Question

The input, Vin, is single-ended not differential. Design an analog circuit with a transfer function of Vout = 50 ⋅ Vin − 5 using one rail-to-rail op amp powered by a single +5 V supply. You may use one REF03 2.50 V reference chip. The input range is 0.1 to 0.2 V, and the output range is 0 to +5 V.

Answer #1

Design a multi-stage op-amp network that takes an input signal
of vin(t) = 5 cos(120πt) V and outputs vout(t) = 2.5 + 2.5
sin(120πt) V. All resistors used must have values of at least 1 kΩ.
Verify your design behaves as required using LTSpice XVII. (20
points)

Design an op-amp circuit that will provide an output voltage
equal to the average of three input voltages. You may assume that
the input voltages will be confined to the range -10V ?Vin ?10V.
Verify your design by using Multisim software and a suitable set of
input voltages.

Design an op-amp circuit for a weighted summer that shifts the
dc level of the input signal vi(t) = 3 sin(t) V from zero to -3 V.
Assume that in addition to vi(t), you have a dc voltage source of
1.5 V available. Sketch the output signal waveform.

Design an Op-Amp Circuit that takes an input from a low current
capacity voltage source (i.e. a high internal impedance source)
with voltage range of -15mV to 15mV, amplify it, adds a DC offset
so that the voltage is always positive filter it (LPF 1, 18.3 KHz)
and the convert it into digital output (reference voltage of ADC
12V). Also determine the minimum sampling rate of ADC

Design an active-RC low pass second order Butterworth filter for
a cutoff frequency of 1 kHz, and a pass band gain of 2 V/V. Use a
741 Op Amp. If using Table I, use a capacitor value of 0.1 μF for C
and C1, otherwise you may use any capacitors available in the lab.
If applicable, make an excel worksheet showing the calculations
required for the above design. Choose appropriate real
resistor values for the designed circuit and simulate this circuit...

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