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44 Results

ADC DC Specifications – INL, DNL, Cin, Leakage, Vref

Date:
April 14, 2017

Duration:
14:23
This video highlights the key DC specifications of analog-to-digital converters (ADCs).

Anti-tamper Techniques to Thwart Attacks on Smart Meters— Hardening a meter against magnetic tamper attacks: Cap-Drop Based High-Side Power Supplies

Date:
April 12, 2017

Duration:
05:35
This module covers the advantages and disadvantages of using a cap drop power supply to power the high-side of the AMC1304

Anti-tamper Techniques to Thwart Attacks on Smart Meters— Hardening a meter against magnetic tamper attacks: Isolated Shunt Sensing Building Blocks

Date:
April 12, 2017

Duration:
06:00
This module explains different measurement building blocks that could be used to implement isolated shunt current sensors for poly-phase systems.

Anti-tamper Techniques to Thwart Attacks on Smart Meters— Hardening a meter against magnetic tamper attacks: Transformer Based High-Side Power Supplies

Date:
April 12, 2017

Duration:
03:12
This module covers the advantages and disadvantages of using a transformer-based power supply to power the high-side of the AMC1304

Anti-tamper Techniques to Thwart Attacks on Smart Meters— Summary

Date:
April 12, 2017

Duration:
01:00
In this short module, a summary of the entire “Anti-tamper Techniques to Thwart Attacks on Smart Meters” training series will be covered.

Building the SAR ADC Model

Date:
April 14, 2017

Duration:
12:17
This video walks through the process of creating a TINA Spice Model for a SAR ADC.

Calculating the Total Noise for ADC Systems

Date:
April 14, 2017

Duration:
10:11
This video walks through how to predict the overall system noise for an ADC, amplifier, and reference.
Coherent Sampling

Coherent Sampling and Filtering to Improve SNR and THD

Date:
April 14, 2017

Duration:
06:59
This video introduces the concept of coherent sampling and filtering for accurate characterization.

Detecting magnetic tampering using hall-effect sensors

For anti-tampering, it is common to try to detect the presence of a strong magnet. In this section, we will cover the use of hall sensors for low-power detection of strong magnetic fields in three dimensions.  Details on our magnetic tamper detection reference design, TIDA-00839, will be provided as well as some of the design considerations that were kept in mind when creating this reference design.  

ADC drive topologies: using an INA

Determining a SAR ADC’s Linear Range when using Instrumentation Amplifiers

Date:
April 14, 2017

Duration:
09:17
This video shows how to design a front-end instrumentation amplifier drive circuit for linear operation.

Determining a SAR ADC’s Linear Range when using Operational Amplifiers

Date:
April 14, 2017

Duration:
17:19
This video shows how to design the front-end op-amp drive circuit for linear operation.

Driving a SAR ADC with a Fully Differential Amplifier

Date:
April 14, 2017

Duration:
13:38
This video explains how to design ADC drive circuits using fully differential amplifiers, or FDAs.  

Dual active bridge DC:DC power stage for a level 3 (fast) EV charging station (pile)

Date:
June 27, 2019

Duration:
01:04:25
Bi-directional, dual active bridge reference design for level 3 electric vehicle charging stations.
Fast Fourier Transforms (FFT)

Fast Fourier Transforms (FFTs) and Windowing

Date:
April 14, 2017

Duration:
10:46
This video introduces the FFT as well as the concept of windowing to minimize error sources.

Hands-on Experiment – ADC Noise

Date:
January 19, 2018

Duration:
16:35
This hands-on experiment shows how the front-end driver is impacted by resistor thermal noise.

Hands-on Experiment – Aliasing and Anti-Aliasing Filters

Date:
March 6, 2018

Duration:
24:55
This hands-on experiment demonstrates aliasing and the effect of anti-aliasing filters.

Hands-on Experiment – Amplifier Settling and Charge Bucket Filter Design

Date:
March 16, 2018

Duration:
22:03
This hands-on experiment shows how to simulate ADC settling time and then measure the impact different amplifiers and charge buckets have on THD and SNR.

Hands-on Experiment – Crossover Distortion on ADC Drive

Date:
January 19, 2018

Duration:
11:37
This hands-on experiment shows how the front-end driver impacts SAR ADC performance.

Hands-on Experiment – System Power Scaling

Date:
April 9, 2018

Duration:
13:54
This hands-on experiment shows the impact that ADC sampling rate has on the system power consumption.

Hardening a meter against magnetic tamper attacks

In this section, we will cover how to harden a meter against these magnetic tamper attacks by using shunts for current sensors. For poly-phase implementations, I will go over how to use isolated delta sigma modulators to add the necessary isolation to use shunt current sensors and create magnetically immune poly-phase energy measurement systems. The TIDA-00601 and TIDA-01094 reference designs, which show how to implement a poly-phase isolated shunt measurement system, will be discussed as well as the associated AMC1304 high-side power supplies used in these designs.

44 Results
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