参数资料
型号: RJ80530LZ001512
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 1000 MHz, MICROPROCESSOR, CPGA478
封装: MICRO, FCPGA-478
文件页数: 92/96页
文件大小: 2018K
代理商: RJ80530LZ001512
Appendix A. PLL RLC Filter Specification
R
92
Mobile Intel
Pentium III Processor-M Datasheet
Figure 30. PLL Filter Specifications
0 dB
-28 dB
-34 dB
0.2 dB
Forbidden
zone
x dB
Forbidden
zone
1 MHz
66 MHz
fcore
fpeak
1 Hz
DC
Passband
High Frequency
Band
x = 20.log[(Vcct-60 mV)/ Vcct]
NOTES:
Diagram is not to scale
No specification for frequencies beyond fcore.
Fpeak, if existent, should be less than 0.05 MHz.
A3.
Recommendation for Mobile Systems
The following LC components are recommended. The tables will be updated as other suitable
components and specifications are identified.
Table 51. PLL Filter Inductor Recommendations
Inductor
Part Number
Value
Tol
SRF
Rated I
DCR
Min Damping R Needed
L1
TDK MLF2012A4R7KT
4.7
H 10% 35 MHz 30 mA
0.56
(1
max)
0
L2
Murata LQG21N4R7K10 4.7
H 10% 47 MHz 30 mA
0.7
(+/-50%)
0
L3
Murata LQG21C4R7N00 4.7
H 30% 35 MHz 30 mA
0.3
max
0.2
(assumed)
NOTE:
Minimum damping resistance is calculated from 0.35
– DCRmin. From vendor provided data, L1 and L2
DCRmin is 0.4 and 0.5 respectively, qualifying them for zero required trace resistance. DCRmin for L3 is
not known and is assumed to be 0.15
. Products with equivalent specifications may also be used.
Table 52. PLL Filter Capacitor Recommendations
Capacitor
Part Number
Value
Tolerance
ESL
ESR
C1
Kemet T495D336M016AS
33
F
20%
2.5 nH
0.225
C2
AVX TPSD336M020S0200
33
F
20%
Unknown
0.2
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