參數(shù)資料
型號(hào): PMB2349
廠商: INFINEON TECHNOLOGIES AG
英文描述: Optimized RF/IF Dual PLL Frequency Synthesizer
中文描述: 優(yōu)化射頻/中頻雙鎖相環(huán)頻率合成器
文件頁(yè)數(shù): 31/35頁(yè)
文件大小: 670K
代理商: PMB2349
Reference
5 - 11
PMB 2349
preliminary
Wireless Components
Confidential
Specification, May 2000
Table 5-18Programming 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 5-19Programming of PLL Select
Control Bit
PLL Select (LD mode)
c3 of PLL1
0
PLL1 (RF)
1
PLL2 (IF)
Table 5-20Programming of Data Register Select
Control Bits
IF Data Register Select
c3 of PLL2
0
Data Register 1
1
Data Register 2
Table 5-21Programming of Reference Input Amplifier - RiAmp
c0 of PLL2
RiAmp 2
RiAmp 1
c1 of PLL2
RiAmp Resonance
Pole Position typical
Remark
VCC1=VCC2= 2V7 (2V8)
0
0
9.0 MHz
nominal / recommended
1
0
11.2 MHz
0
1
19.5 MHz
1
1
28.2 MHz
Table 5-22Programming of Bipolar Power Mode - IBip
c11 of PLL2
IBip 2
IBip 1
c12 of PLL2
Bipolar Power
Consumtion
RF MAX
IF MAX
Remark
0
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
1
nominal - 20 %
2.5 GHz
0.5 GHz
powersave mode I
Table 5-23Programming 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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