1. Design of signal-flow-graph (SFG) active filters.;Martin;IEEE Transactions on Circuits and Systems,1978
2. Simulating lossless ladders with transconductance-C circuits.;Schaumann;IEEE Transactions on Circuits and Systems II,1998
3. Design of analog filters: Passive, Active RC, and Switched Capacitor.;Schaumann,1990
4. A linear fully balanced CMOS OTA for VHF filtering applications.;Szczepanski;IEEE Transactions on Circuits and Systems, II,1997
5. Modern active filter design.;Schaumann,2001