Acousticbuoy Scorpio Dual-Mono Preamplifier
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PCB and Power Layouts

In the Scorpio design, input signal selection, analog signal amplification, power supply and control board are done separately on several printed circuit boards, also the transformers for left and right channel are also separated to gain channel separation.

To minimize the cross interference, the input board, amplification and buffer stage are using four layer printed circuit board, 2nd layer and 3rd layer for signal transferred, 1st layer and 4th is for ground and power.


The noise performance particular for analogue stage, 4-layers PCB have better result and easy achieved the highest standard that compared with the common double and single layer of PCB system.