LG L705ix Service Manual page 24

* AWT6273R Description : The AWT6273R HELP3TM PA is the 3rd generation WCDMA product for
UMTS handsets. This PA incorporates ANADIGICS' HELP3TM technology to provide low power
consumption without the need for an external voltage regulator. The device is manufactured on an
advanced InGaP HBT MMIC technology offering state-of-theart reliability, temperature stability, and
ruggedness. There are three selectable bias modes that optimize efficiency for different output power
levels, and a shutdown mode with low leakage current, increase handset talk and standby time.
The self-contained 4 mm x 4 mm x 1.1 mm surface mount package incorporates matching networks
optimized for output power, efficiency, and linearity in a 50Ω system.
Fig 3.4-4 AWT6273R Functional block diagram
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Only for training and service purposes
3. TECHNICAL BRIEF
Fig 3.4-5 AWT6273R Pin description
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