GTronix Inc., a Fremont startup developing a low-power analog signal processing technology to reduce the power consumption of chips, has quietly raised $13 million in funding from Menlo Ventures, according to VentureWire (sub required):

Vice President of Marketing Tom Darbonne said the company received a $3 million Series A round of funding from Menlo Ventures in July 2004, followed by a roughly $10 million Series B round from the same firm in August 2005.