Venture firms fund Quantance through $12m Series D

4G/LTE power supply manufacturer Quantance has raised $12m of series D funding from investors including TD Fund, Granite Ventures, InterWest Partners, and DoCoMo Capital. The company said the funding would be used to boost production of the company’s 4G/LTE envelope tracking (ET) power supply products for use in smartphones, tablets, and mobile hotspots. Quantance also …