參數(shù)資料
型號: CE5038
廠商: Intel Corp.
英文描述: DVB-S2 Advanced Modulation Satellite Tuner
中文描述: DVB - S2的先進調(diào)制衛(wèi)星調(diào)諧器
文件頁數(shù): 10/41頁
文件大?。?/td> 463K
代理商: CE5038
CE5038
Data Sheet
9
Intel Corporation
14
XTAL
In
Reference oscillator crystal inputs.
Selected crystal frequency must be
programmed in BR4 to BR0 for correct
baseband filter bandwidth operation.
XTAL pin is used for external reference
input via 10nF capacitor.
15
XTALCAP
Out
16
ADD
In
Variable I2C address selection allowing
the use of more than one device per I2C
bus system by the voltage on this pin.
See Table 3 for programming details.
17
DIGDEC
Out
Decouple pin for internal digital 3.3 V
regulator
18
VccDIG
+5 v voltage supply for digital logic
19
VccTune
Varactor tuning +5 v supply
20
DRIVE
IO
Loop amplifier output and input pins
21
PUMP
IO
22
N/C
Not connected. Ground externally.
23
Vvar
In
LO tuning voltage input
Pin
Symbol
Direction
Function
Schematics
XTAL
XTALCAP
0.2mA
100
Ω
DIGDEC
400
Ω
20k
60k
Input
DIGDEC
ADD
DIGDEC
VccDIG
DRIVE
3K
PUMP
CPDEC
VccTUNE
Vvar
1 k
Vbias
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