An integrated multi-scroll circuit with floating-gate MOSFETs

This paper proposes a multi-scroll circuit that is fast, compact, versatile, and suitable for CMOS implementation. The circuit uses a high-Q CMOS active inductor circuit as a simulated inductor. We use parallel combinations of N-type conductance circuits with floating-gate MOSFETs to create high-order piecewise-linear negative conductances. We integrate the proposed circuit with MOSIS TSMC 0.35 /spl mu/m CMOS process. HSPICE simulation results and experimental results from the prototype chip are shown.