Electronic circuit PWM Analog Output

Imebatilisha Ilichapishwa Miaka 5 iliyopita Kulipwa wakati wa kujifungua
Imebatilisha Kulipwa wakati wa kujifungua

I used the below circuit to generate high current analog output (0-10V) from PWM input by changing the duty cycle of the PWM. It works well when I use 5V PWM that comes from Atmega8 microcontroller.

See Drawing One

However, using the same circuit with 3.3V PWM that comes from ESP8266, it does NOT work. It gives only 2V output.

See Drawing Two

Could you please make similar board in your bench and let me know how to solve it

Ubunifu wa Circuit Uhandisi wa Umeme Elektroniki Uhandisi Microcontroller

Kitambulisho cha Mradi: #17227512

Kuhusu mradi

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21 wafanyakazi huru wanazabuni wastani wa $24 kwa kazi hii

urbito

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inspiredwhiz

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pllanos4

This is a current buffer circuit, if you decrease the input voltage, you will need to adjust the gain. Moreover, if you have 2V on Vout, it's mean that PWM frequency is much higher than RC Low pass filter frequency cut Zaidi

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nabeelraza1993

Hello. I can help you in solving this circuit problem. Please let me know the amount of time available so that I can do it that way please ?

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amrmabdelrahman

Hello my friend from your description i understand that you need to have high Current PWM Unfortunately this approach is the wrongest ever for the following reasons 1- You can't use N-ch or NPN as a switch with Zaidi

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Mechatronics2

hi have you checked the IC supply voltage? it may be not enough for the lm358, anyway, message me and i design for you easily waiting to hear from you , regards from egypt

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nico2747

Hi. I am an electrical engineer with experience in the design and implementation of circuits in PCB, making circuits of power electronics, control electronics and intelligent systems using WiFi modules (ESP8266), micro Zaidi

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Sir,I have read your requirements and would like to inform you that i can easily handle this task please ping me to start a discussion about this with our team

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samiahmetjunaid

solution is very easy and simple. I can solve it perfectly right now. I will take 50 only. Thanks. Sam.

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muneeb128

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Amitech125

Hi, good day I have experience building different classes of amplifiers and your signal is is having power losses which increases is pull voltage and a stable voltage of a low output. I can give you the correct circui Zaidi

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Eduard29

I already studied your circuit and can send you the revision as soon as you picked my bid.

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Get1Assistance

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An undergraduate in the field of power electronics having dealt extensively with pulse width modulators ,i can simulate using proteus the project

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I am Electrical and electronic engineer have a big experience in making circuits and projects like Oscilloscope Circuit , PWM motor speed control circuit ..and more Relevant Skills and Experience PCBs - Motor control Zaidi

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