A tri-mode continuous-time /spl Sigma//spl Delta/ modulator with switched-capacitor feedback DAC for a GSM-EDGE/CDMA2000/UMTS receiver

• Published in: 2003 IEEE International Solid-State Circuits Conference, 2003. Digest of Technical Papers. ISSCC pp. 60 - 477 vol.1
• Main Author: van Veldhoven, R.
• Format: Conference Proceeding
• Language: English
• Published: IEEE 2003
• Subjects: 3G mobile communication; CMOS integrated circuits; CMOS process; Dynamic range; Energy consumption; Feedback; GSM; Oscillators; Phase locked loops; Photonic band gap

Complex continuous-time fifth-order /spl Sigma//spl Delta/ modulator with 1b quantizer and switched-capacitor feedback DAC for a GSM/CDMA2000/UMTS receiver achieves a dynamic range of 92/83/74dB in 200/1228/3840kHz. Power consumption of one modulator is 3.8/4.1/4.5mW at 1.8V. Processed in 0.18/spl m...