Tuesday, July 26, 2022

Introduction to Flyback Converters

Introduction to Flyback Converters

  • Transformers
  • Magnetizing inductance
  • Operation
  • Input output voltage equation
  • Coupled-inductor converters




Tuesday, June 7, 2022

Operational Amplifier Applications and Basics

Operational Amplifier Applications and Basics

  • Ideal operational amplifier
    • negative feedback
  • Applications
    • Inverting amplifier
    • Non-inverting amplifier
    • Differential amplifier
    • Voltage follower
    • Voltage adder
    • Instrument amplifier
    • Ramp generator
    • Integrator
    • Differentiator
  • Real operational amplifier
  • Basics
    • components in an operational amplifier 
    • open loop gain
    • gain bandwidth
    • frequency response
    • saturation
    • positive feedback
    • comparator
    • Schmitt trigger
    • relaxation oscillator
    • slew rate





Tuesday, May 17, 2022

BlueNRG GATT Database

GATT database in ST BlueNRG SoCs




Monday, May 16, 2022

Introduction to BLE Service Discovery and GATT protocol

Introduction to BLE Generic Attribute (GATT) protocol by real examples, including service discovery, read/write descriptors and so on.

Agenda:

  1. BLE protocol stack
    1. Generic Attribute (GATT) Profiles
    2. Attribute (ATT) protocol operations
  2. Protocol examples
    1. Discover all primary services
    2. Find included services
    3. Discover all characteristics of a service
    4. Discover all characteristics descriptors
    5. Write characteristics descriptor
    6. Write without response
    7. Notification
    8. Read characteristics value







Bluetooth Low Energy (BLE) Mesh Packet Format is the second part for Bluetooth Low Energy Packet Format, specified for Bluetooth SIG Mesh standard.