While earnings calls are rarely the veritable dial-in party, sometimes they do toss up a juicy gambit or disappointing revelation. While NVIDIA was dishing out projections for Q1 2013, it pretty much quashed any hopes of seeing an in-house LTE Tegra chip in 2012. While we were assured that Tegra 3 LTE phones would come this year -- based on those partnerships announced back in February -- it was also stated that the thoroughbred Tegra LTE chip wouldn't be a reality unt