A Folded-Cascode OTA with SKY130 PDK

A folded-cascode OTA designed with Google-skywater 130nm pdk that is supplied with 3.3V is presented in this repo.

EDA tools, PDK and requirements

For tools, PDK and bias circuit that are used in this repo, check my previous repo

Schematic

Results

1) Operating point analysis (op)

2) Open-loop response

Testbench

Gain and phase

               

3) Step response

Testbench and plot

               

4) Slew-rate

Testbench and plot

               

5) CMRR

Testbench

Gain and phase

               

6) PSRR

Testbench

PSRR (p)(n)Gain