Title :
Direct-conversion quadrature-modulator for 0.8-GHz with flip-chip passives [BiCMOS RF IC]
Author :
Tiiliharju, Esa ; Friman, Aka ; Halonen, Kari
Author_Institution :
Electron. Circuit Design Lab., Helsinki Univ. of Technol., Espoo, Finland
Abstract :
This direct-conversion quadrature-modulator for 0.8-1 GHz combines a highly linear DC-connected DB-mixer, 50 Ω matched input and output buffers, a two-stage polyphase filter for in/quadrature-phase local generation, and flip-chip passives for better than 42 dB spurious attenuation
Keywords :
BiCMOS integrated circuits; UHF filters; UHF integrated circuits; UHF mixers; flip-chip devices; modulators; 0.8 to 1 GHz; BiCMOS RF IC; direct-conversion quadrature-modulator; flip-chip passives; highly linear DC-connected DB-mixer; in-phase local generation; quadrature-phase local generation; spurious attenuation; two-stage polyphase filter; Baseband; BiCMOS integrated circuits; Bonding; Impedance matching; Nonlinear filters; Packaging; Power harmonic filters; Preamplifiers; Radio frequency; Wires;
Conference_Titel :
ASIC/SOC Conference, 2000. Proceedings. 13th Annual IEEE International
Conference_Location :
Arlington, VA
Print_ISBN :
0-7803-6598-4
DOI :
10.1109/ASIC.2000.880685
