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LMX2411 Datasheet

Part Number LMX2411
Manufacturers National Semiconductor
Logo National Semiconductor
Description Baseband Processor
Datasheet LMX2411 DatasheetLMX2411 Datasheet (PDF)

www.DataSheet4U.com LMX2411 Baseband Processor for Radio Communications PRELIMINARY September 1993 LMX2411 Baseband Processor for Radio Communications General Description The LMX2411 is a monolithic integrated baseband processor suitable for use in Digital European Cordless Telecommunications (DECT) systems as well as other mobile telephony and wireless communications applications It is fabricated using National’s ABiC IV BiCMOS process (fT e 15 GHz) The LMX2411 contains both transmit and rec.

  LMX2411   LMX2411






Baseband Processor

www.DataSheet4U.com LMX2411 Baseband Processor for Radio Communications PRELIMINARY September 1993 LMX2411 Baseband Processor for Radio Communications General Description The LMX2411 is a monolithic integrated baseband processor suitable for use in Digital European Cordless Telecommunications (DECT) systems as well as other mobile telephony and wireless communications applications It is fabricated using National’s ABiC IV BiCMOS process (fT e 15 GHz) The LMX2411 contains both transmit and receive functions The transmitter utilizes a low power high speed digital-toanalog converter (DAC) and a mask programmable Read Only Memory (ROM) to generate a Gaussian filter pulse shape The receiver includes a high speed low power voltage comparator for making hard decisions on incoming data and a CMOS switch coupled with a sample and hold circuit for DC compensation Supply voltage can range from 2 85V to 3 6V The LMX2411 features very low current consumption of 2 5 mA transmit and 5 mA receive (steady state) It also has separate power down pins for transmit and receive functions to further reduce power consumption The LMX2411 can be used with the LMX2216B LNA Mixer the LMX2240 IF Receiver and the LMX2320 Phase-Locked Loop to form a complete RF front end solution These chips form the major blocks of an RF front end solution for DECT The LMX2411 is available in a 16-pin JEDEC surface mount plastic package Features Y Y Y Y Y Y Y Y High speed voltage comparator (40 ns settling time) G.


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