VPFD

AcronymDefinition
VPFDValley Park Fire District (Missouri)
References in periodicals archive ?
The current decay mode is selected after determining the voltage level at PFD input, in case VPFD voltage is greater than 0.6 x VDD (VDD = 5 V), then the slow decay mode is selected, in case it is lower than 0.21 x VDD the fast decay mode is selected.