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DIFFERENTIAL AMPLIFIER, OPERATIONAL AMPLIFIER, image, Week 1, RELAY -…
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OPERATIONAL AMPLIFIER
Circuits
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Discrete
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Advantages ;
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Very low cost because of simultaneous production of hundreds of similar circuits on a small semiconductor wafer.
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If VIN > VREF , VOUT = VCC (HIGH)
If VIN < VREF , VOUT = VEE (LOW)
If VIN = VREF , VOUT = 0V
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The open-loop op-amp can be used as a voltage comparator, where one terminal is connected to input signal, VIN and another terminal is connected to reference voltage, VREF.
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