The following publications are possibly variants of this publication:
- Low-Voltage Linearly Tunable CMOS Transconductor with Common-Mode FeedforwardBelén Calvo, Santiago Celma, Maria Teresa Sanz, Juan Pablo Alegre. iscas 2007: 461-464 [doi]
- A High-Linear Low-voltage CMOS Tunable Transconductor for VHF FilteringBelén Calvo, Santiago Celma, Maria Teresa Sanz, Jaime Ramírez-Angulo. icecsys 2006: 86-89 [doi]
- A high-linear wide-tunable CMOS transconductor for video frequency applicationsBelén Calvo, Santiago Celma, Maria Teresa Sanz, Pedro A. Martínez. mr, 44(7):1189-1198, 2004. [doi]