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electronics and communication engineering digital electronics
1. A 6 bit DAC uses binary weighted resistors. If MSB resistor is 20 k ohm, the value of LSB resistor is
(A): 20 k ohm
(B): 320 k ohm
(C): 640 k ohm
(D): 80 k ohm
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By: guest on 01 Jun 2017 11.53 pm
Resistances are R, 2R, 4R, 8R, 16R and 32R. LSB resistance = 32R = 32 x 20 = 640 K ohm.
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