Rectifier Circuit

Published:2011/5/21 1:11:00 Author:Robert | Keyword: Rectifier | From:SeekIC

This circuit can change the input AC signals to DC signals. If the input signal has a low frequency, the capacitance C1 in input port can be cancelled. In the negative half cycle, the operational amplifier IS1's output signals are connected through diode D1 (withcut-off voltage 0.7V) and would be isolated from the adding point through the diode D2. The operational amplifier IS2 isworking as out-phase voltage follower device. In the positive half cycle, the IS1 isworking as out-phase amplifier and is connected to the adding point through R2. In input port, theresistance R3 and the resistanceR2 are made up a negative feedback loop circuit.



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