參數(shù)資料
型號: 5503DCR
英文描述: Direct Conversion Receiver
中文描述: 直接轉換接收器
文件頁數(shù): 6/11頁
文件大小: 381K
代理商: 5503DCR
5503 DCR
Direct Conversion Receiver
DESCRIPTION OF INTERNAL REGISTERS
Register 0
VCO divide ratio, bits 14 thru 8, msb always set to 0
Register 1
VCO divide ratio, bits 7 thru 0
Register 2
msb
Not Used. Always set to 1
VCO divide ratio, bits 16 and 15
PE, Prescaler enable. PE=1 enables divide by two prescaler
R3,R2,R1,R0 Reference division ratio, as shown in following table:
R3 R2 R1 R0
6
Reference
division ratio
0 0 0 0
2
0 0 0 1
4
0 0 1 0
8
0 0 1 1
16
0 1 0 0
32
0 1 0 1
64
0 1 1 0
128
0 1 1 1
256
1 0 0 0
Undefined
1 0 0 1
5
1 0 1 0
10
1 0 1 1
20
1 1 0 0
40
1 1 0 1
80
1 1 1 0
160
1 1 1 1
320
Register 3
C1, C0
Phase detector current control, as shown in following table:
ipump word
C1 C0
Phase Detector
charge current
μ
A
0 0
100
0 1
200
1 0
300
1 1
400
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