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參數(shù)資料
| 型號(hào)： | PMB2341 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | 10-pin Single PLL |
| 中文描述： | 10針單鎖相環(huán) |
| 文件頁數(shù)： | 18/26頁 |
| 文件大?。?/td> | 410K |
| 代理商： | PMB2341 |
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Bits
Applications
4 - 6
PMB 2341
preliminary
Wireless Components
Confidential
Specification, February 2000
Table 4-5 Standy mode selection bits
Bits
standby 1 standby 2
1
1
Description
Remarks
ALLRUN:
PLL is powered on.
not used:
identical to ALLrun.
AMPRUN:
PLL is powered off, only RI input
preamplifier is powered on.
ALLOPP:
Both PLL and RI input preamplifier
are powered off.
Enabling or disabling of certain
bipolar modules is done by turning
on or off its bias currents.
1
0
0
1
0
0
Table 4-6 Port switching bits
Bit
VALUE
Description
MFO
1
Multifunctional output MFO is driven to ground (
VSS)
0
Multifunctional output MFO is driven to
VDD
Table 4-7 Charge pump current programming bits
cpcurr 1 cpcurr 2 cpcurrtst
0
0
1
0
0
1
1
1
0
0
1
0
0
1
1
1
CP Current [mA]
I
1.2 mA
2.0 mA
2.8 mA
4.0 mA
1.2 mA pump 1
1.2 mA pump 2
0.8 mA pump 1
0.8 mA pump 2
Remark
0
0
0
0
1
1
1
1
Table 4-8 Prescaler mode select bit
Bit
Value
Description
32/33
presc
0
1
64/65
Table 4-9 Phase detector polarity select bit
Bit
Value
Description
negative polarity
pdpol
0
1
positive polarity
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