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FX980 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - TETRA Baseband Processor - CML Microcircuits

भाग संख्या FX980
समारोह TETRA Baseband Processor
मैन्युफैक्चरर्स CML Microcircuits 
लोगो CML Microcircuits लोगो 
पूर्व दर्शन
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<?=FX980?> डेटा पत्रक पीडीएफ

FX980 pdf
TETRA Baseband Processor
FX980
Section
CONTENTS
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Page
1.0 FEATURES .......................................................................................................................................1 .
1.1 BRIEF DESCRIPTION....................................................................................................................... 1
1.2 BLOCK DIAGRAM ............................................................................................................................ 3
1.3 SIGNAL LIST .................................................................................................................................... 4
1.4 EXTERNAL COMPONENTS ............................................................................................................. 6
1.5 GENERAL DESCRIPTION ................................................................................................................ 7
1.5.1 Connection and Decoupling of Power Supplies................................................................... 7
1.5.2 Tx Data Path ............................................................................................................................ 8
1.5.2.1 Modulator.............................................................................................................................. 8
1.5.2.2 Filters.................................................................................................................................... 8
1.5.2.3 Gain Multiplier ........................................................................................................................ 8
1.5.2.4 Offset Adjust .......................................................................................................................... 8
1.5.2.5 Sigma-Delta D-A Converters and Reconstruction Filters......................................................... 8
1.5.2.6 Phase Pre-distortion............................................................................................................... 8
1.5.2.7 Ramping Output Amplitude .................................................................................................... 8
1.5.3 Rx Data Path............................................................................................................................ 9
1.5.3.1 Anti-Alias Filtering and Sigma-Delta A-D Converters .............................................................. 9
1.5.3.2 Filters..................................................................................................................................... 9
1.5.3.3 Offset Registers ..................................................................................................................... 9
1.5.3.4 I and Q Channel Gain............................................................................................................. 9
1.5.4 Auxiliary Circuits .................................................................................................................... 9
1.5.4.1 10-Bit DACs ........................................................................................................................... 9
1.5.4.2 10-Bit ADC............................................................................................................................. 9
1.5.4.3 Power Ramping and Control................................................................................................. 10
1.5.5 IRQ Function ......................................................................................................................... 10
1.5.6 Serial Interface ...................................................................................................................... 10
1.5.6.1 Command Interface.............................................................................................................. 11
1.5.6.2 Command Read Interface .................................................................................................... 12
1.5.6.3 Rx Data Interface ................................................................................................................. 12
1.5.6.4 Transmission of Data ........................................................................................................... 12
1.5.6.5 Command Control Serial Word............................................................................................. 13
1.5.7 Register Description ............................................................................................................. 14
1.5.7.1 Register and Access Point Summary ................................................................................... 16
1.6 APPLICATION NOTES ................................................................................................................... 33
1.6.1 General................................................................................................................................... 33
1.6.2 Transmitter ............................................................................................................................. 33
1.6.3 Receiver ................................................................................................................................. 33
1.6.4 Timing..................................................................................................................................... 33
1.7 PERFORMANCE SPECIFICATION................................................................................................. 33
1.7.1 Electrical Performance ............................................................................................................ 33
1.7.2 Packaging ............................................................................................................................... 33
Note: As this product is still in development, it is likely that a number of changes and additions will be made
to this specification. Items marked TBD or left blank will be included in later issues. Information in this
data sheet should not be relied upon for final product design.
© 1997 Consumer Microcircuits Limited
2
D/980/3

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