參數(shù)資料
型號(hào): LMX2434
廠(chǎng)商: National Semiconductor Corporation
英文描述: PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
中文描述: PLLatinum雙高頻率合成射頻個(gè)人通信
文件頁(yè)數(shù): 39/49頁(yè)
文件大?。?/td> 943K
代理商: LMX2434
2.0 Programming Description
(Continued)
2.4 R0 REGISTER
The R0 register contains the RF_R, RF_CPP, RF_CPG, RF_CPT, and RF_RST control words, in addition to two of the four bits
that compose the MUX control word. The detailed descriptions and programming information for each control word is discussed
in the following sections.
Reg
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DATA[20:0] FIELD
ADDRESS
[2:0]
FIELD
R0
MUX[3:2]
RF_
RST
RF_
CPT
RF_
CPG
RF_
CPP
RF_R[14:0]
0
0
0
2.4.1 RF_R[14:0] - RF Synthesizer Programmable Reference Divider (R Counter) (R0[17:3])
The RF reference divider (RF_R) can be programmed to support divide ratios from 3 to 32767. Divide ratios less than 3 are
prohibited.
Divide Ratio
RF_R[14:0]
7
0
0
1
14
0
0
1
13
0
0
1
12
0
0
1
11
0
0
1
10
0
0
1
9
0
0
1
8
0
0
1
6
0
0
1
5
0
0
1
4
0
0
1
3
0
0
1
2
0
1
1
1
1
0
1
0
1
0
1
3
4
32767
2.4.2 RF_CPP - RF Synthesizer Phase Detector Polarity (R0[18])
The RF_CPP bit is used to control the RF synthesizer’s phase/ frequency detector polarity based on the VCO tuning
characteristics.
Control Bit
Register Location
Description
Function
0
1
RF_CPP
R0[18]
RF Phase/
Frequency Detector
Polarity
RF VCO Negative
Tuning
Characteristics
RF VCO Positive
Tuning
Characteristics
RF VCO Characteristics
20053567
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相關(guān)PDF資料
PDF描述
LMX2434TM PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2434TMX PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2430SLEX PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2430TM PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
LMX2430TMX PLLatinum Dual High Frequency Synthesizer for RF Personal Communications
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2434EVAL 功能描述:時(shí)鐘和定時(shí)器開(kāi)發(fā)工具 LMX2434 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類(lèi)型:Clock Conditioners 工具用于評(píng)估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V
LMX2434EVAL/NOPB 功能描述:時(shí)鐘和定時(shí)器開(kāi)發(fā)工具 LMX2434 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類(lèi)型:Clock Conditioners 工具用于評(píng)估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V
LMX2434SLEX 制造商:Texas Instruments 功能描述:PLL Frequency Synthesizer Dual 500MHz to 5000MHz 20-Pin LAM UCSP T/R
LMX2434SLEX/NOPB 功能描述:鎖相環(huán) - PLL RoHS:否 制造商:Silicon Labs 類(lèi)型:PLL Clock Multiplier 電路數(shù)量:1 最大輸入頻率:710 MHz 最小輸入頻率:0.002 MHz 輸出頻率范圍:0.002 MHz to 808 MHz 電源電壓-最大:3.63 V 電源電壓-最小:1.71 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:QFN-36 封裝:Tray
LMX2434TM 制造商:Texas Instruments 功能描述:PLL Frequency Synthesizer Dual 500MHz to 5000MHz 20-Pin TSSOP Rail