User richieqianle

12 votes

1 answer

4k views

CAN bus signal integrity

asked Jun 21, 2017 at 7:53

9 votes

3 answers

8k views

50MHz SPI PCB routing, use vias or resistors?

asked Jul 14, 2014 at 8:05

9 votes

4 answers

2k views

Is it possible to have a MCU work at -55 degree, with specification of -40 to 85 degree working environment?

asked Aug 7, 2015 at 14:04

7 votes

2 answers

2k views

How on earth shall I design the ground planes for mixed signal circuits, split or not?

asked Sep 24, 2015 at 14:45

7 votes

1 answer

501 views

Are these EMI noises?

asked Jan 2, 2016 at 15:16

6 votes

4 answers

6k views

ESD protection for OpAmp inputs and outputs

asked Nov 30, 2015 at 9:51

6 votes

8 answers

3k views

Why are there only PID controllers, no PIIIDDD (higher order) controllers?

asked Aug 14, 2015 at 10:58

6 votes

1 answer

911 views

How to choose PCB manufacturing technology/factory?

asked Jun 25, 2014 at 11:11

5 votes

1 answer

198 views

How power system is designed for extreme small system, such as google contact lens?

asked Jul 25, 2014 at 8:01

5 votes

2 answers

12k views

How to design a 4th/6th/8th passive low pass filter?

asked May 22, 2014 at 6:02

5 votes

4 answers

5k views

How to select gain for an amplifier before ADC?

asked Nov 28, 2014 at 5:31

5 votes

4 answers

2k views

For Multiple ADC circuits PCB layout grounding, why is "single point ground" important?

asked Oct 10, 2015 at 8:39

5 votes

1 answer

1k views

Power line protection: overvoltage, ESD, voltage polarity

asked Nov 7, 2015 at 10:15

5 votes

3 answers

6k views

How to protect Reset pin of MCU from ESD strikes?

asked Mar 4, 2016 at 15:36

5 votes

3 answers

2k views

How to build a large WIFI system inside a factory which supports thousands of devices? [closed]

asked Sep 7, 2016 at 9:24

4 votes

1 answer

2k views

Look up tables, Flash or SRAM?

asked Jun 10, 2014 at 7:56

4 votes

1 answer

378 views

Would low frequency signal (10kHz) have reflection on conducting wires as well?

asked Aug 21, 2015 at 13:45

4 votes

3 answers

3k views

loop area and EMI

asked Jul 9, 2014 at 4:41

3 votes

4 answers

2k views

How to select ADC resolution, considering input signal SNR and digital signal processing?

asked Aug 16, 2014 at 2:28

3 votes

2 answers

3k views

Tips on routing multiple powers(+5/-5/+15/-15/3.3 and etc. ) for a four-layer PCB

asked May 25, 2014 at 10:10

3 votes

1 answer

6k views

Clean DC power design for very high precision circuit

asked Mar 13, 2014 at 13:19

3 votes

1 answer

1k views

Is it possible to open two files simultaneously in Multisim?

asked Apr 5, 2014 at 3:21

3 votes

3 answers

13k views

Where are these 50Hz noises from?

asked Feb 1, 2016 at 14:03

2 votes

1 answer

243 views

Circuit reliability, especially tin solder, under wide temperature range -40 degree to +85 degree

asked Apr 10, 2016 at 12:24

2 votes

1 answer

1k views

The relation between light electric field and light power (optical modulation)

asked Dec 7, 2013 at 20:38

2 votes

2 answers

757 views

Is my understanding correct in selecting ADC resolution? (Noise analysis)

asked Sep 23, 2014 at 11:42

2 votes

2 answers

539 views

How should Ground vias be placed?

asked Jul 14, 2014 at 7:32

2 votes

3 answers

312 views

Is time-invariant system taking system initial state account?

asked Aug 26, 2015 at 3:00

2 votes

3 answers

190 views

How to design connectors when I do not know what the customers want?

asked Sep 17, 2015 at 16:00

1 vote

2 answers

1k views

What is the relation between delay of a digital FIR filter and step response of it?

asked Mar 25, 2015 at 14:45

Stack Exchange Network

53 Questions

CAN bus signal integrity

50MHz SPI PCB routing, use vias or resistors?

Is it possible to have a MCU work at -55 degree, with specification of -40 to 85 degree working environment?

How on earth shall I design the ground planes for mixed signal circuits, split or not?

Are these EMI noises?

ESD protection for OpAmp inputs and outputs

Why are there only PID controllers, no PIIIDDD (higher order) controllers?

How to choose PCB manufacturing technology/factory?

How power system is designed for extreme small system, such as google contact lens?

How to design a 4th/6th/8th passive low pass filter?

How to select gain for an amplifier before ADC?

For Multiple ADC circuits PCB layout grounding, why is "single point ground" important?

Power line protection: overvoltage, ESD, voltage polarity

How to protect Reset pin of MCU from ESD strikes?

How to build a large WIFI system inside a factory which supports thousands of devices? [closed]

Look up tables, Flash or SRAM?

Would low frequency signal (10kHz) have reflection on conducting wires as well?

loop area and EMI

How to select ADC resolution, considering input signal SNR and digital signal processing?

Tips on routing multiple powers(+5/-5/+15/-15/3.3 and etc. ) for a four-layer PCB

Clean DC power design for very high precision circuit

Is it possible to open two files simultaneously in Multisim?

Where are these 50Hz noises from?

Circuit reliability, especially tin solder, under wide temperature range -40 degree to +85 degree

The relation between light electric field and light power (optical modulation)

Is my understanding correct in selecting ADC resolution? (Noise analysis)

How should Ground vias be placed?

Is time-invariant system taking system initial state account?

How to design connectors when I do not know what the customers want?

What is the relation between delay of a digital FIR filter and step response of it?