參數(shù)資料
型號(hào): LMX2330UTMX/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO20
封裝: 0.173 INCH, PLASTIC, TSSOP-20
文件頁(yè)數(shù): 41/49頁(yè)
文件大?。?/td> 4568K
代理商: LMX2330UTMX/NOPB
2.0 Programming Description (Continued)
2.7.3 PRE RF
RF Synthesizer Prescaler Select
RF N[20]
The RF synthesizer utilizes a selectable dual modulus prescaler.
LMX2330U RF Synthesizer Prescaler Select
Control Bit
Register Location
Description
Function
01
PRE RF
RF N[20]
RF Prescaler Select
32/33 Prescaler
Selected
64/65 Prescaler
Selected
LMX2331U and LMX2332U RF Synthesizer Prescaler Select
Control Bit
Register Location
Description
Function
01
PRE RF
RF N[20]
RF Prescaler Select
64/65 Prescaler
Selected
128/129 Prescaler
Selected
2.7.4 PWDN RF
RF SYNTHESIZER POWERDOWN
RF N[21]
The PWDN RF bit is used to switch the RF PLL between a powered up and powered down mode.
Furthermore, the PWDN RF bit operates in conjuction with the TRI-STATE ID
o RF bit to set a synchronous or an asynchronous
powerdown mode.
Control Bit
Register Location
Description
Function
01
PWDN RF
RF N[21]
RF Powerdown
RF PLL Active
RF PLL Powerdown
LMX2330U/LMX2331U/LMX2332U
www.national.com
46
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMX2331 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:PLLatinum⑩ Low Power Dual Frequency Synthesizer for RF Personal Communications
LMX2331 WAF 制造商:Texas Instruments 功能描述:
LMX2331A 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:PLLatinum⑩ Dual Frequency Synthesizer for RF Personal Communications
LMX2331ATM 制造商:Texas Instruments 功能描述:
LMX2331ATMX 功能描述:IC FREQ SYNTH DUAL 20-TSSOP RoHS:否 類(lèi)別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:PLLatinum™ 標(biāo)準(zhǔn)包裝:39 系列:- 類(lèi)型:* PLL:帶旁路 輸入:時(shí)鐘 輸出:時(shí)鐘 電路數(shù):1 比率 - 輸入:輸出:1:10 差分 - 輸入:輸出:是/是 頻率 - 最大:170MHz 除法器/乘法器:無(wú)/無(wú) 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類(lèi)型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*