參數(shù)資料
型號(hào): PMB2349
廠商: INFINEON TECHNOLOGIES AG
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2800 MHz, PQCC24
封裝: PLASTIC, VQFN-24
文件頁數(shù): 25/35頁
文件大?。?/td> 670K
代理商: PMB2349
Reference
5 - 11
PMB 2349
preliminary
Wireless Components
Confidential
Specification, May 2000
Table 5-18 Programming of Prescaler Divide Ratio of both PLLs
Control Bit
Prescaler Divide Ratio
c4
PSC Div. Ratio
0
PLL1: 32/33
PLL2: 8/9
1
PLL1: 64/65
PLL2: 16/17
Table 5-19 Programming of PLL Select
Control Bit
PLL Select (LD mode)
c3 of PLL1
0
PLL1 (RF)
1
PLL2 (IF)
Table 5-20 Programming of Data Register Select
Control Bits
IF Data Register Select
c3 of PLL2
0
Data Register 1
1
Data Register 2
Table 5-21 Programming of Reference Input Amplifier - RiAmp
c0 of PLL2
RiAmp 2
c1 of PLL2
RiAmp 1
RiAmp Resonance
Pole Position typical
Remark
VCC1=VCC2= 2V7 (2V8)
0
09.0 MHz
nominal / recommended
1
0
11.2 MHz
0
1
19.5 MHz
1
28.2 MHz
Table 5-22 Programming of Bipolar Power Mode - IBip
c11 of PLL2
IBip 2
c12 of PLL2
IBip 1
Bipolar Power
Consumtion
RF MAX
IF MAX
Remark
0
nominal
2.8 GHz
0.6 GHz
nominal / recommended
1
0
nominal + 20 %
2.8 GHz
0.6 GHz
not recommended
0
1
nominal - 40 %
2.0 GHz
0.4 GHz
powersave mode II
1
nominal - 20 %
2.5 GHz
0.5 GHz
powersave mode I
Table 5-23 Programming of Rext / Rint Mode
c13 of PLL2
Rext / Rint
External or Internal Reference Resistor
0
External @ Pin 12 - recommended
1
Internal Polysilicone Resistor - not recommended
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