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參數(shù)資料
| 型號： | MAX2105 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 16-Bit Buffers/Drivers With 3-State Outputs 48-TSSOP -40 to 85 |
| 中文描述： | 直接變頻調(diào)諧器IC，適合數(shù)字DBS應(yīng)用 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 151K |
| 代理商： | MAX2105 |
M
Power-S upply S equenc ing
The MAX2102/MAX2105 have several +5V supply pins.
The supply layout should be in a star format, with a
bypass capacitor that dominates the rise time of the
supply at the center of the star, to ensure that all pins
see approximately the same voltage during power-up.
The prescaler V
CC
(pin 28) must be connected to the
same V
CC
as the other V
CC
pins, even if the prescaler
is not used. Leaving PSGND open will disable the
prescaler function and, in this state, the prescaler will
not dissipate any power.
S ystems Consideration: Lowpass Filters in
Direc t-Conversion T uners
Typically, a 5th or 7th-order L-C lowpass filter is used
for anti-aliasing the ADCs following the MAX2102.
Figures 4 and 5 describe typical filtering requirements.
Table 1 offers suggested component values for these
lowpass filters.
Chip Information
TRANSISTOR COUNT: 1852
SUBSTRATE CONNECTED TO GND
Direc t-Conversion Tuner ICs for
Digital DBS Applic ations
14
______________________________________________________________________________________
Q
I
“1”
“2”
“3”
“4”
MATCHED FILTERS
DIGITAL SIGNAL PROCESSING
ANALOG LP FILTERS
ADCs
MAX2102
MAX2105
Figure 4. I, Q Signal Path
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX2105CWI | Direct-Conversion Tuner ICs for Digital DBS Applications |
| MAX2104 | 16-Bit Buffers/Drivers With 3-State Outputs 48-TSSOP -40 to 85 |
| MAX2104CCM | PLASTIC ENCAPSULATED DEVICES |
| MAX2106 | 16-Bit Buffers/Drivers With 3-State Outputs 48-TVSOP -40 to 85 |
| MAX2106UCM | DBS Direct Downconverter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2105CWI | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX2105CWI+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX2106 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:DBS Direct Downconverter |
| MAX2106_05 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:DBS Direct Downconverter |
| MAX2106CCM | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Analog IC |
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