PHYSICAL-QUANTITY CONVERTER CIRCUIT

摘要: PURPOSE:To enable cost reduction and significant range enlargement by enabling an output corresponding to a physical quantity be obtained, without depending on the voltage of circuit power source, as frequency signal. CONSTITUTION:An V0 emerging at end operational amplifier Q1 is applied (+) input comparator Q2, feedback Vn (-) Q2 connected data pulse converter Q3. When voltages inputted are in relation Vn>V0, low-level signal outputted NOR gate whether clock fck high or low, decreases approach Vn=V0. Vn