Convert each signal to the finite sequence form {a, b, c, d, e}. - (a) u[n] n-3]- u[n - 4] (b) nu[n]n u[n - 5] (c) un 1] u4-n] (d) 25[n 1] 46[n - 3] -

4. The following Data input and data select waveforms are applied to a Multiplexer. Determine the output waveform. Do D Dy So

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Q 1. Determine the output voltage of the Digital-to-Analog Converter (DAC) in Figure 1(a) and plot it in Figure 1(c). The sequence of the four digit binary codes represented by the waveforms in Figure 1(b) are applied to the inputs. A high level is a binary 1and a low level is a binary 0. The least significant binary digit is Do. Do o D₁ 0- 200 ΚΩ www D₂ 0 100 ΚΩ www 50 ΚΩ www 25 ΚΩ D3 0 M 0 -0.25 -0.50 -0.75 -1.00 -1.25 -1.50 -1.75 -2.00 -2.25 -2.50 -2.75 -3.00 -3.25 -3.50 -3.75 (a) Vout (V) R₁ 10 ΚΩ o Vout +5 V Do 0 +5 V D₁ 0 +5 V 0 +5 V 0 D₂ D3 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 non (c) Figure 1 I 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 ||||| (b) Binary input

Suppose the output from an LTI system is 2je³jt +e-2jt when the input is -e³jt+2e-2jt. What is the output from the same system when the input is 2e³jt-je-2jt ? (a) -4je³jt (j/2)e-2jt (b) 4je³jt+ (j/2)e-2jt (c) je³jt - 2je-2jt

OUTPUT ( NEED NEAT HANDWRITTEN SOLUTION ONLY OTHERWISE DOWNVOTE).

1. XMM1 is a voltmeter and its reading is 0V at the whole input signal cycle. What could be wrong in the circuit? Explain. XMM1 D1 L1 1mH R1 1kQ 5V C1 Q1 V1 IRF2805S :1pF 12V V2 1kHz 5V

You need to produce a square wave with a low voltage of 0.500 volts and a high voltage of 2.500 volts. The DAC is 12 bits with a Vref of 3.3 volts. What is the input code for the low voltage and the high voltage? Low: 601, High 3003 Low: 621, High: 3103 Low: 591, High: 2903 Low: 621, High: 2103 3 O O O O

VI Ru Ri Vz I, Io R2 = 3837.79 O. R3 = 3989.3 Q. %3D R4 = 2898.06 Q. V1 = 4.8 V. V2 = 8.1 V. 11 = 0.0099 A Determine the following: a.) The output current lo %3D

Comparator - Home Work What will be the output waveform if the (Vin) at inverting input? VIEF *Voc Vour Ov +Vcc Vour VIN VIE V₂ Vi saturation VIN> VIET time