Howland Current Pump.pdf

snoa474a.pdf
Preview of Howland Current Pump
🔗 Source: ti.com
📊 Size: 165 KB
👤 Author: Texas Instruments, Incorporated [SNOA474,A ]
⬇️ Downloads: 291

Summary

The Howland Current Pump is a high-impedance current source that uses an operational amplifier to produce both positive and negative output currents. It has two basic circuits: the Basic Howland Current Pump and the "Improved" Howland Current Pump. The circuit is useful for testing devices, forcing currents into sensors, and biasing diodes or transistors. It was invented by Prof. Bradford Howland of MIT in 1962 and first published in 1964. The circuit's elegance arises from the equal strength feedback from the output to both the positive and negative inputs, allowing it to accept positive or negative inputs and produce true differential inputs.

Description

The Howland Current Pump is a high-impedance current source that uses an operational amplifier to produce both positive and negative output currents.

Technical Information

  • File Format: PDF
  • File Size: 165 KB
  • Pages: 17
  • Language: EN
  • Author: Texas Instruments, Incorporated [SNOA474,A ]
  • Total Downloads: 291
  • Last Updated: 3 days ago

Document Overview

This PDF document about Howland Current Pump provides comprehensive information and guidance. Whether you're a beginner or advanced user, this resource offers valuable insights into Howland Current Pump.

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