Highly sensitive CMOS passive wake-up circuit

• Published in: 2008 Asia-Pacific Microwave Conference pp. 1 - 4
• Main Authors: Hanjin Cho, Hyungchul Kim, Yao Xi, Minsu Kim, Sungwook Kwon, Tajun Park, Haksun Kim, Youngoo Yang
• Format: Conference Proceeding
• Language: English
• Published: IEEE 01.12.2008
• Subjects: Circuits; CMOS process; CMOS technology; Inverters; Protection; Radio frequency; RF signals; Schottky diodes; Threshold voltage; Wireless sensor networks

We implement a passive wake-up circuit with high voltage sensitivity using standard CMOS technology. We propose voltage multipliers and inverter chain optimized for high voltage sensitivity. The wake-up circuit converts small RF input signals into a DC signal to trigger the interrupt. Using an RF in...