6. Inverting summing amplifier can be used as the basic circuit for digital- o-analog converter using R-2R ladder circuit as shown. (a) if S, = 1 (connected to Va) and other switches are 0 (grounded). show that , (b) # S, = 1 and other switches are grounded, prove tha F MSB LSB R 2R 2R 2R R 2R R 2R Vo 2R

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Electronic Circuit Analysis And Design

Inverting summing amplifier can be used as the basic circuit for digital-
6.
to-analog converter using R-2R ladder circuit as shown.
.
(a) If So = 1 (connected to Va) and other switches are 0 (grounded).
show that ,-
(b) If S =1 and other switches are grounded, prove that ,--4
Va
MSB
Sap
LSB
R
2R R
2R 2R
2R
R.
2R
Vo
2R
9.
Sketch V, if the input of the following circuit is a square wave as shown.
C= 0.0022µF
Skn
VoM
R=10kn
o Vo
+1V
t[us ]
50
150
250
350
-1V
Sketch Vo and calculate the hysteresis voltage, VH.
(a)
11.
+15V
10 sin ot
Ovo
15V
10kn
30ka
If the 10kn resistor in figure (a) is not grounded but it is connected
(b)
to a +7V power supply, draw Vo and calculate the new value of
VH.
Transcribed Image Text:Inverting summing amplifier can be used as the basic circuit for digital- 6. to-analog converter using R-2R ladder circuit as shown. . (a) If So = 1 (connected to Va) and other switches are 0 (grounded). show that ,- (b) If S =1 and other switches are grounded, prove that ,--4 Va MSB Sap LSB R 2R R 2R 2R 2R R. 2R Vo 2R 9. Sketch V, if the input of the following circuit is a square wave as shown. C= 0.0022µF Skn VoM R=10kn o Vo +1V t[us ] 50 150 250 350 -1V Sketch Vo and calculate the hysteresis voltage, VH. (a) 11. +15V 10 sin ot Ovo 15V 10kn 30ka If the 10kn resistor in figure (a) is not grounded but it is connected (b) to a +7V power supply, draw Vo and calculate the new value of VH.
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