In different modes of operation, ramp control for the power amplifier may be provided from either of the baseband processor or the transceiver.
在不同的操作模式下，功率放大器的斜坡控制可由基带处理器或者收发信机来提供。
In this paper, the operation principles of the total system and power-amplifier circuit, design method of digital PWM hardware circuit and software are described, and.
文中着重阐述系统和功放电路的工作原理、数字脉宽调制器的硬件电路、软件设计方法，并给出实验结果。
Using microcontroller MSP430F449 as the operation core, a low noise wideband amplifier provided with 5v single power supply is designed.
以单片机MSP430F 449为控制核心，设计了一个5 V单电源供电的低噪声宽带放大器。
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