GRAYCHIP has been developing high speed CMOS signal processing chips for telecom markets since 1989. Our chip products include all-digital downconverters, upconverters, digital filters, and high speed QAM modem chip sets. GRAYCHIP's quad receiver and transmitter chips are ideal building blocks for cellular basestation systems.
GC4016 Multi-Standard Quad DDC: New revision (August 27, 2001) available! Download
GC4116 Multi-Standard Quad DUC: Download a data sheet on Graychip's latest digital upconverter chip. Download
We also have GC4016 tap coefficient sets optimised for GSM and IS-136 standards. Contact Graychip (email@example.com) for more information.
© Copyright 2001 GRAYCHIP, Inc. All rights reserved.
basestation base station BTS digital downconverter digital upconverter digital upconverters digital downconverters wireless local loop modulator DDC digital up-converters digital down-converters CIC FIR DUC AMPS D-AMPS PHS CDMA GSM decimation interpolation analog IS-136 IS-54 IS-95 PDC PHS NMT EDGE mixed standard multi-standard analog beamform smart antenna phased array mobile telecom WCDMA W-CDMA WB-CDMA WBCDMA UMTS hilbert