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Hi, I want to design a circuit which can detect current pulses and give static voltage in accordance with
current passed. For example if a current pulse of 10ms duration passes through my circuit than I want my circuit to give voltage and hold it there. I have tried using sense circuits for dc...
I am using this current-sense amplifier. When i change the load resistance, the output of amplifier increases and decreases in the form of ramp. I want it to change in the form of square wave. I am using Lm139 opamp.
I have tried all these options of using two mosfets including pnos and low side nmos switch but none works. So now i'm trying to use a single high side nmos switch as shown. But still its not giving correct results. What can be the problem?
The control logic in fig1 generates a high(10v) or low(0v) signal to supply the gate of M2 to turn it off or on which will then turn M1 on or off. The mosfet M2 alone works fine with circuit shown in fig 2 but when I connect it with M1, M1 doesn’t turn on or off. What can be the problem? Do I...
I am trying to simulate a circuit in ORCAD including basic inverting operational amplifier whose gain is 250 and input is 10mV. The opamp used is LM124. The output should be -2.5V but when I simulate it the output is -167.68mV. I have also used a compensation circuit consisting of a resistor...
I want to design an overcurrent limiter for low voltage applications. I have searched net and only found circuits with atleast 0.7 volts voltage drop. Can anyone plz help me in designing circuit with lower voltage drop?
Hey i want to simulate undervoltage protection circuit in orcad. How can i design the circuit so that load voltage decreases to say half its original value after 5m seconds?
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