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參數(shù)資料
| 型號： | PMB2100 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | GSM LO1 VCO |
| 中文描述： | 壓控振蕩器的GSM LO1 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大?。?/td> | 583K |
| 代理商： | PMB2100 |
PMB 2100
Version 1.1
Application
Specification
12
2001-07-30
3
Application
3.1
Application Circuit
Appl_circuit.wmf
Figure 3-1
Application Circuit
Locking times of less than 200us for 10
°
peak phase error,
more than -50dB of loop suppression at 400kHz offset,
a RMS phase error less than 1.5
°
without other impacts
are typical values reached with this design.
3.2
Hints
DC blocking capacitors must be used between RF outputs and SMARTi LO1 inputs.
560p
5.6n
3k3
3k3
270p
VCO
PMB2100
PMB6250
PMB6253
CPLO1
VTUNE
SMARTi.
Icp, fractional: 1.2 mA 20%
Icp, integer: 2.0 mA 20%
The SAM timer is set to 115us.
OUTX
OUT
LO1X
LO1
12p
12p
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