Bioinstrumentation
Homework
Converters, Instrumentation Amplifier, Filters
Topic
Due Date:
Restrictions
•
Individual, handwritten, must include calculations, procedure and
well indicated results.
In all the exercises include:
o Power Supplies.
o Values of all capacitors and resistors.
o The model of the used OpAmp.
o Justify any assumption you make.
1. Design a circuit capable to perform the following conversion:
VIN
IOUT
VOUT
0V
5V
4mA
20mA
Floating Load
-5V
5V
2. Design a circuit to perform the following conversion:
VIN
IOUT
0V
5V
40mA
300mA
Floating Load
3. Design a converter capable to meet the following conditions:
VIN
IOUT
VOUT
-10V
10V
40mA
200mA
Grounded Load
0V
5V
4. For the following converter, assume that devices are separated at least 7 mts.
VIN
-2V
7V
IOUT
10mA
90mA
VOUT
0V
5V
5. Recalculate for a distance of 15 mts?
José Gómez Quiñones, PhD.
1
Bioinstrumentation
Homework
6. Design and simulate an Instrumentation Amplifier based on a Triple Opamp IA, that meets the
following restrictions:
Electrode 1
Electrode 2
10µ V
4.73 µ V
VOUT
1.5V
7. Using the AD620, show in a diagram the connections and components needed to obtain
VOUT=-10.75mV if:
Electrode 1
Electrode 2
7.24 µ V
1.005 µ V
José Gómez Quiñones, PhD.
2