功放

基于DSP的大功率D类数字功放研究

Research of High-Power Digital Class D Amplifier Based on DSP

功放及CD：脚钉，垫板，双层台。

Amplifier and CD : foot nails , pads , double units .

C波段固态功放设计和实验研究

Design and Experimental Research on C-band Solid State Power Amplifiers

宽带高效率E类功放负载网络的设计

Design of Load-Network for Broadband High Efficiency Class E Amplifiers

低压功放IC特性异常现象的模拟分析

Simulation Analysis of Abnormal Phenomenon in Low-voltage Power Amplifier IC

H型直流PWM功放器制动时的特殊问题及改进

Special Problems and Improving Measures of H Type DC PWM Amplifirer in Braking Down

高效率线性RF功放的研究与设计

Study on and Design of a High Efficiency Linear RF Power Amplifier

双环路模拟预失真器在3G功放中的研究

Study on double loop analog predistorter used in 3G RF power amplifiers

利用ADS软件完成了各级功放的设计。

Complete all levels of power amplifier designing by using ADS software .

宽带CDMA信号激励下的功放性能分析

Analysis of Power Amplifier Excited by Wideband CDMA Signal

在新型的三桥臂和四桥臂开关功放仿真模型的基础上，研制了基于DSP的两种原理样机。

Prototypes of 3-leg and 4-leg switching power amplifiers controlled by DSP are constructed based on emulation models .

永磁偏置磁轴承三电平PWM开关功放的研究

Study on Three-level PWM Switching Power Amplifier for Active Magnetic Bearing biased with Permanent Magnet

直流PWM功放驱动模式的研究

Working mode of DC PWM driver

采用了脉冲调宽功放装置（PWM），直流力矩马达直接驱动转台框架的数字伺服调速体制。

It is digital servo timing control system which is driven by PWM , direct current moment motor .

根据三电平理论设计了一种电磁轴承PWM开关功放。

This paper introduces a three level PWM power amplifier designed for Active Magnetic Bearings ( AMB ) .

SVPWM方法在磁轴承开关功放中的设计及应用

Design and Implementation of SVPWM Switching Power Amplifiers for Active Magnetic Bearing

PLD在三态采样-保持开关功放中的应用研究

Research on PLD 's Use in Sample-hold Tristate Switching Power Amplifiers

WCDMA功放预失真发生器的研究

Study on predistortion linearizer of WCDMA power amplifier

对G类功放特有的切换干扰、损耗和速度等细节问题指出了解决方案。

Solutions to the detailed problems of G-type amplifier is proposed such as switching disturbance , loss and speed which are particular to G-type amplifier .

功放非线性测量中的多音信号PAPR特性研究

Research on PAPR Characteristic of Multi-Tone Signals in PA Nonlinear Measurement

预失真是目前3G功放中的主流线性化技术之一。

Predistortion is one of the main linearization techniques used in 3G power amplifiers ( PA ) at present .

计算了三电平和两电平式PWM功放的电流纹波，得出三电平功放电流纹波和电源电压无关的结论。

By calculating its current ripple , a conclusion that the current ripple is independent on DC link voltage is drawn .

4G射频双向功放的设计与实现

The Design and Realization of 2.4G RF Bidirectional Power Amplifier

一种新型音频功放数字电调谐的ASIC实现

Realization of a Kind of New-type ASIC with Audio Power Amplifier and Digital Volume Control

本设计结合课题需要，采用了1比特数字功放的实现方案，利用DSP实现了1比特激励信号的输出。

In this thesis , how to design the 1-bit amplifier is introduced , and the main task is to achieve the pumping signal using DSP .

把单片机用于控制带电流反馈的PWM功率放大器系统，克服了模拟功放的缺陷。

PWM power amplifier subsystem with current feedback is controlled by single chip microcomputer , thus overcoming the drawback of analog power amplifier .

本文实现了天线、ASK调制、应答器的电源、负载调制、解调、电源传感器和高频功放模块。

Finally , the antenna , ASK modulation , power supply of the tag , load impedance modulation , demodulation , power supply sensor and HF power amplifier were realized .

纵观全球，不少MRI系统厂家外购射频功放和梯度放大器，但很少有外购谱仪的。

Generally speaking , many MRI system manufacturers often purchase RF amplifier and gradient amplifier from the third party company , but they rarely buy the spectrometer .

f（max）/f（min）>2.5超短波宽带高效率E类功放的理论与设计

Theory and Design of Broad Band High Efficiency Class E Power Amplifier with f_ ( max ) / f_ ( min ) > 2.5 in VHF

功放电路的控制逻辑由EPROM译码完成，简化了逻辑电路。

The control logic of power switches is performed by EPROM chip .