Some teaching material treat that the integrated operational amplifier which makes up the voltage comparer only works in the nonlinear area.

在一些教材中论述，构成电压比较器的集成运算放大器仅仅是工作在非线性区。

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To control stepping motors, the balance bridge power drive circuit is made up by TDA1521 integrated audio power amplifier, the pulse allotter is made up by the parallel ports of computer and latches.

双回转机构的步进电机控制电路由TDA1521音频集成功率放大器组成平衡桥式功率驱动电路，由计算机并行口经过锁存器构成脉冲分配器。

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A new look-up-table memory predistorter for power amplifier with memory effects is proposed.

针对有记忆非线性功放提出了一种新的基于查找表的记忆型预失真器。

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The software would then add up the impedances just like an electrical engineer adding up impedances in an amplifier circuit.

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VAMP's 150mW x 2 amplifier is five times more powerful than the iPhone's amplifier and provides up to 8 hours of playback.

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He notes that Castro kept his bass, amplifier and speaker out in the living room, where he could easily pick them up and play, and that that room led directly into the dining room, and from there, a closed door led to the kitchen in back.

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