參數(shù)資料
型號(hào)： ZL20200LDF1
廠商： Zarlink Semiconductor Inc.
英文描述： Dual Band IS136/AMPS Transceiver
中文描述： 雙頻IS136/AMPS收發(fā)器
文件頁(yè)數(shù)： 31/51頁(yè)
文件大?。?/td> 485K
代理商： ZL20200LDF1
ZL20200
Data Sheet
31
Zarlink Semiconductor Inc.
2.3 Synthesizer Register - Address 5
This register sets up LO options for receive and transmit and also UHF synthesizer set up.
Bits 23,17,14 are also used for UHF PLL and LO set up.
Bits 16,15 are not used and should be set to zero.
2.3.1 UHF PLL and LO
Note 1:
Note 2:
Bit 14 is only effective if 1900 MHz mode has been selected (register 4 Bit 7).
Bit 23 is only effective if 1900 MHz mode has been selected (register 4 Bit 7) and the UHF frequency doubler selected
(Register 5 Bit 14). This control allows the use of the doubled frequency to be used as the input to the UHF PLL.
Fractional N Denominator.
Bits 8,7 select the fractional N denominator for the UHF PLL as shown below:
Note 3:
Note 4:
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
1
0
1
UI
RX LO2 Set Up
UC
DL
UD
TX LO Set Up
UHF PLL Set Up
Address
Register Bit No.
Action if '0'
Action if '1'
23
UHF PLL input = 900 MHz
UHF PLL input = 1900 MHz
17
Fractional N Compensation selected
14
UHF Doubler Selected
8
Fractional N Denominator - see table below
7
6
Not Used - Set to 0
5
UHF PLL Charge Pump Current - see table below
4
Table 16 - UHF PLL and LO Control
<8>
<7>
Frac N Denom.
0
0
5
0
1
8
1
0
13
1
1
20
Table 17 - Fractional N Denominator
相關(guān)PDF資料
PDF描述
ZL20200LDG Dual Band IS136/AMPS Transceiver
ZL20200LDG1 Dual Band IS136/AMPS Transceiver
ZL20200 Dual Band IS136/AMPS Transceiver
ZL20200LCE Dual Band IS136/AMPS Transceiver
ZL20200LCF Dual Band IS136/AMPS Transceiver
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ZL20200LDG 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Dual Band IS136/AMPS Transceiver
ZL20200LDG1 制造商:Microsemi Corporation 功能描述:
ZL20250 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:2.5G Multimode Transceiver
ZL20250/LCE 制造商:Microsemi Corporation 功能描述:RF TRNSCVR FM 56QFN - Bulk
ZL20250/LCF 制造商:Microsemi Corporation 功能描述:RF TRNSCVR FM 56QFN - Bulk
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