參數(shù)資料
型號: LMX1501
廠商: National Semiconductor Corporation
英文描述: PLLatinumTM 1.1 GHz Frequency Synthesizer for RF Personal Communications
中文描述: PLLatinumTM 1.1千兆赫頻率合成射頻個人通信
文件頁數(shù): 18/22頁
文件大小: 367K
代理商: LMX1501
Application Information
(Continued)
TL/W/12340–43
FIGURE 5. PLL Reference Spurs
The reference spurious level is
k
b
66 dBc, due to the loop
filter attenuation and the low spurious noise level of the
LMX1511.
TL/W/12340–45
FIGURE 6. PLL Phase Noise 3.5 kHz Offset
The phase noise level at 3 kHz offset is
b
65 dBc/Hz.
TL/W/12340–44
FIGURE 7. PLL Phase Noise
@
150 Hz Offset
The phase noise level at 150 Hz offset is
b
75.5 dBc/Hz.
TL/W/12340–42
FIGURE 8. Frequency Jump Lock Time
Of concern in any PLL loop filter design is the time it takes
to lock in to a new frequency when switching channels.Fig-
ure 8 shows the switching waveforms for a frequency jump
of 857 MHz–915 MHz. By narrowing the frequency span of
the HP53310A Modulation Domain Analyzer enables evalu-
ation of the frequency lock time to within
g
1 kHz. The lock
time is seen to be
k
1.6 ms for a frequency jump of 58 MHz.
18
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LMX15010AM 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.1 GHz Frequency Synthesizer for RF Personal Communications(367.82 k)
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LMX1501AMX 功能描述:IC FREQ SYNTHESIZR 1.1GHZ 16SOIC RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器,PLL,頻率合成器 系列:PLLatinum™ 標準包裝:39 系列:- 類型:* PLL:帶旁路 輸入:時鐘 輸出:時鐘 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/無 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LMX1511 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PLLatinumTM 1.1 GHz Frequency Synthesizer for RF Personal Communications