ID'ING NOISE SOURCE
PCB Piezotronics's model 426A11 is a 0.5-in. preamplifier that operates from ICP sensor power. It allows the user to select 0 or +20 dB. of gain and either a 20-Hz. (-3-dB.) high-pass filter or A-weighted filter output response instead of flat unfiltered response, via two switches, located on the...
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