參數(shù)資料
型號: PMB2347
廠商: INFINEON TECHNOLOGIES AG
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2800 MHz, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁數(shù): 5/35頁
文件大小: 578K
代理商: PMB2347
Functional Description
3 - 6
PMB 2347
preliminary
Wireless Components
Specification, August 1999
3.3 Functional Block Diagram
Funct_block.wmf
Figure 3-2
Functional Block Diagram
376623
4 Bit
A-Counter
Shift Register
Data Reg. 2
Data Reg. 1
14 Bit
N-Counter
Shift Register
Data Reg. 2
Data Reg. 1
Modulus Control
Shadow Reg.
Data Reg.
14 Bit
R1-Counter
64
/65
32
/33
6 Bit
A-Counter
Shift Register
Data Reg.
14 Bit
N-Counter
Shift Register
Shadow Reg.
Data Reg.
Modulus Control
Phase
Detector
Shift Register
LD
fo
VCC1
PLL1 (RF)
PLL2 (IF)
GND2
VPD1
GND1
PD1
RF
CLK
EN
RFX
DA
VCC2
GND2
VPD2
GND1
PD2
IF
LD/fo
RI
IFX
REXT
Serial
Control
Logic
Phase
Detector
Shadow Reg.
Mod1
Data Reg.
14 Bit
R1-Counter
Shift Register
16
/1
7
8/9
Mod2
Multiplexer
Bias
Iref
De
c
1
2
3
4
10
9
8
7
6
5
20
19
18
17
11
12
13
14
15
16
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