Title :
A wideband linear amplitude modulator for polar transmitters based on the concept of interleaving delta modulation
Author :
Nagle, P.J. ; Burton, D.P. ; Heaney, E.P. ; McGrath, F.J.
Author_Institution :
Limerick Univ., Ireland
Abstract :
A wideband amplitude modulator for use with an RF polar transmitter is based on interleaving delta modulation to improve linearity and reduce switching loss, filter size, and EMI. A 0.35 /spl mu/m CMOS 0.35 mm/sup 2/ chip verifies the iDM concept.
Keywords :
CMOS analogue integrated circuits; amplitude modulation; delta modulation; modulators; radio transmitters; 0.35 micron; CMOS chip; EMI; RF polar transmitter; filter size; interleaving delta modulation; linearity; switching loss; wideband linear amplitude modulator; Amplitude modulation; Delta modulation; Electromagnetic interference; Filters; Interleaved codes; Linearity; Radio frequency; Switching loss; Transmitters; Wideband;
Conference_Titel :
Solid-State Circuits Conference, 2002. Digest of Technical Papers. ISSCC. 2002 IEEE International
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-7803-7335-9
DOI :
10.1109/ISSCC.2002.993049
