DC-RF conversion

Computer simulation of DC converters;

直流转换器的计算机模拟

The p-type ZnO:Al films deposited by RF/DC magnetron sputtering at room temperature were treated by gaseous ammonia annealing.

采用NH3气氛处理直流/射频共溅射方法制得的ZnO:Al薄膜,从而获得Al+N共掺p型ZnO薄膜。

Framework of direct-down conversion receiver can provide upper performance with lower cost for wireless base receiver.

直接降频转换接收器架构能够以较低成本提高无线系统基站接收器的性能。