MOTOA1200资料

1200电路图A1200 四频 GPRS / EDGE
电路原理

Motorola, Inc. Mobile Device Field Quality & Technical support team

Mar 15th, 2006

07/27/2004

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2. 概述................................................................................................................................. 5 2.1 系统框图................................................................................................................... 5 3. PCAP2 硬件概述............................................................................................................ 6 3.1 电源管理................................................................................................................... 7 3.1.1 开关及线性稳压器初始配置............................................................................ 7 3.1.2 稳压器使用描述............................................