P 1 3 7 2 Consider the instrumentation quality differential amplifier shown in Figure 1 3 3 4 on page 6 9 7 , with R 1 1 k , R 2 9 k , and R 1 0 k The input signals are given by v 1 ( t ) 2 c o s ( 2 0 0 0 t ) 2 c o s ( 1 2 0 t ) v 2 ( t ) 2 c o s ( 2 0 0 0 t ) 2 c o s ( 1 2 0 t ) X Find exprossions for the differ ntial nd colomon made compenents of the input sign b Assuming ideal op amps, find expressions for the voltages at the output terminals of x 1 and x 2 c Again assuming ideal op amps, find an expression for the output voltage v o ( t ) P 1 3 7 2 Consider the instrumentation quality differential amplifier shown in Figure 1 3 3 4 on page 6 9 7 , with R 1 1 k , R 2 9 k , and R 1 0 k The input signals are given by v 1 ( t ) 2 c o s ( 2 0 0 0 t ) 2 c o s ( 1 2 0 t ) v 2 ( t ) 2 c o s ( 2 0 0 0 t ) 2 c o s ( 1 2 0 t ) C Find expressions for the differ ntial and common made compenents of the input signd b Assuming ideal op amps, find expressions for the voltages at the output terminals of x 1 and x 2 c Again assuming ideal op amps, find an expression for the output voltage v o ( t )

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Question: P 1 3 . 7 2 . Consider the instrumentation - quality differential amplifier shown in Figure 1 3 . 3 4 on page 6

13.72 .

Consider the instrumentation

-

quality differential amplifier shown in Figure

13.34

on page

697,

with

R_{1} = 1 k, R_{2} = 9 k,

and

R = 10 k .

The input signals are given by

v_{1} (t) = 2 c o s (2000 t) + 2 c o s (120 t)

v_{2} (t) = - 2 c o s (2000 t) + 2 c o s (120 t)

-

Find exprossions for the differ ntial nd colomon

-

made compenents of the input sign

.

Assuming ideal op amps, find expressions for the voltages at the output terminals of

x_{1}

and

x_{2} .

.

Again assuming ideal op amps, find an expression for the output voltage

v_{o} (t) .

13.72 .

Consider the instrumentation

-

quality differential amplifier shown in Figure

13.34

on page

697,

with

R_{1} = 1 k, R_{2} = 9 k,

and

R = 10 k .

The input signals are given by

v_{1} (t) = 2 c o s (2000 t) + 2 c o s (120 t)

v_{2} (t) = - 2 c o s (2000 t) + 2 c o s (120 t)

.

Find expressions for the differ ntial and common

-

made compenents of the input signd.

.

Assuming ideal op amps, find expressions for the voltages at the output terminals of

x_{1}

and

x_{2} .

.

Again assuming ideal op amps, find an expression for the output voltage

v_{o} (t) .

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