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Subject: Re: Please send me a digital voltmeter circuit using LF398, ADC0804, 74LS157, 74HC175 , 7447 ICS

Date: 06/06/03 at 8:35 AM
Posted by: rumana fara afza
E-mail: shammi123_3[AT55]hotmail.com (replace [AT55] with @ to reply)
IP: 202.174.152.2
Message Posted:

In Reply to: Please send me an Inverter circuit using SG3524 IC posted by Ahsan Habib on 04/05/03 at 1:11 AM:

dea sir
i'm a student of b.i.t.r.i'm now engaged with my thysis. my thysis topics is DIGITAL VOLTMETER. i'm using LF398(for sample & hold circuit),ADC0804(for analog to digital converter),74LS157(for nibble multiplexer),74HC175(for driver circuit),7447(for display). but i'm now in trouble with the circuit design. please send me the circuit design with power supply & also write briefly about these ICS.


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