Questions tagged [conditioning]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
4
votes
4answers
1k 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. ...
3
votes
0answers
177 views

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 ...
2
votes
3answers
460 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 ...
2
votes
1answer
585 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....
1
vote
2answers
833 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 ...
1
vote
1answer
212 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 ...
1
vote
2answers
143 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 ...
1
vote
1answer
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 ...
1
vote
2answers
631 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 ...
0
votes
2answers
7k views

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 ...
0
votes
3answers
190 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 ...
0
votes
2answers
767 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 (...
0
votes
2answers
27 views

three points (two slopes) op amp conditioning circuit

I'd like to get the output on the right when applying the signal on the left to a signal conditioning circuit using op amps. I've got different slopes so I guess I need two amplifier circuits with ...
0
votes
2answers
66 views

Current transformer with additional multi-turn winding for test purposes

Some explanations for the circuit below: This is a CT with 1000 turns secondary. It has high sensitivity down to mA levels so that's why I put an amplifier given that the burden is small (35 ohms). ...
0
votes
1answer
313 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 ...
0
votes
2answers
2k views

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 ...
0
votes
1answer
45 views

Making sense of non ideal elements on signal conditioning circuit

So I was trying to solve a problem where I would get an input signal of 230V,16A@50Hz and the output had to be the same frequency but in the rage of 0V and 5V. Through the analysis of the circuit ...
0
votes
2answers
2k views

Connecting multiple signals to ADC

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 ...
0
votes
1answer
1k views

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, ...
0
votes
1answer
122 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 ...
0
votes
1answer
84 views

Confusion with output wiring and signal conditioning

I’m little confused about wiring and signal conditioning the following instrument: http://www.skypowerinternational.com/uploads/documents/4.3351.x0.140-161_WG-Geber-firstclass-advanced_analog_eng.pdf ...
0
votes
0answers
36 views

Long tailed pair not working to compare signals from 2 LDRs

I've been trying to compare my signals from 2 LDRs to feed into Arduino's ADC. However I can not get any gain from my differential amplification. The problem comes when I have high resistance from 1 ...
0
votes
0answers
50 views

Understanding Ac coupling in this circuit

I'm simulating the circuit below in LTspice and there's something I don't get regarding C3 and C4. Suppose the input signal is a 32 uArms 60Hz current as shown. This value multiplied by the burden ...
0
votes
0answers
45 views

Interfacing CT signal to Arduino

I want to interface the following CT to Arduino: So I have the following data: Primary Current: 600 Arms Secondary current: 5 Arms Burden: 2 VA Burden = 2 VA means that: Rmax = P/I^2 = 2/25 = 0.08 ...
0
votes
1answer
68 views

Optical displacement sensor noise and current to voltage conversion

I'm currently involved in a project with the aim of measuring the tremor of mice limbs (displacements of about 100 um). The sensor my group has chosen is TCRT5000 (Vishay), but we are facing several ...
0
votes
0answers
56 views

Alternatives to relay to conditioning a circuit

I got a "problem" and it is because of my lack of knowledge so I need your help. First, the current design is like the attached below this paragraph. The power comes from a car battery (24v or 12v), ...
0
votes
1answer
39 views

Current sensing using XADC

AC701 Schematics Refer page 40 of the schematics. Here for Vccint- the regulator is switching at 250 kHz. page 34 has the sensing signal conditioning for that the inst. amp used is INA333 which ...
0
votes
2answers
48 views

Ideas to smooth variable AC voltages/spikes reported to ADC circuit

I’m trying to integrate a 40+ year old ac motor and remote controller with a device using modern ADC controllers to remotely manage the motor turning process. The legacy gear is an old CDE Ham-M ...
0
votes
1answer
53 views

Two-wire switch sensor

I've been researching how to design a circuit for a two-wire switching sensor. It can be operated as a PNP or NPN switch. I need to design a circuit to detect whether the sensor is switched or not. ...
-1
votes
2answers
79 views

Any suggestions regarding this image i shared where a specific output voltage is required to specific input. No microcontroller should be used

Please see this image. As you can see from 0 to 999mV the output should be 0 to 100mV(this can be achieved easily) but when the input changes from 999 to 1000 and further the output should be from ...