OP_CLOAD_OL.CIR - OPAMP WITH CAP LOAD - OPEN-LOOP FREQUENCY RESPONSE * VTEST 20 0 AC 1 * * CLOAD - NO COMPENSATION R1 2 0 1K R2 2 4 1K XOP1 0 20 4 OPAMP1 CL 4 0 1PF * CLOAD - COMPENSATION R_1 5 0 1K R_2 5 7 1K XOP2 0 20 6 OPAMP1 RC 6 7 1 CC 6 5 1PF C_L 7 0 1PF * * * OPAMP MACRO MODEL, SINGLE-POLE * connections: non-inverting input * | inverting input * | | output * | | | .SUBCKT OPAMP1 1 2 6 * INPUT IMPEDANCE RIN 1 2 10MEG * DC GAIN (100K) AND POLE 1 (100HZ) EGAIN 3 0 1 2 100K RP1 3 4 1K CP1 4 0 1.5915UF * OUTPUT BUFFER AND RESISTANCE EBUFFER 5 0 4 0 1 ROUT 5 6 100 .ENDS * * ANALYSIS .AC DEC 10 10 100MEG * * VIEW RESULTS .PLOT AC VM(2) VP(2) .PROBE .END