Skip to main content
Application NoteAnalog

AN-299: Active Feedback Amplifier Applications

A technical guide for designing with the AD830 active feedback amplifier, focusing on video signal processing and high-speed differential signal handling.

View application note

Overview

This application note provides detailed circuit designs and implementation strategies for the AD830 Active Feedback Amplifier. It covers essential use cases such as high-speed differential line receivers, video line drivers, and precision signal summers. The document explains how the active feedback topology simplifies ground loop elimination and enhances common-mode rejection in demanding analog signal chains. It also discusses integration with high-speed operational amplifiers like the AD811, AD810, AD812, and AD813 for optimized performance in video and communications systems.

Use Cases

  • Video signal distribution
  • High-speed differential signaling
  • Instrumentation amplifier circuits
  • Precision signal summing
  • Ground loop mitigation in analog systems

Topics

AD830
Active Feedback Amplifier
Video Line Driver
Differential Line Receiver
Common-Mode Rejection
Analog Devices
Ground Loop Elimination
High-Speed Op-Amps

Referenced Parts

AD830

Analog Devices

The AD830 is a video-speed, active feedback amplifier that provides a much simpler solution

AD810

Analog Devices

Alternatively, high-performance op amps such as the AD811, AD810, AD812, and AD813 can be used

AD811

Analog Devices

Alternatively, high-performance op amps such as the AD811, AD810, AD812, and AD813 can be used

AD812

Analog Devices

Alternatively, high-performance op amps such as the AD811, AD810, AD812, and AD813 can be used

AD813

Analog Devices

Alternatively, high-performance op amps such as the AD811, AD810, AD812, and AD813 can be used