8/2/2019 EE 21 - Op Amp Examples

1/3

Determine Vo(t) if the input to a differential op-

amp circuit is the function

Determine Vo(t) if the input to an integrator op-

amp circuit is the function

For both op-amps, use R = 1k, C = 470F

1

tettttV

23)(

2

1

)cos()(1

tetVt

8/2/2019 EE 21 - Op Amp Examples

2/3

Determine V1,V2 and Vo if Vs is a 1mV sinusoidal source.

2

8/2/2019 EE 21 - Op Amp Examples

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Design (Draw) a two-stage cascaded amplifier

using the practical op-amp circuits. The

specifications are as follows:

Input voltage at 1st stage: 1mV

Output voltage: 10mV, 180o out-of-phase

1

st

stage: inverting amplifier, RF = 1k 2nd stage: non-inverting amplifier, R2 = 2k , non-

inverting gain = 63