Proposed Title :

CMOS Implementation of Multipath Full Differential OTA with Two Flipper Voltage Follower at 65nm and 45nm CMOS Technology

Improvement of this project :

• To design two flipped voltage follower with multipath fully differential amplifier OTA at 65 nm and 45 nm CMOS technology and compared with parameters with existing 180 nm CMOS Technology.

Software Implementation:

• Tanner EDA

Proposed System:

Utilizing numerous input-to-output pathways, this study creates a very efficient completely differential trans conductance amplifier. Some classic approaches, including as positive feedback, nonlinear tail current sources, and current mirror-based routes, are coupled to boost trans conductance, resulting in a greater dc gain and gain bandwidth (GBW) product. To ensure class-AB operation and adaptive biasing of all other drivers, two flipped voltage-follower (FVF) cells are used as variable current sources. Several input-to-output pathways in the proposed topology act as dynamic current boosters during the slewing phase, boosting slew rate (SR) performance. The present OTA-based architectural solution was created utilizing 180 nm CMOS technology at 1.8V. The proposed method of Stage two flipped voltage follower with multipath fully differential amplifier OTA architecture was developed at 45nm using 1.4V and 65nm using 1.6V CMOS technology, and finally this work was developed in Tanner EDA tool, and the comparison of delay and power consumptions was demonstrated.

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Implementation of a Multipath Fully Differential OTA in 0.18-μm CMOS Process