Can Thermistors Be Used as Compensating Devices in Temperature Control Circuits?

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Discussion Overview

The discussion revolves around the use of thermistors as compensating devices in temperature control circuits. Participants explore the concept of compensation in this context, particularly how thermistors can be utilized to address temperature-related changes in circuit properties.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant defines thermistors as temperature-sensitive resistors useful for precision temperature measurements and control.
  • Another participant suggests that compensation may involve adjusting resistance in response to temperature changes affecting circuit properties.
  • A request for a detailed explanation of the compensation mechanism is made by a participant seeking clarity.
  • It is noted that thermistors are often used in bridge circuits, where their stability and sensitivity are enhanced, and that small temperature changes affect their resistivity, which can be calibrated for measuring transduced energy.

Areas of Agreement / Disagreement

Participants express varying levels of understanding regarding the concept of compensation and the specific mechanisms by which thermistors function in this role. The discussion remains unresolved with multiple viewpoints presented.

Contextual Notes

There are limitations in the discussion regarding the specific definitions of compensation and the detailed mechanisms of thermistor operation in circuits, which remain unclear and not fully explored.

Reshma
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Thermistors---THERMally sensitive resISTOR are used to make temperature sensitive devices useful in temperature control circuits. This high sensitivity to temperature changes makes the thermistor extremely useful for precision temperature measurements, control and compensation.

My question is what is compensation? How are thermistors used as compensating devices?
 
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I suppose if some property of a circuit changes with temperature, and that change can be compensated for by a change in resistance, then that is the compensation they might be alluding to.
 
Thank you for replying, but can someone explain in detail how this works?
 
Thermistors are usually used in bridge ckts (Resistive) where the stability and sensivity of Thermistor is enhanced when present in the Bridge ckt.
Small changes in temperature correspondingly change the resistivity of the Thermistor and a device ( DRO or something ) is caliberated accordingly to measure the transduced energy.
 

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