* Random noise test * internal noise source * one over f VNOI1 1 0 DC 0 TRNOISE(0n 1n 1.7 1n) VNOI2 2 0 DC 0 TRNOISE(0n 1n 1.4 1n) VNOI3 3 0 DC 0 TRNOISE(0n 1n 1.0 1n) VNOI4 4 0 DC 0 TRNOISE(0n 1n 0.5 1n) * white VNOI5 5 0 DC 0 TRNOISE(1n 1n 0 0) * both VNOI6 6 0 DC 0 TRNOISE(1n 1n 1 1n) * 250000 sample points .tran 1n 250u .control run plot v(1) v(2) v(3) v(4) v(5) v(6) plot v(1) v(2) v(3) v(4) v(5) v(6) xlimit 102.0u 102.01u ylimit -3n 3n linearize meas tran vavg5 AVG v(5) from=0 to=250u meas tran vpp5 PP v(5) from=0 to=250u meas tran vrms5 RMS v(5) from=0 to=250u fft v(1) v(2) v(3) v(4) v(5) v(6) plot mag(v(1)) mag(v(2)) mag(v(3)) mag(v(4)) mag(v(5)) loglog xlimit 1e3 1e9 plot mag(v(6)) loglog xlimit 1e3 1e9 .endc .end