A Fully/Independently Tunable Voltage-mode PID Controller Using Voltage Differencing Gain Amplifiers with Electronic Method. - Jirawat Hirunporm; Montree Siripruchyanun (TSP, 2019)

An Independently/Electronically Tunable Voltage-mode Multi-function Filter Using VDGAs. - Jirawat Hirunporm; Montree Siripruchyanun (SICE, 2020)