GC5016 Datasheet, PDF (47/88 Pages) Texas Instruments – WIDEBAND QUAD DIGITAL DOWN CONVERTER/ UP CONVERTER

www.ti.com
GC5016
SLWS142G − JANUARY 2003 − REVISED NOVEMBER 2005
Table 3. DUC Output Formats
Modes
Output Ports
CMD5016 Keyword Values
Rate Real Sum AO
BO
CO
DO
tout_rate tout_cmplx
or IQ
The following modes assume no external sum IO with standard 16 bit resolution (tout_sumio=0 and tout_res=0)
full real none AI
BI
CI
DI
1
0
full real pairs (AI+BI)
(CI+DI)
off
off
1
0
full real all
(AI+BI+CI+DI)
off
off
off
1
0
full IQ
pairs (AI+BI)
(AQ+BQ)
(CI+DI)
(CQ+DQ)
1
1
full IQ
all
(AI+BI+CI+DI)
(AQ+BQ+CQ+DQ)
off
off
1
1
half IQ
none AI, AQ
BI, BQ
CI, CQ
DI, DQ
0
1
half IQ
pairs (AI+BI), (AQ+BQ)
(CI+DI), (CQ+DQ)
off
off
0
1
half IQ
all
(AI+BI+CI+DI),
off
(AQ+BQ+CQ+DQ)
off
off
The following modes assume external sum IO is used with standard 16 bit resolution (tout_sumio=1 and tout_res=0)
full real all
extI+(AI+BI+CI+DI)
off
extI (input port) off
1
0
full IQ
all
extI+ (AI+BI+CI+DI)
extQ+(AQ+BQ+CQ+DQ)
extI (input port) extQ (input port)
1
1
half IQ
all
extI+ (AI+BI+CI+DI),
off
extQ+(AQ+BQ+CQ+DQ)
extI, extQ
off
(input port)
0
1
The following modes assume external sum IO is used with wide 22 bit resolution (tout_sumio=1 and tout_res=1)
full real all
16 MSBs of
extI+(AI+BI+CI+DI)
6 LSBs of
extI+(AI+BI+CI+DI)
16 MSBs of extI 6 LSBs of extI
1
0
(input port)
(input port)
half IQ
all
16 MSBs of
extI+ (AI+BI+CI+DI),
extQ+(AQ+BQ+CQ+DQ)
6 LSBs of
extI+ (AI+BI+CI+DI),
extQ+(AQ+BQ+CQ+DQ)
16 MSBs of
extI, extQ
(input port)
6 LSBs of
extI, extQ
(input port)
0
1
The following modes are for splitIQ, no external sum IO, and standard resolution (split_IQ=1, tout_sumio=0, tout_res=0)
full real none ABI
CDI
off
off
1
0
full real all
(ABI+CDI)
off
off
off
1
0
full IQ
none ABI
ABQ
CDI
CDQ
1
1
full IQ
all
(ABI+CDI)
ABQ+CDQ
off
off
1
1
half IQ
none (ABI, ABQ)
CDI, CDQ
off
off
0
1
half IQ
all
ABI+ABQ, CDI+CDQ
off
off
off
0
1
The following modes are for splitIQ, using external sum IO, and standard resolution (split_IQ=1, tout_sumio=1, tout_res=0)
full real all
extI+(ABI+CDI)
off
extI (input port) off
1
0
full IQ
all
extI+(ABI+CDI)
extQ+(ABQ+CDQ)
extQ (input port) off
1
1
half IQ
all
extI+(ABI+ABQ),
off
extQ+(CDI+CDQ)
extI, extQ
off
(input port)
0
1
The following modes are for splitIQ, using external sum IO, and wide resolution (split_IQ=1, tout_sumio=1, tout_res=1)
full real all
16 MSBs of
extI+(ABI+CDI)
16 MSBs of
extI+(ABI+CDI)
16 MSBs of
16 MSBs of
1
0
extI (input port) extI (input port)
half IQ
all
16 MSBs of
extI+(ABI+ABQ),
extQ+(CDI+CDQ)
6 LSBs of
extI+(ABI+ABQ),
extQ+(CDI+CDQ)
16 MSBs of
extI, extQ
(input port)
6 LSBs of
extI, extQ
(input port)
0
1
The following modes are for double rate output, no external sum IO, standard resolution (split_IQ=1, tout_rate=2, tout_sumio=0, tout_res=0)
doub real
le
none ABIeven
ABIodd
CDIeven
CDIodd
2
0
doub real all
ABIeven+CDIeven
ABIodd+CDIodd
off
off
le
2
0
doub IQ
all
ABIeven+CDIeven
le
ABQeven+CDQeven
ABIodd+
CDIodd
ABQodd+
CDQodd
2
1
The following mode is for double rate output, with external sum IO, and standard resolution (split_IQ=1, tout_rate=2, tout_sumio=1, tout_res=0)
doub real all
le
extIeven +ABIeven+CDIeven extIodd+
ABIodd+CDIodd
extIeven
(input port)
extIodd
(input port)
2
0
tout_nsig
4
2
1
2
1
4
2
1
1
1
1
1
2
1
2
1
2
1
1
1
1
1
1
2
1
1
1
47