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LMX2305

National Semiconductor
Part Number LMX2305
Manufacturer National Semiconductor
Description 550 MHz Frequency Synthesizer
Published Apr 25, 2005
Detailed Description LMX2305 PLLatinum 550 MHz Frequency Synthesizer for RF Personal Communications PRELIMINARY August 1996 LMX2305 PLLatin...
Datasheet PDF File LMX2305 PDF File

LMX2305
LMX2305

Overview
LMX2305 PLLatinum 550 MHz Frequency Synthesizer for RF Personal Communications PRELIMINARY August 1996 LMX2305 PLLatinum TM 550 MHz Frequency Synthesizer for RF Personal Communications General Description The LMX2305 is a high performance frequency synthesizer with an integrated prescaler designed for RF operation up to 550 MHz It is fabricated using National’s ABiC IV BiCMOS process The LMX2305 contains a dual modulus prescaler which can select either a 64 65 or a 128 129 divide ratio at input frequencies of up to 550 MHz LMX2305 which employs the digital phase lock loop technique combined with a high quality reference oscillator and a loop filter provides the tuning voltage for the voltage controlled oscillator to generate a very stable low noise local oscillator signal Serial data is transferred into the LMX2305 via a three line MICROWIRETM interface (Data Enable Clock) Supply voltage can range from 2 65V to 5 5V The LMX2305 features very low current consumption typically 4 0 mA a...


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