Question

2. (a) An 8-bit A/D converter has an input range of 0 to 15 V and an output in simple binary. Find the output (in decimal) if the input is (a) 6.42 V (6) -6.42 V (C) 12 V (d) OV (b) Convert Hexa decimal Number B602 to a decimal number and Binary. Convert decimal number 227 to binary number.

Answer 1

SOLUTION-

Solution = 0 to 15u 2 (a) Given - 8 bit A/D converter - Input voltage Range of set. binary output equation of the AlD Convertes Do = int of Vi - Val : 2N Very - Vre Here, Upper value Vru Vre = lowes No .. Vru = 15 Vi = Analog input voltage of I/p Range end of Input range bits Do & Digital output So, N=8 Vre=0 Do = int{ vi o... (29) Do - int { [ yi)_62947 The Digital output range from o&o at lower limit to 2-1 at upper of Do <2^_1 o Do L 28-11 os Do < 255 Sex Range of decimal output from 8-bit. Alp is Oto 255 . 15-O

Cal 6.42v Vi = 6.42 Do = int 6.42 15 109.56 De - 110V (b) -6.42 v is o to 15u - Juput voltage range -) - 6,42 is not in the input voltage range, So that ouput will be o 12v Do = int ad { (13 (21) 204.8 Do = 205 v so *284 15 Do O

205) Güven Hexadecimal - (B602)16 Hexadecimal - Decimal- (B602)16 Jio r = (BX163)+(6X163) + (0x16') +(2x160) = (!! X 163) + (6X163) + 0 + 2 - 45056 4 1536 + 2 46594 (B602) 16 (46594). 10 Hexadecimal to Binary (B602)16 ر( ) <- o B 101 6 ollo 2 0010 OUVO (3602)16 -> (1011011000000010), 2

Convert Decimal to Binary (22) (), 222 213 ژ) ) 2 سا زان دبن 3 محمي (221) - Cloooon)

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