1. V

    facing dificulty for choosing the ic pinouts.

    hello guys, I think I might be asking a very basic question but by seeing the SMD Ic which I have got are having a dual notch and I am a bit confused with choosing it. can someone suggest to me the proper side of the notch? and which pin is to be considered as the 1 or Start? presently I am...
  2. D

    Enable DCDC with PowerGood

    Hi!! I'm working with a BuckRegulatro from Vicor, PI3423-00-LGIZ . And I want to use the PowerGood signal to disable another DCDC ( with an ON(3.3V) or OFF(GND) signal). The question is that the PowerGood of the PI3423 is HighImpedance (operating and no stable) or Voltage output (when the...
  3. DZ92

    Impact force measuring sensor

    Hi all! I dont know much about sensors or hardware in general (Im a computer science student) so I would really appreciate some help here :) I am looking for a flexible impact force sensor (for measuring a punch) , it needs to be around 10X10 cm and I want to connect it to Arduino or raspberry...
  4. H

    Non Inverting Summing Amplifier Design

    Dear Team, I need to design a summing amplifier with 2 inputs. My input one is a DC voltage source of value 1.6V and the second one is a square wave whose amplitude is 5V and max frequency is 1Mhz. The requirement is when the square wave is LOW(0V) the summer output should be 1.6V and when...
  5. H

    ADC throughput calculation

    Dear Team, I was studying about adc basics from this document(ADC BASICS) .I have a question regarding the throughput calculation.The document says "Consider the case of single ended conversion where one conversion takes 13 ADC clock cycles.Assuming the ADC clock frequency to be 1MHz, then...
  6. H

    PCB return currents at low frequency and High Frequency

    Dear Team, I am new to pcb design.I the PCB learning material I found that for Low Frequency Return Currents Take Path of Least Resistance and High Frequency Return Currents Take Path of Least Inductance --Could you please tell me why and how it is happening , Regards HARI
  7. H

    LM7171 Non Inverting Amp Output Glitching

    Dear Team, I am designing a clock distribution network using LM7171. This opamp is used in the non-inverting configuration with a gain of 2. My input clock frequency is 2.4Mhz, Amplitude is 3.6V.I can see glitching at the output. May I know where I went wrong?Please find the circuit diagram...
  8. T

    High precision 1mAmp current source

    Hello, I am looking for a 1 mAmp DC current source circuit design with 0.02% precision to be used in a 5V power supply circuit board and a 3KOhms load. Any suggestion/direction would be helpfull. Thank you all.
  9. T

    Diode usage in SPI modules

    Hi All, Hoping that someone can put me out of my misery. I have been searching the internet for the past 5days for an answer to this question and feel like I am starting to lose my mind. Can anyone explain why the attached schematic has a 1N4148 on each of the SDI_5V, SCLK_5V and CS_5V lines...
  10. J

    Type of this electronic Object / device

    Hi guys, Im fixing my communication board called : CENTRAL LIGHTSYS RP432M00000E and I found this device (see in the photo) is unattached /disconnected .. what type of this device? it sounds like capacitor but there's no symbol for if it's capacitor or whatever .. (there's nothing written on...
  11. OriyaEliav

    Magnetic Resonant Wireless kit

    Hello I'm looking for a Magnetic Resonant Wireless Evaluation kit ( with Transmitter and Receiver boards or chips) I can't find it on the Internet and I want to buy it. The distance between the Transmitter to the Receiver has to be at least 5 cm. Best regards, Oriya
  12. K

    N-MOS voltage drop at DS

    Hi, Just want to ask is it normal to have a high voltage drop across drain and source of the n-mos? The VBAT node is at 3.6V while the VDD_MAIN node is at 2.7V. Gate voltage is at 3.37V.
  13. E

    How does the NCP81080 gate driver work?

    How does the NCP81080 dual gate driver work? Now I’ve a circuit need used this components but I couldn’t understand it’s operation principal, Here is datasheet https://www.onsemi.cn/PowerSolutions/document/NCP81080-D.PDF It’s means I need two signal HI and LI input So if I generate square...
  14. R

    Fan Regulator Feedback Generator

    Hello Everyone, I need help in to generate feedback for fan regulator to the controller. 1. AC Fan require 1 phase Ac supply (230VAC/50Hz) 2. Controller require DC voltage in range of 0 to 3V3 3. System is able to support all type regulator, there different type's...
  15. H

    How to grow in your hardware design career

    Dear Team, I am a Hardware Design Engineer, mainly working in Analog Circuits and Power Electronics. I don't have any coding experience,I have worked on Digital Hardware design to some extend. It's almost 10 years now. To grow in my career what and all skill set I need to acquire. Thanks &...
  16. A

    Unknown IC !!!

    hello i have a wifi camera from a quadqopter and i used a battery to turn on.I connected the poles incorrectly .and I smelled burning, i open it and i saw a ic is burned i searched the name of ic but i cant find the data sheet.it is written on it: FA2UMK .it has 5-pin and it is smd.please help...
  17. S

    4-20mA Analog sensor to 0-3.3V Digital conversion

    I have a question about signal conversion since I am pretty new to this. I want to translate a 4-20mA signal into a 0-3.3V digital signal. I have done a lot of research and came up with a circuit, but i am unsure if this is possible / correct. My idea was to use a Transimpedance amplifier to...
  18. Lambo Av

    L293N enquiries for Robots with PIC microcontroller

    Hi, all. I have downloaded an L293N motor driver for my Proteus 8 Professional from the following website. https://www.theengineeringprojects.com/2017/09/l298-motor-driver-library-proteus.html Based on the video link in the website (or you can click here: ), it says that the 2 pins (unknown to...