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I NEED A SCHEMATIC FOR DIGITAL COMMUNICATION TRANSMITTER AND RECEIVER WHICH IS NOT SO HARD TO BUILD AND CAN BE BUILD FROM AVAILABLE IC'S AND ELEMENT
I NEED TO BUILD THIS PROJECT FOR MY GRADUATION PROJECT
Re: Why we need V-Negative?
need negative because the free charges in the electrical current is the free electrons while protons stay fixed in their positions
current flow from high to low voltage
op amp output varing bet:ween +vcc and -vcc
if you havent negative the -ve portion of the output...
hi
hi to solve the offset problem you have to use a cpacitor
if you want to just pass the positive portion of your signal you have to use half wave diode rectifier:idea:
Re: transisters
hi
i havent understanded your question well
but this topic is clearly demonstrated
in twoo usefull books
1_electronic devices( author bolysted)
2_electronic devices and circuits (neamen)
8O
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