dual amplification circuit 对偶回复放大电路
dual push-pull amplification 两级推挽放大
dual push pull amplification 两极推挽放大
This paper goes into the application of the GaAs Dual-Gate FET to the high frequency tuning-amplification and frequency conversion in a TV UHF channel selector and gives some experimental results.
本文讨论了砷化镓双栅场效应管在电视接收机UHF频道选择器中作高频调谐放大和变频应用时的一些考虑，并给出有关的实验结果。
L297 chip generates pulse phase sequence signals of which the pulse width is adjustable. The signals are the input ones of dual bridge driving circuit and drive the stepper motor after amplification.
L 297芯片产生脉宽可调的脉冲相序信号，该信号作为双极性桥式功率驱动电路的输入信号，放大后驱动步进电机。
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