This paper reports a technique used lor improving the stability of the laser probe consisting of an acoustooptic modulator, an analogue divider and an auto-lock-in amplifier.

本文介绍了一种用声光调制器、模拟除法器和自动锁相放大器来改进激光探针测试系统稳定性的方法。

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It also manes a brief introduction of the principle of the simple charge amplifier and the analogue scanner.

对简易式电荷放大器和模拟扫描器的原理也作了扼要介绍。

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After recently having presented its first digital headphone amplifier, the audio specialist Sennheiser announces at IFA 2012 that it will also launch an analogue version of the device, available in the U.S. later this fall.

ENGADGET: Sennheiser unveils HDVA 600 analog headphone amp, asks for $1,600