Questions tagged [conditioning]

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21 questions
913 views

Microcontroller input conditioning

I have the following circuit to condition signals reaching my microcontroller's pins. This circuit reads both digital signals in the range 0 to 30V, and analog signals in the range 0 to 3.3V. ...
381 views

What is “conditioning of a capacitor”?

I got a flash for my DSLR camera: A mecablitz 52 AF-1 digital Canon with multi-language manual from here. In section 15.2 (page 187 for english), it states: 15....
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Signal conditioning for piezo shock-sensor digital input

I have a piezo element glued to a piece of material, and I want to get a digital signal (to drive an interrupt on an Arduino) when something strikes the material. So, there's a certain noise floor on ...
198 views

Why do designers use op-amps with fractional gains?

I often find designs like the following simulate this circuit – Schematic created using CircuitLab Where the gain is less than one ($\ R_2/R_1 < 1$) Why not simply use a resistive ...
679 views

Type J Thermocouple Signal Conditioning to 0-5V

I've been working with signal conditioning, thermocouple out specifically. I'm working with a span of 450 °C, that is, from -50 °C to 400 °C. For those values of temperatures I get, according to the ...
181 views

Read a common digital output from multiple digital inputs

I'd like to read a single digital output with two separate systems, each of which has a digital input. Both systems have a common ground. In principle, since the digital output is low-impedance and ...
103 views

How to condition a NTC of very low resistance?

I want to use a temperature sensor which changes its resistance. For 0 degrees celsius its resistance is 0.5325 ohms and for 40 degrees celsius it is 3.264 ohms. Obviously putting it in series with ...
2k views

Help for VR sensor signal conditioning (variable reluctance signal conditioning)

im trying create a CDI/TCI unit for my Suzuki Bandit GSF400. i need some help for VR sensor signal conditioning section. this is the disc that generate the pulse signal. i have found this image from ...
470 views

Amplify DC output from CT circuit

I am new to your forum although I often read it and find great help. I have a problem that I cannot resolve. I am using a 5A CT (1000:1) to measure 110VAC (50Hz) currents of 70 to 90mA which gives me ...
111 views

ADC Signal conditioning. Transform 1V-4V to a 0V-5V signal, how can I do it?

Hi im doing a project for college and I got some doubts about signal conditioning. Im using a SS49E, hall sensor and, from what I have seen in the data sheets, the analog output gives values between ...
424 views

How to limit the maximum output of ADC Signal Conditioning Circuit

So I have been designing an Op-Amp ADC signal conditioning circuit. I ended up with the following: So, for nearly all parts this is a completely working circuit including: 1) The Gain 2) Bandwidth (...
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Determining The Parameters Of A Wheatstone Bridge

Good day, I am trying to use a Wheatstone bridge to condition a thermistor. The arrangement i have is shown in below. I need the following specifications. 10V output max from the bridge at maximum ...
243 views

Signal conditioner for a piezoresistive pressure sensor

I have an instrumentation amplifier which output voltage equation is given.The piezoresistive pressure sensor in Figure E3.12 consists of a bridge of four silicon strain gages of 4000 ohm and 1 mV ...
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Arduino signal conditioning

I'm doing a project with an Arduino. I read a voltage from a tachometer connected to a generator. The nominal max output is 21V at 1000 rpm. The generator is managed so that the maximum tachometer ...
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I am designing a signal conditioning circuit which reads in data from 20 sensors and output it to the ADC of a microcontroller. My problem is I don't really understand how to connect these signals ...
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Op amp signal processing of an accelerometer output for an ADC

I have been designing a board which will monitor vibration activity of a machine using MEMS accelerometers. So far, I have connected the unadulterated signal from the accelerometer to the ADC however, ...
116 views

Conditioning input signal range for sensor

I have piezo sensor which outputs around 1mV of signal. I am using an already build analog front end to measure the signal, with Vcc = 5V and Vss = 0V. To measure the signal, the front end has ...
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How conventional DFE (Decision Feedback Equalizer) works?

There are a lot of variations of DFEs online. But I couldn't find a step by step explanation on how for example the 2-tap DFE works. Can you provide an explanation with a scheme ? I looked for some ...