Part Number
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LMX2487E |
Manufacturer
|
National Semiconductor |
Description
|
High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizers |
Published
|
May 31, 2007 |
Detailed Description
|
LMX2487E High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizer
May 2007
LMX2487E 7.5 GHz High Pe...
|
Datasheet
|
LMX2487E
|
Overview
LMX2487E High Performance Delta-Sigma Low Power Dual PLLatinum Frequency Synthesizer
May 2007
LMX2487E 7.
5 GHz High Performance Delta-Sigma Low Power Dual PLLatinumâ„¢ Frequency Synthesizers with 3.
0 GHz Integer PLL
General Description
The LMX2487E is a low power, high performance delta-sigma fractional-N PLL with an auxiliary integer-N PLL.
It is fabricated using National Semiconductor’s advanced process.
With delta-sigma architecture, fractional spurs at lower offset frequencies are pushed to higher frequencies outside the loop bandwidth.
The ability to push close in spur and phase noise energy to higher frequencies is a direct function of the modulator order.
Unlike analog compensation, t...
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