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RFMD intros digital TV app

Fri, 06/27/2008 - 8:30am
Traci Patterson

RF Micro Devices (RFMD) has released its CXE-1089Z GaAs pHEMT LNA for use in cable set-top box and digital television (DTV) applications. The CXE-1089Z is optimized for both low-noise figure and low-current consumption. 

The CXE-1089Z features RFMD’s patented active bias circuitry, which stabilizes bias current across changes in threshold voltage related to temperature and process variation, thereby reducing current consumption, the company said.  The GaAs pHEMT LNA also uses a Darlington configuration with an optional external bias control, which further reduces current consumption – and lowers the thermal profile of the end product – while maintaining linear RF performance optimized for each application. 

“Unlike competing devices focused on a single performance parameter, the CXE-1089Z delivers a optimized blend of low noise figure, low multi-carrier distortion and low current consumption,” said Alastair Upton, GM of RFMD’s Broadband and Consumer Business Unit. “This unique blend of performance, combined with our ability to deliver a broad portfolio of CATV products, were key elements to RFMD’s recent design win at a leading set-top box and tuner module OEM with the CXE-1089Z.”

Earlier this week, the company released other new product offerings – the S510075-33Z out-of-band tuner for use in cable set-top box and digital-cable-ready TV applications, and what the company said are the first gallium nitride (GaN)-based cable TV amplifier modules (story here).

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