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Not Recommended for New Designs
GC5018
www.ti.com
SLWS169B –MAY 2005–REVISED OCTOBER 2013
GC5018 8-CHANNEL WIDEBAND RECEIVER
Check for Samples: GC5018
1 Introduction
1.1 FEATURES
1
• Four 16-Bit CMOS ADC Input Ports • 1.5V Digital Core Supply, 3.3V Digital I/O
Supply
• Programmable Closed Loop VGA Control With
6-Bit Outputs for Each ADC Input Port • 305 Ball Plastic BGA (19 mm x 19 mm) With 1.0
mm Pitch
• Provide Received Total Wide Band Power
(RTWP) Measurement for the Composite Power • Power Dissipation: 2.5W
Across Carriers With Programmable Time
Window for Measurement
1.2 APPLICATIONS
• 8 UMTS Digital Down Converter (DDC)
• Wireless Base Station Receiver
Channels or 16 CDMA or 16 TD-SCDMA DDC
• Multi-Carrier Digital Receiver
Channels With Programmable 18 Bit Filter
Coefficients
• UMTS (4 Carriers-1 Sector With Diversity)
• Each DDC channel includes
• CDMA (8 Carriers-1 Sector With Diversity)
– Real or Complex DDC Inputs
• TD-SCDMA (16 Carriers-1 Sector Without
– 115 dB SFDR NCO
Diversity, 8 Carriers-1-Sector With Diversity)
– UMTS Mode Rx Filtering: 6 Stage CIC (m=1
• Digital Radio Receivers
or 2), Up to 40 Tap CFIR, Up to 64 Tap PFIR
• Wide Band Receivers
– CDMA Mode Rx Filtering: 6 Stage CIC (m=1
or 2), Up to 64 Tap CFIR, Up to 64 Tap PFIR
• Software Radios
– Power Measurements
• Wireless Local Loop
– Final AGC
• Intelligent Antenna Systems
1.3 DESCRIPTION
The GC5018 is a multi-channel communications signal processor that provides digital downconversion
optimized for cellular base transceiver systems. The device supports UMTS, CDMA-1X and TD-SCDMA
air interface cellular standards.
The chip provides up to 8 UMTS digital downconverter channels (DDC), 16 CDMA DDCs or 16 TD-
SCDMA DDCs. The DDC channels are independent and operate simultaneously.
The GC5018 has four 16-bit inputs. Each DDC channel can be programmed to accept data from any one
(or two for complex input mode) of the four input ports.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date. Products conform to
Copyright © 2005–2013, Texas Instruments Incorporated
specifications per the terms of the Texas Instruments standard warranty. Production
processing does not necessarily include testing of all parameters.
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