2kind‭

Usual values used in doing electronics/power supplies are almost always round numbers: 5V 12V 28V 48V 60V I understand that in some cases ICs are built to accept the voltage directly comi...

4 answers  ·  posted 4y ago by 2kind‭  ·  last activity 1y ago by TonyStewart‭

Although I have done multiple PCB designs which passed FCC and CE equivalents using the MCU's/Multiple MCU's, I have a doubt about how to approach the high speed design using FPGA SoC - main thing ...

1 answer  ·  posted 4y ago by 2kind‭  ·  last activity 4y ago by Olin Lathrop‭

Signal characteristics are: 0 to 3.3V span 0 to 100Hz range( there will be noise superposed on top with unknown characteristics) Output resistance Rout=4700 ohm I want to sample that with a...

2 answers  ·  posted 2y ago by 2kind‭  ·  edited 1y ago by Lorenzo Donati‭

I will try to cover additional aspects. Not eager on making changes - Big organizations are usually non very prone on changing their horse for the battle - sticking to their EDA choice from 20+ ye...

posted 3y ago by 2kind‭

One of the ceramic capacitors that I've found(link to the capacitor) specifies the following characteristics at 10 kHz: The difference in value is quite significant, almost 100 fold. Which grap...

3 answers  ·  posted 3y ago by 2kind‭  ·  last activity 3y ago by TonyStewart‭

You have a 6 layer design for controlling 24V brushed DC motor, galvanically isolated voltage rails(24V and the rest) and your question is how to separate them properly. There is no further reason...

posted 3y ago by 2kind‭

In a general sinewave as below, is there a "right" way/"standardized" way to measure line frequency - and how do energy meters calculate that? measuring pulse width of half-period, ie. time elap...

3 answers  ·  posted 8mo ago by 2kind‭  ·  last activity 7mo ago by Pete W‭

A circuit under question: Why are CY capacitors on the source side, and not on the load side? Henry Ott describes this with: Because filter attenuation is a function of impedance mismatch, t...

3 answers  ·  posted 8mo ago by 2kind‭  ·  edited 7mo ago by Nick Alexeev‭

I am trying to build an active-low digital isolated switch capable of withstanding 32VDC voltage without creating any damage to the system. This is the snapshot of the circuit not fulfilling the r...

3 answers  ·  posted 4y ago by 2kind‭  ·  last activity 4y ago by Olin Lathrop‭

This question is asked in an addition to https://electrical.codidact.com/posts/276436 Here is a Flyback converter mentioned there: Design parameters are: Input voltage 125 volts Output volt...

2 answers  ·  posted 3y ago by 2kind‭  ·  edited 1y ago by Lorenzo Donati‭

Reading a Tesla Wall Adapter installation manual , their brand of an AC EV charger, chapter about “Ground Assurance” and here is the quote from there: Although the equipment can work with L1 and...

2 answers  ·  posted 5mo ago by 2kind‭  ·  last activity 5mo ago by TonyStewart‭

There are various different methods to keep common mode currents off the cables, one of them being discussed on the site here and with Olin's decoupling caps post on StackExchange. Slight digressio...

1 answer  ·  posted 2y ago by 2kind‭  ·  last activity 2y ago by TonyStewart‭

I have a battery pack that consists of 18650 battery cells(14 cells in series max.). Hence, the voltage of the battery pack will be between 35V and 60V(to be on the safe side) I am designing a BMS...

2 answers  ·  posted 3y ago by 2kind‭  ·  edited 1y ago by Lorenzo Donati‭

I was looking at the video of the Tesla Model 3 motor controller(400VDC, 500A) disassembly and noticed a resistor network as in the picture below. They are 2k resistors(SMD code 202). See the pic...

4 answers  ·  posted 3y ago by 2kind‭  ·  last activity 3y ago by DSI‭

Which important system design parameters need to be locked in order to estimate the maximum allowable level of the input voltage ripple of an SMPS? I have encountered ballpark figures of <1%, &...

1 answer  ·  posted 3y ago by 2kind‭  ·  last activity 3y ago by Olin Lathrop‭