Dc Distribution And Regulation Part - Pantech G510 Service Manual

G510 Service Manual

4.2.1 DC Distribution and Regulation Part

The battery voltage, in return, is applied to the logic part and RF part via LDO(Low Drop-Out)
regulator. As several LDO regulators are used, power can be supplied for each necessary part
efficiently. Audio/Logic parts use +2.8V. Si4205
also use +2.8V DC voltage.
(U701)
4.2.2 Transciever pin description
Fig.4-2. Top view of RF Transceiver PCB Layout
Fig.4-3. Top View of Si4205-BM
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PANTECH
RF Transceiver (U710) and RF3133 Power Amplifier
R&D CONFIDENTIAL