By Lehar Maan (Reuters) - TriQuint Semiconductor Inc forecast current-quarter results well below Wall Street expectations, partly due to lower revenue from embattled smartphone company BlackBerry Ltd. Shares of TriQuint, a maker of radio frequency chips that help connect cellphones to data and voice networks, fell 12.5 percent after the bell on Wednesday. TriQuint, whose rivals include RF Micro Devices Inc and Skyworks Solutions Inc, said it expects adjusted earnings of 12-14 cents per share on revenue of $260-$270 million for the fourth quarter. ...

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