Novel CMOS Second-Generation Current-Controlled Conveyor Based on Modified Differential-Pair Input-Stage

The modified CMOS differential-pair, containing only eight MOSFETs, is utilized to implement a second-generation current-controlled conveyor (CCCII) instead of the traditional translinear structure, which requires thirteen MOSFETs at least. Based on the AMS’s 0.35μ CMOS process, HSPICE simulations under the recommendation of ±1.5V supply voltages provide the observation of good CCCII’s characteristics including of the maximum bias current of 140-μA related with the 350-MHz pole-frequency of the adjustable intrinsic transresistance at port X, and over 100-MHz of the reasonably exact performances of input and output stages. The lower supply voltages are also examined at ±0.75V and ±0.5V, which are able to operate with lower maximum bias current and pole-frequency.