OPINV.CIR - OPAMP INVERTING AMPLIFIER * VS 1 0 AC 1 SIN(0V 1VPEAK 10KHZ) * R1 1 2 5K R2 2 4 10K XOP 0 2 4 OPAMP1 * * OPAMP MACRO MODEL, SINGLE-POLE * connections: non-inverting input * | inverting input * | | output * | | | .SUBCKT OPAMP1 1 2 6 * INPUT IMPEDANCE RIN 1 2 10MEG * GAIN BW PRODUCT = 10MHZ * 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 10 .ENDS * * ANALYSIS *.AC DEC 5 1K 10MEG .TRAN 0.005MS 0.2MS * VIEW RESULTS .PROBE .END