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參數(shù)資料
| 型號： | TUA6041-2 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | 3-BAND, VIDEO TUNER, QCC48 |
| 封裝： | VQFN-48 |
| 文件頁數(shù)： | 37/66頁 |
| 文件大小： | 926K |
| 代理商： | TUA6041-2 |
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Data Sheet
42
Revision 3.1, 2006-12-19
TUA 6041-2
LIGHTNING
Reference
5.2
Bus Interface
Table 7
Pin Function
Table 8
Chip Address Organization in I
2C Mode
7) The supply ripple susceptibility is a sideband measurement using a spectrum analyzer connected to the IF
output. An unmodulated RF signal with a level of 80 dBV is applied to the test board RF input. A sinewave
signal with a defined frequency is superposed onto the supply voltage (see Figure 16 "Ripple susceptibility
measurement" on Page 64). The specified value is the worst case in the frequency range.
8) This is the level of divider interferences close to the IF frequency. For example channel S3: f
OSC = 158.15 MHz,
1/4 f
OSC = 39.5375 MHz. The rejection has to be greater than 60 dB for an SAW driver output of 100 dBV.
9) Crystal oscillator interference means the 4 MHz sidebands caused by the crystal oscillator. The rejection has
to be greater than 60 dB for an SAW driver output of 100 dBV.
10) The reference frequency rejection is the level of reference frequency sidebands (e.g. 62.5 kHz) related to the
carrier. The rejection has to be greater than 60 dB for an SAW driver output of 100 dBV.
11) Channel S02 beat is the interfering product of f
RFpix, fIF and fOSC of channel S02, fBEAT = 37.35 MHz. The possible
mechanisms are f
OSC - 2 x fIF or 2 x fRFpix - fOSC.
Pin Designation
BUSMODE
SDA / Data
SCL / Clock
CAS / EN
Function
bus mode
select
serial data
clock
I
2C: chip address
select, 3-W: enable
I
2C mode
0
data in/out
clock in
four chip addresses
1)
3-Wire mode
1 or open
0: chip is addressed
Name
Byte
MSB
bit6
bit5
bit4
bit3
bit2
bit1
LSB
Write Mode
Address Byte
ADB
1
0
MA1
MA0
R/W=0
Read Mode
Address Byte
ADB
1
0
MA1
MA0
R/W=1
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