From LTwiki-Wiki for LTspice

I'm an analog (mostly) IC design engineer. I started in this silly profession at National Semiconductor in the late 70's and I've bounced through the industry ever since, working in bipolar, Bi-Fet, CMOS, and BiCmos technologies to design products ranging from low-power small-signal circuits to power management systems. I prefer the former. I've been using LTspice since 2005 in a variety of Linuxes.