Different op amp gains using different spectre analysis
I am new to analog design. I have created an op-amp schematic and tried to get open loop gain by 2 ways:(Simulation uses cadence virtuoso)
1) Transient analysis: applied a ramp pulse of 0->VDD to +ve input [with a dc value of VDD/2] and kept -ve input to Vdd/2, then plotted Vout vs V+ and took its derivative, this gave me 1300
2) DC ...