aXprep = aX90
pwXprep = pwX90
aXmrev8 = aX90
pwXmrev8 = pwX90
tauXmrev8 = 2.0 + pwXmrev8
sw = 1.0/(12.0*tauXmrev8*1e-6)

setprotect('scalesw','off',16384)
scalesw = 3.0/sqrt(2)
