List of Articles Transconductance amplifier Open Access Article Abstract Page Full-Text 1 - A Bulk-Driven Variable Gain OTA in 180nm CMOS Technology Mohammad Anvari Farshad Babazadeh Open Access Article Abstract Page Full-Text 2 - A 0.5 V Operational Transconductance Amplifier Based on Dynamic Threshold-Voltage MOSFET and Floating Gate MOSFET Inverters in 180 nm CMOS Technology Amir Baghi Rahin Vahid Baghi Rahin Open Access Article Abstract Page Full-Text 3 - A Low-Voltage and Low-Power Programmable "G" _"m" "-C" Filter for Wireless Applications Amir Baghi Rahin Ziaadin Daei Koozeh Kanani