參數(shù)資料
型號: ZL20250
廠商: Zarlink Semiconductor Inc.
英文描述: 2.5G Multimode Transceiver
中文描述: 2.5G的多模收發(fā)器
文件頁數(shù): 34/56頁
文件大?。?/td> 392K
代理商: ZL20250
ZL20250
Data Sheet
34
Zarlink Semiconductor Inc.
2.3.2 UHF PLL Charge Pump Current
Bits 5,4 select the charge pump current for the UHF PLL as shown below:
2.3.3 Receive LO Set Up
Bits 19,18 select the charge pump current for the receive VHF PLL as shown below:
<8>
<7>
Frac N Denom.
0
0
5
0
1
8
1
0
13
1
1
20
<5>
<4>
Current (mA)
0
0
1.00
0
1
0.50
1
0
0.25
1
1
0.125
Register Bit No.
Action if '0'
Action if '1'
22
High side Rx second LO injection
Low side Rx second LO injection
21
Rx second LO = VCO/2
Rx second LO = VCO/4
20
Rx LO phase detector polarity normal
Rx LO phase detector polarity inverted
19
Receive VHF PLL Charge Pump Current - see table below
18
<19>
<18>
Current (mA)
0
0
1.00
0
1
0.50
1
0
0.25
1
1
0.125
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