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i want to make a battery based regulated power supply, which gives 3 dc output voltages 5v/1 amp, 12v/2 amp and 24v/2 amp.i want to know that how can i calculate the value of batteries at input, as i want this supply to work for 1 hour at full load.
i guess 5v/1 amp=5watt
12v/2amp=24watt...
thanks for the reply. but i am still confuse. i did not got what do you mean by symmetrical power supply as i am using regulated power supply for biasing.i have to use +5 and - 5 volt supply ?just give me idea about the symmetrical power supply and how to implement it.
hello,
i am doing a practical on lm 741. i want to make it to use it as an wein bridge oscillator.the value of c1=c2=0.01uF, R1=R2=3K, Rf=2k, Ra=1k.accordingly the output frequency should be 5khz.bt my circuit is not working like.even its frequency is not stable at all.i think my circuit is not...
hello,
i am doing a practical on a concentric cylindrical capacitive sensor.it is of very basic type.the capacitance is 150pF.The dielectric medium is kept open( air is taken as dielectric).according to my circuit s requirement i need a capacitive sesor which will charge and discharge.does this...
help in oracd
Hello,
I am designing a circuit in orcad. But i am not getting some components like opa2350 etc. I know I can create a component by editing a similar component. But here I also need to simulate this circuit. So please help me out. Give me a solution that where to find components...
dear sir,
i have got a mistake.Actually in the real circuit, there is Max987 is used as the comparator.But we were not able to use it in the practical way thats why we dropped using that ic. Will u give some suggestions about the comparator part?what other ic s can we use in the place of...
Re: problem in simulation
sir,
actually i have full vrsion of orcad release 9.10 available. i have been using it for many time.But i was using it for the purpose of pcb designing only.I know how to design pcb in this version, but i also want to do pspice simulation.i just want to ask you that...
hello sir,
during charging, i m assuming s1 and s3 closed and s2 and s4 be open.And vice versa.i m using current source of value 5mA.Excitation Voltage(Vac) provided to capacitor sensor is 5V.
integrator op am
hello sir,
i am using a circuit in which a capacitor is charging and discharging periodically.during charging of capacitor, the rest of the circuit have no link with the capacitor.when capacitor s discharging cycle comes, one of the electrode is grounded and other goes to the...
orcad parametric sweep not available
hello sir,
i am a beginner to learn circuit simulation.i am using orcad release 9.10.Every time i make a project, perform simulation but after some time when i want to open my simulated circuit,there schematic opens in the design type only. As simulated...
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