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Posts tagged sensor

Synonyms: sensors

Anything about sensors, a very broad class of devices whose purpose is to convert some physical quantity into an electrical one (e.g. voltage, current, resistance or capacitance).

A sensor can be used, together with a suitable interface circuit, to convert the physical quantity they are sensitive to into an electrical signal.

Common sensors include, for example, pressure sensors, temperature sensors, light sensors, acceleration sensors (accelerometers), speed sensors (tachometers), force sensors, and many others.

There are also sensors for electrical quantities that convert this latter in more convenient form, for example current sensors for converting a current into a voltage.

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Q&A IEPE Sensor Internal Circuit

Based on reading the All About Circuits article on IEPE sensors there are two general types of circuits integrated into this class of sensors: voltage amplifier and charge amplifier. This question...

0 answers  ·  posted 6mo ago by DavidE‭

Question Analog sensor
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Q&A Energy harvesting from non-invasive current sense transformer

I have a non-invasive current sense transformer (SCT-013-030) which according to its datasheet it is voltage output type. I want to harvest energy and supply a wireless sensor that consumes 5-6 uA...

1 answer  ·  posted 1y ago by DeadMouse‭  ·  last activity 1y ago by Andy aka‭

Question sensor energy-harvesting
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Q&A PCT2075 temperature sensor accuracy

I read datasheet for PCT2075 temperature sensor and there are some contradicting data about accuracy for me. Page 21: accuracy ±1°C (Tamb = -25°C to +100°C) accuracy ±2°C (Tamb = -55°C to +125°C...

1 answer  ·  posted 3y ago by Chupacabras‭  ·  last activity 3y ago by Olin Lathrop‭

Question sensor accuracy temperature
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Q&A What benefit has a differential amplifier when measuring a sensor signal?

What benefit has a differential amplifier when measuring the signal from a sensor that is remotely located such as in this example: - Why can't I use an arrangement like this: -

1 answer  ·  posted 4y ago by Andy aka‭  ·  last activity 4y ago by Andy aka‭

Question differential-amplifier sensor
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