Title :
A baseband mixed signal ASIC for CDMA subscriber equipment applications
Author :
Nettles, MaryJo ; Robert, Christopher ; Weiland, Ana ; Wheatley, Charles E., III ; McKay, Ian ; Ulbrich, Steven
Author_Institution :
QUALCOMM Inc., San Diego, CA, USA
Abstract :
An implementation of the baseband mixed signal processing required in a code division multiple access (CDMA) telephone is discussed. These processing blocks include quadrature up and down conversion between a 5 MHz intermediate frequency and baseband, active filtering, A/D and D/A converters clocking at 10 MHz, and clock conditioning circuits
Keywords :
analogue processing circuits; analogue-digital conversion; bipolar analogue integrated circuits; cellular radio; code division multiple access; digital-analogue conversion; mixed analogue-digital integrated circuits; 10 MHz; ADC; CDMA subscriber equipment; CDMA telephone; D/A converters; active filtering; baseband mixed signal ASIC; clock conditioning circuits; down conversion; portable telephone; quadrature conversion; up conversion; Active filters; Application specific integrated circuits; Baseband; Clocks; Demodulation; Filtering; Multiaccess communication; Nonlinear distortion; Signal processing; Telephony;
Conference_Titel :
ASIC Conference and Exhibit, 1993. Proceedings., Sixth Annual IEEE International
Conference_Location :
Rochester, NY
Print_ISBN :
0-7803-1375-5
DOI :
10.1109/ASIC.1993.410799
