(i) Derive the output voltage, V. if all switch is connected to Vee. (ii) Obtain the value of V. if switch, S4S3S2S1 configurations are shown in Table Q1(a). Assume Vcc = 5V. Table Q1(a)(ii) S4 S3 S2 S1 V. 1 1 1 1 1 1 ... (111) Obtain the graph input, S vs output, V. for the response above.

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(i)
Derive the output voltage, V. if all switch is connected to Vee.
(ii)
Obtain the value of V. if switch, S4S3S2S1 configurations are shown in Table
Q1(a). Assume Vcc
= 5V.
Table Q1(a)(ii)
S4 S3 S2 S1 V.
1
1
1
1
1
1
...
(111)
Obtain the graph input, S vs output, V. for the
response above.
Transcribed Image Text:(i) Derive the output voltage, V. if all switch is connected to Vee. (ii) Obtain the value of V. if switch, S4S3S2S1 configurations are shown in Table Q1(a). Assume Vcc = 5V. Table Q1(a)(ii) S4 S3 S2 S1 V. 1 1 1 1 1 1 ... (111) Obtain the graph input, S vs output, V. for the response above.
(a)
Figure Q1(a) shows a 4 bits Digital-to-Analogue Converter (ADC) device using a
summing operational amplifier.
Q1
Vcc
R4 = 1kQ
S4
Rf = 1kQ
R3 = 2k2
S3
R2 = 4kN
S2
Vo
R1 = 8k2
S1
Figure Q1(a)
Transcribed Image Text:(a) Figure Q1(a) shows a 4 bits Digital-to-Analogue Converter (ADC) device using a summing operational amplifier. Q1 Vcc R4 = 1kQ S4 Rf = 1kQ R3 = 2k2 S3 R2 = 4kN S2 Vo R1 = 8k2 S1 Figure Q1(a)
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