Earlier this week, Altera, Microchip, TI and others raised their forecasts. Another wireless vendor, RF Micro Devices Inc., said that demand for its products is tracking ahead of plan.

Skyworks Solutions Inc. increased its financial outlook for the fourth quarter of fiscal 2009 given broad-based improvements in order demand. For the period, Skyworks now expects revenue in the range of $220 to $225 million and non-GAAP diluted earnings per share of $0.21 to $0.22.

"Multiple new program ramps coupled with strong operational execution are contributing to better than planned top and bottom line growth," said David J. Aldrich, president and chief executive of Skyworks, in a statement. "Our diversification into a broader set of analog semiconductor sectors, share consolidation in our core markets and our scale advantages are increasingly enabling us to outperform our addressable markets."