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Describe 74LS139 memory decoder.
The 74LS139 is a dual 2-to-4 line decoder. This contains two separate 2-to-4 line decoders - all with its address, output and enable connections.
The Pin-out of the 74LS139
Q. Carrier Modulation by Digital Signals? Digitally modulated signals with low-pass spectral characteristics can be transmitted directly through baseband channels (having low-p
working principal
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a single phase is supplied with sinusoid voltage v(t)=200cos(377t).the resulting instantaneous power is p(t)=800+1000cos(754t-36.7). find
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ppt needed
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