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Questions tagged [signal-conversion]

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4 votes
2 answers
783 views

Convert 0-12V AC signal to 3.3V binary pulses

I want to digitize the signal from an analogue anemometer (windspeed meter), so I can log with a Raspberry Pi etc. The anemometer outputs an AC signal, where both the frequency and amplitude are a ...
Jake Reich's user avatar
0 votes
1 answer
132 views

How to linearize logarithmic DC signal?

I am modifying a cheap Chinese CNC mini-router controller to be able to control the spindle speed with a PWM signal. In theory the spindle controller board has all the electronics already on it to be ...
kbrown's user avatar
  • 101
0 votes
3 answers
123 views

DIN rail terminal block resistor

Is there a reliable solution for placing my own through hole resistor into a DIN rail mountable terminal block? Or is there any off the shelf solution the use a resistor to convert my 4-20mA current ...
Gurul_01's user avatar
0 votes
2 answers
251 views

Need clarification on pulling the OE pin high on TXB0104PWR level shifter

I am currently working on a project that involves using the TXB0104PWR level shifter for signal conversion. In the diagram provided, the OE pin of the level shifter is connected to a resistor going to ...
Ashton Scott's user avatar
3 votes
2 answers
765 views

Convert analog signal from 0..3.3 volts to -15..+15 volts

I have an ESP32 with a DAC pin that outputs a variable voltage between 0 and 3.3 V. I need to convert this signal to another voltage range: between -15 and +15 volts. This signal need to drive around ...
Damien's user avatar
  • 141
1 vote
1 answer
218 views

Confused about the sampling rate of AD7606-4 (analog to digital converter)

I'm using an AD7606-4 which is connected to an STM32 EVB. The connection is in the serial configuration and samples only 4 channels (DOUTA only). The sampling rate in the datasheet is 200 ksps, but I ...
Knowledge's user avatar
  • 441
3 votes
3 answers
434 views

Interfacing a unipolar 0-5 V output with a bipolar +/- 0.1 V DAQ system using a differential amplifier and voltage divider

I need to connect a sensor system that outputs 0–5 VDC to a data-acquisition system (DAQ) that accepts inputs of ±0.1 VDC (it is designed for a different type of sensor, but I need to repurpose it in ...
Cody Gray - on strike's user avatar
2 votes
2 answers
189 views

Which of these two equations for DNL is correct?

TI's slide deck on ADC DC specifications (https://training.ti.com/ti-precision-labs-adcs-dc-spec) disagrees with Maxim's app note on INL/DNL (https://www.maximintegrated.com/en/design/technical-...
DavidG25's user avatar
  • 1,360
0 votes
2 answers
279 views

Convert HTL to RS-422

I have to convert a 0-24V (HTL) signal to a RS-422 signal. (It's a signal to enable data acquisition on a device that requires RS-422). We found a device from Motrona (PU210) that converts our HSL ...
Simon's user avatar
  • 103
2 votes
2 answers
771 views

Logic level converter from 29V to 5V schematic

Does it looks a good schematic to do a proper 29 V to 5 V logic level conversion, any improvements or suggestions?
Vaikis2006's user avatar
0 votes
0 answers
325 views

One Differential end into Single Ended Input

I am trying to test a LvPECL signal into a LVDS receiver (NI 6583). Unfortunately, I currently only have the single-ended segment/connector. Looking at the spec, the single ended receiver should still ...
bchang32's user avatar
  • 111
1 vote
1 answer
500 views

Bidirectional Hall current sensor signal conditioning (shift and scale sensor output voltage)

I am using a Hall current sensor in circuitry where I need to implement signal conditioning in order to improve accuracy of measurement. The Hall sensor outputs 1 volt when measuring maximum current ...
The Arduino Guy's user avatar
2 votes
1 answer
312 views

Converting 5V Square-Wave to +-5V Square-Wave

I am a student electronic engineer and was hoping to get some guidance on a project that I am working on. I am using the AD9850 module to output a 5V square-wave at 1.1MHz as can be seen in the figure ...
Kev342's user avatar
  • 21
0 votes
2 answers
630 views

Minimum voltage reference for ADC

I am looking to measure very low voltage signal (0-0.5V range) and was wondering if it is possible without amplification. I am a bit confused about what the minimum references of ADC can be. Looking ...
needbrainscratched's user avatar
0 votes
4 answers
793 views

How to convert 0-3.3V DC into +/-5V? [closed]

The 3.3V DC is output from a MCU, how I can convert to a +/-5V signal?
Eric Leezen's user avatar
-1 votes
1 answer
91 views

Convert 24 V signal to 5 V with galvanic isolation

I need to make an acquisition card signal (24 V) conversion to TTL signals (5 V) usable by intelligent cards with galvanic isolation.
Oussama Tazi's user avatar
0 votes
2 answers
465 views

Bi-Directional RS-232 / RS-485 translator using MAX3162 IC [closed]

I'm trying to communicate with an I2C bus using the Serial Card in my PC (NI PCI485/8). I've created a circuit using the MAX3162 to translate from RS485 to RS232. Then I use the MAX3232 as a level ...
saregister's user avatar
0 votes
1 answer
354 views

can I hard wire the output power of a eu solar inverter to a us breaker panel/

I have a hybrid solar Easun inverter/charger rated power 3000va/2400w 230vac 50/60hz self sensing. The unit is set up with single EU 230v self sensing 50/60hz input to charge battery and the output is ...
novice 1's user avatar
1 vote
0 answers
40 views

Send a 60Hz trig signal over a 9m cable

I want to send a trig signal over a 9m cable, the signal is around 60Hz (each 15ms it sends a 1ms pulse). In order to avoid electrical interference I convert the 3.3V original signal with the ...
Pedro NF's user avatar
  • 265
0 votes
1 answer
513 views

Interface 24V signal from one device to 3.3V signal on another device

I have a device A that sends a signal through an optocoupler, this signal travels through a 7m cable and is used by another device B that has a SN74LVC1G17SingleSchmitt-TriggerBuffer powered by 3.3V, ...
Pedro NF's user avatar
  • 265