136667A - Receiving circuit - Google Patents
Receiving circuitInfo
- Publication number
- MY136667A MY136667A MYPI0204543A MY136667A MY 136667 A MY136667 A MY 136667A MY PI0204543 A MYPI0204543 A MY PI0204543A MY 136667 A MY136667 A MY 136667A
- Authority
- MY
- Malaysia
- Prior art keywords
- circuit
- common
- wave
- frequency
- common wave
- Prior art date
Links
Landscapes
- Superheterodyne Receivers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
A RECEIVING CIRCUIT MAINLY AVAILABLE IN A DIGITAL MODULATION TYPE COMMUNICATION SYSTEM HAVING A PLURALITY OF CHANNELS, WHICH IS CAPABLE OF REDUCING POWER IN A RECEIVING SYSTEM, SIMPLIFYING THE CIRCUIT AND REDUCING THE POWER CONSUMPTION. UPSIDE AND DOWNSIDE FREQUENCIES CORRESPONDING TO A CENTRAL VALUE BETWEEN CHANNELS ARE SEPARATELY SUPPLIED FROM A LOCAL FREQUENCY SIGNAL GENERATING CIRCUIT 4 TO FIRST AND SECOND FREQUENCY CONVERTING CIRCUITS 2, 3 SO THAT TWO OUTPUT SIGNALS ARE DEVELOPED WITH RESPECT TO ONE OF A DESIRED WAVE, UPSIDE CHANNEL AND DOWNSIDE CHANNEL. THE DESIRED WAVE PRESENT IN COMMON IN THE FIRST AND SECOND FREQUENCY CONVERTING CIRCUITS 2, 3 IS EXTRACTED IN A COMMON WAVE EXTRACTING CIRCUIT 5, AND A FREQUENCY OFFSET OF ?O EXISTING IN THE OUTPUT OF THE COMMON WAVE EXTRACTING CIRCUIT 5 IS REMOVED A FREQUENCY OFFSET CIRCUIT 6 AND FURTHER AN UNNECESSARY FREQUENCY COMPONENT IS FILTERED BY A FILTER 8. IN ADDITION, THE COMMON WAVE EXTRACTING CIRCUIT 5 HAS TRANSFORMERS AND, USING ITS INDUCTANCES, RAISES THE DIFFERENCE BETWEEN THE COMMON WAVE AND THE NON-COMMON WAVE WITHIN THE CIRCUIT TO MORE THAN TWO TIMES THAT OF A PRIOR ART.(FIG.1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6625395 | 1995-03-24 | ||
JP27851395 | 1995-10-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
MY136667A true MY136667A (en) | 2008-11-28 |
Family
ID=45893869
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI9600160 MY115013A (en) | 1995-03-24 | 1996-01-16 | Receiving circuit |
MYPI0204543 MY136667A (en) | 1995-03-24 | 1996-01-16 | Receiving circuit |
MYPI0204542 MY141664A (en) | 1995-03-24 | 1996-01-16 | Receiving circuit |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI9600160 MY115013A (en) | 1995-03-24 | 1996-01-16 | Receiving circuit |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI0204542 MY141664A (en) | 1995-03-24 | 1996-01-16 | Receiving circuit |
Country Status (1)
Country | Link |
---|---|
MY (3) | MY115013A (en) |
-
1996
- 1996-01-16 MY MYPI9600160 patent/MY115013A/en unknown
- 1996-01-16 MY MYPI0204543 patent/MY136667A/en unknown
- 1996-01-16 MY MYPI0204542 patent/MY141664A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MY115013A (en) | 2003-03-31 |
MY141664A (en) | 2010-05-31 |
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