GC5316 datasheet(25/75 Pages) TI

25 / 75 page

GC5316

SLWS154A − JANUARY 2004 − REVISED MARCH 2004

www.ti.com

GC5316 Transmit

Transm it

Output D ata

(to D/ As)

DUCs 2−9

txin_0_a

txin_0_b

txin_1_a

txin_10_a

txin_10_b

txin_11_a

txin_11_b

tx_syn c_out_0

tx_syn c_out_5

DU C 11

2 CDMA2000

or 1 UMTS

DUC 1 0

2 CDMA2000

or 1 UMTS

DUC 1

2 CDMA2000

or 1 UMTS

DU C 0

2 CDMA2000

or 1 UMTS

Tra nsm it

Ou tpu t

I nte rface

I/Q CD MA Ch A

I/Q CD MA Ch B

IU MTS

QU MTS

Fra me sync for DU C 10 & 11

Fra me sync for DU C 0 & 1

DU C 11 Inputs:

(baseband data)

I/Q CD MA Ch A

I/Q CD MA Ch B

IU MTS

QU MTS

DU C 10 Inputs:

I/ Q C DMA C h A

I/ Q C DMA C h B

IUMT S

QUMT S

DUC 1 Inp uts:

I/ Q C DMA C h A

I/ Q C DMA C h B

IUMT S

QUMT S

DUC 0 Inp uts:

txclk

Transmit Syncs

tx_synca

tx_syncb

tx_syncc

tx_syncd

Transmit

Input Syncs

tx_sync_out

SumChain Out

Sum Chain

SumChain

Sum Chain

For UMTS

For CDMA

Figure 20. Transmit Section

The GC5316 transmit section provides up to 24 CDMA2000 or 12 UMTS digital upconversion (DUC) channels. There

are 12 DUC blocks, DUC 0 through DUC 11. Each block can be configured as a single UMTS channel or two CDMA

channels.

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