
GRAYCHIP,INC.
-iv -
APRIL 27, 1999
GC4014 QUAD RECEIVER CHIP
DATA SHEET REV 0.5
This document contains information which may be changed at any time without notice
LIST OF FIGURES
Figure 1:
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Figure 4:
Figure 5:
Figure 6:
Figure 7:
Figure 8:
Figure 9:
Figure 10: Serial Output Formats...................................................................................................................11
Figure 11: Overall Frequency Response for GSM.........................................................................................32
Figure 12: Overall Frequency Response for DAMPS.....................................................................................34
GC4014 Block Diagram ..................................................................................................................1
Control I/O Timing...........................................................................................................................3
The Down Converter Channel.........................................................................................................4
NCO Circuit.....................................................................................................................................5
Example NCO Spurs.......................................................................................................................5
NCO Peak Spur Scan Plot..............................................................................................................6
Four Stage CIC Decimate by N Filter..............................................................................................6
Combined CFIR and CIC Frequency Response.............................................................................7
Overall CIC-CFIR-PFIR Response .................................................................................................8
LIST OF TABLES
Table 1:
Table 2:
Table 3:
Table 4:
Table 5:
Table 6:
Table 7:
Table 8:
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Table 10:
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Table 18:
Output Summation Modes ..............................................................................................................9
TDM Modes...................................................................................................................................10
Latency..........................................................................................................................................13
Sync Modes ..................................................................................................................................17
Mask Revision History...................................................................................................................24
Absolute Maximum Ratings ..........................................................................................................28
Recommended Operating Conditions...........................................................................................28
Thermal Data ................................................................................................................................28
DC Operating Conditions..............................................................................................................29
AC Characteristics (-40 To +85C Ambient, unless noted) ............................................................30
GSM Configuration........................................................................................................................33
DAMPS Configuration...................................................................................................................35
Diagnostic Test 1 Configuration....................................................................................................36
Diagnostic Test 2 Configuration....................................................................................................36
Diagnostic Test 3 Configuration....................................................................................................37
Diagnostic Test 4 Configuration....................................................................................................37
Output Test Configuration.............................................................................................................38
Test Output Sequence..................................................................................................................38