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Voltage Comparator


Last Updated: June 02, 2021 01:44 PM

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Voltage comparator forms pulse Demodulator  -  11/19/98 EDN Design Ideas:  NOTE:  File contain several designs.  Scroll to find this one.  To process low-level ultrasound or radio-range pulses, you need a signal-conditioning amplifier followed by a pulse demodulator to translate the signals to dc pulses.  Traditionally, you would use a diode-demodulator configuration (for example, the circuit in Figure 1a) with one stage of a single-supply op amp.  The circuit in Figure 1b does the same job but uses a voltage comparator instead of a diode demodulator.   Design by Abel Raynus, Armatron International, Melrose, MA  
Voltage Comparator Switch  -  This circuit will provide an indication whenever the input voltage differs from two defined limits, V1 and V2.  The supply voltage, Vcc must be higher than the highest input voltage by at least 2 volts.  One application here is to monitor a 12V car battery __ Designed by Andy Collison

Voltage Comparator with Complementary Outputs  -  Circuit ideas for Designers App Note__ Advanced Linear Devices, Inc

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