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   IS-95 Long Code Generator (LONGCD95)       

IS-95 Long Code Generator (LONGCD95)

 

 


Property

Description

Units

Default

Range/Type

NB

Number of bits

None

100

[0,INF)/Integer

BR

Output bit rate

MHz

1.2288

[0,INF)/Real

INITIAL_CONTENT

Initial contents of the shift register in decimal

None

1

[0,INF)/Integer

File

Name of the external file with the tap connections of the shift register

None

Required

String

ROUT

Output impedance

Ohm

0

[0, Inf)/Real

Ports

Output

Output signal (real)

 

Notes

1. File name must have a “.dsp” extension (See the Data Formats chapter.)

2. This model implements the IS-95 long code sequence generator.

Netlist Form

LONGCD95:Name n1 NB=val BR=val INITIAL_CONTENT=val [Rout=Val]

Netlist Example

LONGCD95:1 1 NB=100 BR=1.2288MHz INITIAL_CONTENT=97023

References

1. Mobile-Station Compatibility Standard for Dual-Mode Wideband Spread Spectrum Cellular System” TIA/EIA/IS-95-A, May 1995.



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