The avalanche photodiode detector is followed by a front-end amplifier and equalizer or filter to provide gain as well as linear signal processing and noise bandwidth redution.
前置放大器与均衡器或滤波器跟在雪崩二极管检测器的后面以获得增益，线性信号处理及噪声宽带的抑制。
2
Our company majors in designing, developing, manufacturing, marketing amplifier, mixer and equalizer and other peripheral products.
公司主要设计、开发、生产、销售功率放大器，调音台和均衡器等周边系列产品。
3
The EQ-31 Equalizer can be used in a variety of setups including: mixing consoles, fixed installation, in the effects loop of an amplifier, and in the tape loop of a home receiver.