Inverter-Based Low-Voltage CCII- Design and Its Filter Application

This paper presents a negative type secondgeneration current conveyor (CCII-). It is based on an inverter-based low-voltage error amplifier, and a negative current mirror. The CCIIcould be operated in a very low supply voltage such as ±0.5 V. The proposed CCIIhas wide input voltage range (±0.24 V), wide output voltage (±0.24 V) and wide output current range (±24 mA). The proposed CCIIhas no on-chip capacitors, so it can be designed with standard CMOS digital processes. Moreover, the architecture of the proposed circuit without cascoded MOSFET transistors is easily designed and suitable for low-voltage operation. The proposed CCIIhas been fabricated in TSMC 0.18μm CMOS processes and it occupies 1189.911178.43μm (include PADs). It can also be validated by low voltage CCII filters.

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