Questions tagged [conditioning]
The conditioning tag has no usage guidance.
30
questions
-1
votes
2answers
80 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 ...
0
votes
0answers
38 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
2answers
35 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
75 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
0answers
58 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
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
0answers
59 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
57 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
44 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 ...
3
votes
0answers
220 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
547 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 ...
1
vote
2answers
158 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 ...
0
votes
2answers
50 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
54 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.
...
0
votes
3answers
233 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
846 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 (...
1
vote
2answers
659 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
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, ...
2
votes
1answer
626 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....
4
votes
4answers
2k 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.
...
0
votes
1answer
340 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 ...
1
vote
2answers
869 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
224 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 ...
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
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
2answers
8k 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 ...
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 ...
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
...
