User jsmith

9 votes

1 answer

16k views

How does Ethernet magnetics work?

asked Feb 14, 2017 at 0:33

8 votes

1 answer

1k views

Polarity of USB common mode choke

asked Nov 17, 2015 at 23:21

5 votes

1 answer

1k views

Why longer antenna coaxial cable has better efficiency?

asked Feb 26, 2016 at 19:58

4 votes

3 answers

3k views

Why are there two LTE antennas?

asked Feb 3, 2017 at 18:42

4 votes

1 answer

589 views

At what data rate should we consider PCB via back drilling? How about flex PCB?

asked Mar 3, 2022 at 18:53

3 votes

3 answers

341 views

Instability of op-amp in unity gain configuration

asked Oct 7, 2022 at 16:39

3 votes

1 answer

946 views

What breakdown voltage of TVS diode should I choose for circuits interfacing with vehicle 12V battery?

asked Nov 1, 2021 at 19:31

3 votes

4 answers

7k views

Should I tie Signal Gnd (pin 5) and Chassis Gnd (Pin 4) together on OBD-II port?

asked Jun 8, 2016 at 20:53

3 votes

2 answers

413 views

How can 50MHz noise impact WIFI sensitivity?

asked Jul 14, 2016 at 21:15

3 votes

1 answer

124 views

Return Current of a 200MHz signal sandwiched between GND and split power planes

asked Nov 23, 2016 at 22:07

2 votes

3 answers

1k views

Why does Lidar have GPS, serial, and PPS input?

asked Jul 6, 2018 at 1:56

2 votes

2 answers

3k views

Do I need to worry about VSWR when antenna efficiency already includes return loss?

asked Jul 12, 2016 at 19:25

1 vote

1 answer

66 views

Capacitor Derating vs Impedance Curve

asked Jan 30, 2016 at 1:00

1 vote

1 answer

337 views

How to validate 32k crystal for BLE?

asked Dec 1, 2016 at 23:24

1 vote

1 answer

274 views

Any reliability concern if I don't add UVLO protection circuit?

asked Jan 4, 2017 at 23:42

1 vote

1 answer

56 views

How to enable Altium Designer to check missing connection?

asked Sep 12, 2023 at 1:02

1 vote

1 answer

291 views

How to choose power rating of a damping resistor for an LC filter? [closed]

asked Oct 3, 2023 at 17:19

1 vote

1 answer

359 views

What are the concerns of vias-in-pad on flex PCB without filling?

asked Mar 15, 2022 at 17:06

1 vote

2 answers

310 views

LDO maximum output capacitance

asked Sep 20, 2022 at 18:27

0 votes

2 answers

2k views

discharge power rail with MOSFET

asked Nov 17, 2015 at 20:17

0 votes

2 answers

67 views

What's the relationship among speaker amp IC's supply voltage and gain?

asked Aug 9, 2023 at 18:57

0 votes

1 answer

403 views

Can I import dxf to create footprint in Altium?

asked Sep 1, 2023 at 17:29

0 votes

1 answer

331 views

How can I fix overlapping wires (dots on both sides of a component) on Altium SCH?

asked Sep 6, 2023 at 1:15

0 votes

2 answers

67 views

Balun converting 100ohm single-ended trace to 50ohm single ended for spectrum analyzer

asked Apr 2 at 17:58

0 votes

0 answers

56 views

Is plastic package for oscillator bad for EMC?

asked Sep 15, 2023 at 17:34

0 votes

1 answer

260 views

Ground loop current for voltmeter

asked Jan 27, 2017 at 2:03

0 votes

0 answers

38 views

How CAN eye mask is defined?

asked Jul 13, 2018 at 23:33

0 votes

3 answers

819 views

Is it true that single pole double throw solid state relay will not break before make?

asked May 3, 2021 at 17:27

0 votes

2 answers

811 views

Do I need to isolate the power to buzzer circuit from other sensitive circuit?

asked Feb 18, 2016 at 19:31

0 votes

2 answers

3k views

Why is the maximum BLE Tx power 4dBm?

asked Apr 7, 2016 at 20:54

Stack Exchange Network

32 Questions

How does Ethernet magnetics work?

Polarity of USB common mode choke

Why longer antenna coaxial cable has better efficiency?

Why are there two LTE antennas?

At what data rate should we consider PCB via back drilling? How about flex PCB?

Instability of op-amp in unity gain configuration

What breakdown voltage of TVS diode should I choose for circuits interfacing with vehicle 12V battery?

Should I tie Signal Gnd (pin 5) and Chassis Gnd (Pin 4) together on OBD-II port?

How can 50MHz noise impact WIFI sensitivity?

Return Current of a 200MHz signal sandwiched between GND and split power planes

Why does Lidar have GPS, serial, and PPS input?

Do I need to worry about VSWR when antenna efficiency already includes return loss?

Capacitor Derating vs Impedance Curve

How to validate 32k crystal for BLE?

Any reliability concern if I don't add UVLO protection circuit?

How to enable Altium Designer to check missing connection?

How to choose power rating of a damping resistor for an LC filter? [closed]

What are the concerns of vias-in-pad on flex PCB without filling?

LDO maximum output capacitance

discharge power rail with MOSFET

What's the relationship among speaker amp IC's supply voltage and gain?

Can I import dxf to create footprint in Altium?

How can I fix overlapping wires (dots on both sides of a component) on Altium SCH?

Balun converting 100ohm single-ended trace to 50ohm single ended for spectrum analyzer

Is plastic package for oscillator bad for EMC?

Ground loop current for voltmeter

How CAN eye mask is defined?

Is it true that single pole double throw solid state relay will not break before make?

Do I need to isolate the power to buzzer circuit from other sensitive circuit?

Why is the maximum BLE Tx power 4dBm?