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 IC's are built to accept the voltage directly com...

2 answers  ·  posted 2y ago by 2kind‭  ·  last activity 2y ago by Mu3‭

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 2y ago by 2kind‭  ·  last activity 2y ago by Olin Lathrop‭

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

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 10mo ago by 2kind‭  ·  last activity 10mo 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 11mo ago by 2kind‭

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 2y ago by 2kind‭  ·  last activity 2y ago by Olin Lathrop‭

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 12mo ago by 2kind‭

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 2mo ago by 2kind‭  ·  last activity 2mo ago by TonyStewart‭

In addition to Olin's answer: and I'm particularly interested in jfets and mosfets. If you decide to go down the FET route the dilemma between J and MOS gets down to home much you are willi...

posted 2y ago by 2kind‭

I am looking at the datasheet of the 7508170315(link) transformer and something seems strange to me. If I connect this to a 12V supply and expose it to 10us pulse: 12V*10us/475uH = 252mA which ...

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

Every time I needed CAN, I had just put external crystal and didn't think about it after that. It worked fine. I am wondering however whether the precisions of MCU internal oscillator is sufficien...

3 answers  ·  posted 2y ago by 2kind‭  ·  edited 2y ago by Lundin‭

Sensorless BLDC motor controller are becoming more and more popular, especially with rising of the drone industry. Being able to detect where the rotor is at 0rpm or no load seems intuitive if we ...

2 answers  ·  posted 2y ago by 2kind‭  ·  last activity 2y ago by KalleMP‭

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 1y ago by 2kind‭  ·  last activity 1y ago by DSI‭

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 12mo ago by 2kind‭  ·  last activity 12mo ago by Andy aka‭

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 11mo ago by 2kind‭  ·  last activity 11mo ago by Olin Lathrop‭