Voltage gain (Av) = Vo/(V2-V1) = (1 + 2R1/Rg ) x R3/R2 If need a setup for varying the gain, replace Rg with a suitable potentiometer. Lab 4: Instrumentation Amplifiers - Multisim I. II. Copyright 2007-2010. Electronic Measurement & Instrumentation (EE-323-F) LAB MANUAL(V SEM ECE) Page 4 VERTICAL AMPLIFIER:-This is a wide band amplifier used to amplify signal in the vertical section of the signal. In addition, several dif-ferent categories of instrumentation amplifiers are addressed in this guide. BE 3600 BIOMEDICAL INSTRUMENTATION (LAB) - Experiment 4: Sources of Biopotentials and Biopotential Amplifiers OBJECTIVE: Learn the sources of bio-potentials in the human body and understand the techniques used for measurement of these electrical potentials. 1. Operational Amplifiers Lab. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Instrumentation amplifier’s final output Vout is the amplified difference of the input signals applied to the input terminals of op-amp 3.Let the outputs of op-amp 1 and op-amp 2 be Vo1 and Vo2 respectively. The importance of an instrumentation amplifier is that it can reduce unwanted noise that … SYLLABUS EEN-751/EEE-553: ELECTRICAL INSTRUMENTATION LAB. and operational amplifier model, current-to-voltage and voltage-to-current converters, integrator and differentiator amplifiers, circuit The voltage gain of the instrumentation amplifier can be expressed by using the equation below. The following section contains some general information on Introduction . sample Lab View code provided, to record both the input and output. Part 1: Instrumentation Amplifier Fortunately the circuit of Fig. Instrumentation Laboratory Experiments Figure 7. Experiment#1 calibration (report), Instrumentation Lab. If you continue browsing the site, you agree to the use of cookies on this website. Compute the CMRR′ for the IA. P, PI and PID controllers 2. Experiment #8 Report: Thermocouples, Lab manual for_electronic_circuits_final_march_13_2011, No public clipboards found for this slide, Instrumentation Lab. NOIDA. Instrumentation amplifiers and thermocouples In this lab we will build and explore the basic instrumentation amplifier which is used for measuring very small voltage differences. of what an instrumentation amplifier is, how it operates, and how and where to use it. Experiment #12 Report: Lateral Beam Vibration, Instrumentation Lab. 2. An instrumentation amplifier is an integrated circuit (IC) that is used to amplify a signal. Biomedical Instrumentation Lab . Inverting, Noninverting & Differntial Amplifier 2. Ideal op-amps An instrumentation amplifier is a closed-loop gain block that has a differential input and an output that We also build a differentiator that demonstrates how negative feedback can subtly turn into positve feedback, due to unintended phase shifts accumulating in a cricuit. In this lab, we build circuits that allow us to observe and estimate some of the LF356 op-amp's limitation, particularly its voltage offset, bias current, maximum output current, and slew rate. Experiment No 1: Introduction to Instrumentation Amplifier. 5- Repeat steps for triangle and square input signals. This type of amplifier is in the differential amplifier family because it amplifies the difference between two inputs. 3. ... Amplifiers with game of 10 to 1000 are used to increase their si gnals to levels they are compatible with the Now customize the name of a clipboard to store your clips. EXPERIMENT 3.1 (b): Instrumentation Amplifier 1. Jordan University of Science and Technology Experiment #7 Report: Strain Measurements 2, Instrumentation Lab. TIME BASE: – It is used to generate sawtooth voltage which it is applied to Construct an instrumentation amplifier (IA) using three op-amps. Compute the differential gain and measure the common-mode gain. AUST/EEE Page 2 of 30. Objectives: After completion of this experiment, student will be able to design and setup a non-inverting amplifier using OP AMP. 3 | DEPARTMENT OF ELECTRICAL & ELECTRONICS ENGINEERING, DRONACHARYA GROUP OF INSTITUTIONS, GR. If the outputs of op-amp 1 and op-amp 2 are Vo1 and Vo2 respectively, then the output of the difference amplifier is given by, Vout = (R3/R2) (Vo1-Vo2) Calculations, measured experiments, and computer simulations using Pspice and Matlab are utilized. In this laboratory you will assemble and test a variety of simple circuits which are built around operational amplifiers. Build and verify the behavior of Instrumentation amplifiers. These three op-amps together, form an instrumentation amplifier. 2. You can change your ad preferences anytime. 4- Sketch the input and output signals, and note the phase shift. offset voltages, bias currents, slew rate, amplifier temperature effects and Common mode rejection ratio. Faculty of Engineering A successful handyman will strive to have a vast array of tools, and know how and when to use each one. INA126 Instrumentation Amplifier; MPX2010 Pressure Sensor picture datasheet; 3ml Syringe. Input Stage Gain → 50 b. Abstract: This experiment shows one type of op-amps called the inverting amplifier, which amplify an input voltage signal and inverts its polarity. Op-Amp hardware laboratory using experiments, available components and instrumentation to verify lecture course material, Operational Calculations, measured experiments, and computer simulations using Pspice and Matlab are utilized. First build the 2-opamp input stage of the instrumentation amplifier. See our Privacy Policy and User Agreement for details. Open LabVIEW and open a new blank project. Experiment #3 Report: Operational Amplifiers, Instrumentation Lab. Experiment #4 Report: Op-Amps: Integrator, Differentiator, and Follower. Build and verify the operation of Wheatstone bridge for differential measurement. Amplifiers are an important part of modern instrumentation systems for measuring biopotentials. a. Save your results, they’ll be needed for the lab write up. Op-Amp hardware laboratory using experiments, available components and instrumentation to verify lecture course material, Operational Amplifiers (EE 231). Figure 3: Integrator Circuit set up 2- Use the values of: C = 10 nF , Ri = 10kΩ , Rf = 100 kΩ. The instrumentation amplifier is a high-gain high-input-impedance high-CMRR differential amplifier. In this lab we will experiment with differential amplifiers and use a so-called `instrumentation amplifier' to measure your heartbeat. 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