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Troubleshooting amplifier amplifiers integrated circuit PCB printed circuit board application linear AMP offset output voltage datasheet verification failure analysis debugging debug

Troubleshooting Tips: Op Amps

The linear amplifier troubleshooting guide highlights various techniques to assist with application problem-solving, debugging and datasheet measurements on TI specific products. The hands-on courses aid in circuit analysis, isolate the root cause of an application non-conformance and provide detailed product level information to a TI representative. Industry experts present each topic in order to help reduce debugging time and move quickly through troubleshooting to production.

Electrical Fundamentals and Need for power systems protection

Welcome to the world of Power Systems. The first part of the session focuses on Introduction to Power Systems, Goal of Power systems protection, fundamentals of Electricity, AC or DC, Importance of electricity, Power system voltage levels and consumers of electricity. Need and Complexities in protection of power system primary Equipment like Generators, Motors, Transformers and Circuit Breakers and finally analysis of what can go wrong on a transmission line.

Introduction to Protection Relay and Power Systems Faults

Second part of the session explains use case for protection relay, the sequence of events during a fault, Fault Types and the approach for fault analysis. The Session also explains commonly used protection relays and application of different relays along the grid for protection of Generation, Transmission, Distribution and Industrial equipment, Evolution of protection relays from traditional mechanical, static and the current generation digital relays.

AC Analog Input Module Architecture (AIM)

The third part of the session provides details on the need to focus on AC analog input module and its use cases in different types of protection relays, Different types of current sensors and the use cases for these sensors including key advantages and dis-advantages. Explains AC analog input module architecture including block diagram showing the critical products and EERD with different subsystems identified showing different approaches for designing an AC AIM.

Selection of Key Components (ADC, Signal Conditioning Amplifier) for AC Analog Input Module (AIM)

Fourth part of the session explains representation of Voltage or Current waveforms in Time and frequency domain and also looks at the customer use case for application of Time or frequency domain Analysis. The session also explains different sampling approaches like Simultaneous sampling, Coherent sampling, Oversampling to improve system performance, criteria for ADC selection and choice between SAR and Delta-Sigma ADCs. There is a list of TI products that can be considered during the design of the AIM and finally provides overview for Focus ADCs for this session.

Design Details for TI design TIDA-00834 High Accuracy Analog Front End Using 16-Bit SAR ADC with ±10V Measurement Range Reference Design

Fifth part of the session will focus on providing detailed information on TIDA-00834 TI design.  The initial slides cover Design Overview, Features, Key Components, test Setup, market differentiators, Block Diagram with links to relevant TI Designs, EVMs and TI product used in this design. Circuit representation and detailed description for ADC interface, Voltage and Current measurement and Power supply are provided. Graphs for Voltage and Current measurement accuracy are shown; along with collaterals and TI design links that can be referred by customers during design.

instrumentation amplifiers

TI Precision Labs - Op Amps: Instrumentation Amplifiers

In this video series you will learn the basic fundamentals of instrumentation amplifiers, including what an instrumentation amplifier is and how to use one. These videos will also address the different categories / topologies of instrumentation amplifiers and discuss their benefits and trade-offs.

instrumentation amplifiers

TI Precision Labs - Instrumentation Amplifiers

The instrumentation amplifier video series curriculum covers the theory and operation of instrumentation amplifiers. These training videos highlight the importance of precision differential input amplification, common mode noise rejection and TI design tools and calculators to help you achieve first-pass design.

Cell Phone GSM Interference

Date:
October 31, 2014

Duration:
04:38
Texas Instruments and Johanson Dielectrics, Inc discuss how to filter GSM interference from your analog circuitry.

INA149—Highest Accuracy Diff Amp for High CMV Applications

Date:
November 2, 2014

Duration:
15:08
The INA149 is a precision unity-gain difference amplifier with the industry’s highest Common-Mode Rejection Ratio (CMRR) for high input common mode voltage (CMV
instrumentation amplifiers

TI Precision Labs - Introduction to instrumentation amplifiers

Date:
December 30, 2019

Duration:
06:53
What is an instrumentation amplifier?
instrumentation amplifiers

TI Precision Labs - When to use an instrumentation amplifier

Date:
January 7, 2020

Duration:
05:18
When to use an instrumentation amplifier
Troubleshooting amplifier amplifiers common mode rejection ratio CMRR VOS input offset integrated circuit PCB printed circuit board application linear AMP offset output voltage datasheet verification failure analysis debugging debug customer return

Troubleshooting Tips: Op Amps - Common Mode Rejection Ratio

Date:
May 30, 2019

Duration:
06:18
In this training we demonstrate how to verify the common mode rejection ratio (CMRR) of an amplifier using the TI product datasheet test conditions.
Troubleshooting Power supply rejection ratio amplifier amplifiers VOS input offset integrated circuit PCB printed circuit board application linear AMP offset output voltage datasheet verification failure analysis debugging debug FA customer return

Troubleshooting Tips: Op Amps - Power Supply Rejection Ratio

Date:
May 30, 2019

Duration:
04:30
In this training we demonstrate how to verify the power supply rejection ratio of an amplifier using the TI product datasheet test conditions.
TIPL 1901 Thumbnail

TI Precision Labs - Op Amps: Board Level Troubleshooting

Date:
November 26, 2018

Duration:
14:52
In this video we discuss a technique known as the A-B-A swap, as well as an introduction to PCB parasitics and the importance of PCB cleanliness.
op amp stability

TI Precision Labs - Op Amps: Stability - Measuring system stability

Date:
March 23, 2015

Duration:
07:48
In this video we explain how to perform indirect phase margin measurements in SPICE simulation and on the bench.
slew rate

TI Precision Labs - Op Amps: Slew Rate - Settling time

Date:
March 23, 2015

Duration:
13:51
In this video we discuss the body effect's impact on slew rate as well as settling time and the difference between large signal and small signal behavior.
op amp noise

TI Precision Labs - Op Amps: Noise - Simplifying calculations

Date:
March 23, 2015

Duration:
16:22
In this video we provide several rules of thumb for simplifying noise calculations by identifying the dominant sources.Learn more about the 
op amp noise

TI Precision Labs - Op Amps: Noise Spice Simulation

Date:
March 23, 2015

Duration:
10:52
In this video we show how to perform noise simulations using TINA-TI, a free SPICE simulator.
op amp noise

TI Precision Labs - Op Amps: Noise - Verifying the noise model

Date:
March 23, 2015

Duration:
07:52
In this video we show a comprehensive method for verifying simulation noise models and creating your own if necessary.
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